FZPN25 KWBC 222139
OFFPZ5

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
239 PM PDT Fri Aug 22 2025

Washington and Oregon waters-
Inner waters from  60 nm to 150 nm offshore.
Outer waters from 150 nm to 250 nm offshore.

Seas given as significant wave height, which is the average
height of the highest 1/3 of the waves. Individual waves may be
more than twice the significant wave height.

PZZ898-231130-
239 PM PDT Fri Aug 22 2025

.SYNOPSIS FOR WASHINGTON AND OREGON WATERS...A high pressure
ridge will persist along or just W of the outer waters through 
through Tue while a coastal trough persists along Washington and 
Oregon. Later on Tue night through Wed night weak low pressure 
will approach with a cold front moving E into the waters Wed 
night.



$$

PZZ800-231130-
Cape Flattery to Cape Shoalwater between 60 NM and 150 NM
offshore-
239 PM PDT Fri Aug 22 2025

.TONIGHT...N to NW winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT...NW winds 10 to 20 kt. Seas 5 to 6 ft. 
.SAT NIGHT...NW winds 15 to 25 kt. Seas 5 to 8 ft. 
.SUN...NW winds 15 to 25 kt. Seas 6 to 8 ft. 
.SUN NIGHT...NW winds 15 to 25 kt. Seas 6 to 9 ft. 
.MON...NW winds 15 to 25 kt. Seas 7 to 9 ft. 
.MON NIGHT...NW winds 15 to 25 kt. Seas 7 to 9 ft. 
.TUE...NW winds 15 to 20 kt. Seas 6 to 8 ft. 
.TUE NIGHT...NW winds 15 to 20 kt. Seas 6 to 7 ft. 
.WED...NW winds 15 to 25 kt, diminishing to 5 to 15 kt. Seas
4 to 6 ft. 
.WED NIGHT...NW winds 5 to 15 kt, becoming W to NW. Seas 3 to
5 ft. 

$$

PZZ900-231130-
Cape Flattery to Cape Shoalwater between 150 NM and 250 NM
offshore-
239 PM PDT Fri Aug 22 2025

.TONIGHT...N to NW winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT...N to NW winds 10 to 20 kt. Seas 3 to 6 ft. 
.SAT NIGHT...N to NW winds 15 to 25 kt. Seas 4 to 8 ft. 
.SUN...NW winds 15 to 25 kt. Seas 4 to 8 ft. 
.SUN NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft. 
.MON...N to NW winds 15 to 25 kt. Seas 6 to 9 ft. 
.MON NIGHT...N to NW winds 15 to 25 kt. Seas 6 to 9 ft. 
.TUE...NW winds 15 to 20 kt. Seas 5 to 8 ft. 
.TUE NIGHT...NW winds 10 to 20 kt. Seas 4 to 7 ft. 
.WED...NW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas
3 to 6 ft. 
.WED NIGHT...N to NW winds less than 10 kt. Seas 3 to 4 ft. 

$$

PZZ805-231130-
Cape Shoalwater to Cape Lookout between 60 NM and 150 NM
offshore-
239 PM PDT Fri Aug 22 2025

.TONIGHT...N winds 15 to 20 kt. Seas 5 to 7 ft. 
.SAT...N to NW winds 15 to 20 kt. Seas 5 to 7 ft. 
.SAT NIGHT...NW winds 15 to 20 kt. Seas 5 to 7 ft. 
.SUN...NW winds 15 to 25 kt. Seas 6 to 8 ft. 
.SUN NIGHT...NW winds 15 to 25 kt. Seas 6 to 8 ft. 
.MON...N to NW winds 15 to 20 kt. Seas 7 to 8 ft. 
.MON NIGHT...N to NW winds 15 to 25 kt. Seas 7 to 8 ft. 
.TUE...N to NW winds 15 to 20 kt. Seas 7 to 9 ft. 
.TUE NIGHT...N to NW winds 15 to 20 kt. Seas 6 to 8 ft. 
.WED...N to NW winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 5 to 6 ft. 
.WED NIGHT...N to NW winds less than 10 kt, becoming variable.
Seas 3 to 5 ft. 

$$

PZZ905-231130-
Cape Shoalwater to Cape Lookout between 150 NM and 250 NM
offshore-
239 PM PDT Fri Aug 22 2025

.TONIGHT...N winds 10 to 20 kt. Seas 4 to 7 ft. 
.SAT...N winds 10 to 20 kt. Seas 4 to 7 ft. 
.SAT NIGHT...N winds 15 to 25 kt. Seas 4 to 7 ft. 
.SUN...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. 
.SUN NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. 
.MON...N to NW winds 15 to 25 kt. Seas 6 to 8 ft. 
.MON NIGHT...N to NW winds 15 to 25 kt. Seas 6 to 8 ft. 
.TUE...N to NW winds 15 to 20 kt. Seas 6 to 9 ft. 
.TUE NIGHT...NW winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 4 to 7 ft. 
.WED...NW winds 5 to 15 kt, becoming N to NW. Seas 4 to 6 ft. 
.WED NIGHT...N to NW winds less than 10 kt, becoming variable.
Seas 3 to 4 ft. 

$$

PZZ810-231130-
Cape Lookout to Florence, OR between 60 NM and 150 NM offshore-
239 PM PDT Fri Aug 22 2025

.TONIGHT...N winds 15 to 20 kt. Seas 6 to 7 ft. 
.SAT...N winds 15 to 20 kt. Seas 6 to 7 ft. 
.SAT NIGHT...N winds 15 to 20 kt. Seas 6 to 7 ft. 
.SUN...N winds 15 to 20 kt. Seas 6 to 8 ft. 
.SUN NIGHT...N winds 15 to 20 kt. Seas 6 to 8 ft. 
.MON...N winds 15 to 20 kt. Seas 7 to 8 ft. 
.MON NIGHT...N winds 15 to 25 kt. Seas 7 to 9 ft. 
.TUE...N winds 15 to 25 kt. Seas 7 to 9 ft. 
.TUE NIGHT...N winds 15 to 20 kt. Seas 6 to 8 ft. 
.WED...N winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 5 to
6 ft. 
.WED NIGHT...NW winds less than 10 kt, becoming W to SW. Seas
4 to 5 ft. 

$$

PZZ910-231130-
Cape Lookout to Florence, OR between 150 NM and 250 NM offshore-
239 PM PDT Fri Aug 22 2025

.TONIGHT...N winds 10 to 20 kt. Seas 4 to 7 ft. 
.SAT...N winds 15 to 20 kt. Seas 4 to 7 ft. 
.SAT NIGHT...N winds 15 to 20 kt. Seas 5 to 8 ft. 
.SUN...N winds 15 to 20 kt. Seas 6 to 8 ft. 
.SUN NIGHT...N winds 15 to 25 kt. Seas 6 to 8 ft. 
.MON...N winds 15 to 25 kt. Seas 6 to 8 ft. 
.MON NIGHT...N winds 20 to 25 kt. Seas 7 to 9 ft. 
.TUE...N winds 15 to 25 kt. Seas 6 to 9 ft. 
.TUE NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED...N winds 5 to 15 kt, becoming N to NW. Seas 4 to 6 ft. 
.WED NIGHT...Variable winds less than 10 kt, becoming S. Seas
4 to 5 ft. 

$$

PZZ815-231130-
Florence, OR to Point St. George between 60 NM and 150 NM
offshore-
239 PM PDT Fri Aug 22 2025

.TONIGHT...N winds 15 to 20 kt. Seas 7 to 8 ft. 
.SAT...N winds 15 to 20 kt. Seas 6 to 8 ft. 
.SAT NIGHT...N winds 15 to 20 kt. Seas 6 to 7 ft. 
.SUN...N winds 15 to 25 kt. Seas 6 to 8 ft. 
.SUN NIGHT...N winds 20 to 25 kt. Seas 7 to 8 ft. 
.MON...N winds 15 to 25 kt. Seas 7 to 9 ft. 
.MON NIGHT...N winds 20 to 25 kt. Seas 7 to 9 ft. 
.TUE...N winds 15 to 25 kt. Seas 7 to 9 ft. 
.TUE NIGHT...N winds 15 to 25 kt. Seas 7 to 8 ft. 
.WED...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 5 to
7 ft. 
.WED NIGHT...N winds less than 10 kt, becoming variable. Seas
4 to 5 ft. 

$$

PZZ915-231130-
Florence, OR to Point St. George between 150 NM and 250 NM
offshore-
239 PM PDT Fri Aug 22 2025

.TONIGHT...N winds 15 to 20 kt. Seas 4 to 7 ft. 
.SAT...N winds 15 to 20 kt. Seas 5 to 8 ft. 
.SAT NIGHT...N winds 15 to 20 kt. Seas 5 to 8 ft. 
.SUN...N winds 15 to 20 kt. Seas 6 to 8 ft. 
.SUN NIGHT...N winds 15 to 25 kt. Seas 6 to 8 ft. 
.MON...N winds 20 to 25 kt. Seas 6 to 9 ft. 
.MON NIGHT...N winds 20 to 25 kt. Seas 7 to 9 ft. 
.TUE...N winds 15 to 25 kt. Seas 6 to 9 ft. 
.TUE NIGHT...N winds 10 to 20 kt. Seas 5 to 8 ft. 
.WED...N winds 5 to 15 kt, becoming N to NW. Seas 4 to 7 ft. 
.WED NIGHT...Variable winds 5 to 15 kt, becoming S to SW. Seas
4 to 5 ft. 

$$

.Forecaster Rowland. Ocean Prediction Center.

FZPN26 KWBC 222140
OFFPZ6

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
240 PM PDT Fri Aug 22 2025

California waters-
Inner waters from  60 nm to 150 nm offshore.
Outer waters from 150 nm to 250 nm offshore.

Seas given as significant wave height, which is the average
height of the highest 1/3 of the waves. Individual waves may be
more than twice the significant wave height.

PZZ899-231130-
240 PM PDT Fri Aug 22 2025

.SYNOPSIS FOR CALIFORNIA WATERS...A high pressure ridge will
persist W and NW of the N and central waters while a weak trough
persists along the coast through Tue. By late Tue into Tue night
weak low pressure forms over the central waters and then drifts 
NE over this region Wed before dissipating Wed night. High 
pressure will build in across the central and S waters from the W
Wed and Wed night. A cold front is expected to move E into the N
waters Wed night. 


$$

PZZ820-231130-
Point St. George to Point Arena between 60 NM and 150 NM
offshore-
240 PM PDT Fri Aug 22 2025

.TONIGHT...N winds 15 to 20 kt. Seas 6 to 8 ft. 
.SAT...N winds 15 to 20 kt. Seas 6 to 8 ft. 
.SAT NIGHT...N winds 15 to 20 kt. Seas 6 to 7 ft. 
.SUN...N winds 15 to 20 kt. Seas 6 to 8 ft. Chance of rain. 
.SUN NIGHT...N winds 15 to 25 kt. Seas 6 to 8 ft. 
.MON...N winds 15 to 25 kt. Seas 7 to 9 ft. 
.MON NIGHT...N winds 15 to 25 kt. Seas 7 to 9 ft. 
.TUE...N winds 15 to 25 kt. Seas 8 to 10 ft. 
.TUE NIGHT...N winds 15 to 25 kt. Seas 7 to 9 ft. 
.WED...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 6 to
8 ft. 
.WED NIGHT...N to NW winds less than 10 kt. Seas 4 to 6 ft. 

$$

PZZ920-231130-
Point St. George to Point Arena between 150 NM and 250 NM
offshore-
240 PM PDT Fri Aug 22 2025

.TONIGHT...N winds 15 to 20 kt. Seas 5 to 8 ft. 
.SAT...N winds 15 to 20 kt. Seas 6 to 8 ft. 
.SAT NIGHT...N winds 15 to 20 kt. Seas 6 to 7 ft. 
.SUN...N winds 15 to 20 kt. Seas 6 to 8 ft. Chance of rain. 
.SUN NIGHT...N winds 15 to 25 kt. Seas 7 to 8 ft. 
.MON...N winds 20 to 25 kt. Seas 7 to 9 ft. 
.MON NIGHT...N winds 20 to 25 kt. Seas 7 to 9 ft. 
.TUE...N winds 20 to 25 kt. Seas 7 to 10 ft. 
.TUE NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. 
.WED...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 5 to
8 ft. 
.WED NIGHT...N to NW winds 5 to 15 kt, diminishing to less than
10 kt. Seas 4 to 6 ft. 

$$

PZZ825-231130-
Point Arena to Pigeon Point between 60 NM and 150 NM offshore-
240 PM PDT Fri Aug 22 2025

.TONIGHT...N to NW winds 15 to 20 kt. Seas 6 to 8 ft. 
.SAT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas
5 to 7 ft. 
.SAT NIGHT...NW winds 10 to 20 kt. Seas 5 to 6 ft. 
.SUN...N to NW winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN NIGHT...N to NW winds 15 to 20 kt. Seas 5 to 7 ft. 
.MON...N to NW winds 10 to 20 kt. Seas 6 to 8 ft. 
.MON NIGHT...N to NW winds 10 to 20 kt. Seas 6 to 9 ft. 
.TUE...N winds 15 to 25 kt. Seas 6 to 9 ft. 
.TUE NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. 
.WED...N to NE winds 5 to 15 kt, becoming variable. Seas 5 to
8 ft. 
.WED NIGHT...N winds less than 10 kt, becoming variable. Seas
5 to 6 ft. 

$$

PZZ925-231130-
Point Arena to Pigeon Point between 150 NM and 250 NM offshore-
240 PM PDT Fri Aug 22 2025

.TONIGHT...N winds 15 to 20 kt. Seas 6 to 8 ft. 
.SAT...N winds 15 to 20 kt, becoming N to NW 10 to 15 kt. Seas
6 to 7 ft. 
.SAT NIGHT...N winds 15 to 20 kt. Seas 6 to 7 ft. 
.SUN...N winds 15 to 20 kt. Seas 6 to 7 ft. Chance of rain. 
.SUN NIGHT...N winds 15 to 20 kt. Seas 6 to 7 ft. 
.MON...N winds 15 to 20 kt. Seas 7 to 8 ft. 
.MON NIGHT...N winds 15 to 25 kt. Seas 7 to 9 ft. 
.TUE...N winds 15 to 25 kt. Seas 7 to 9 ft. 
.TUE NIGHT...N winds 15 to 25 kt. Seas 7 to 9 ft. 
.WED...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 6 to
9 ft. 
.WED NIGHT...N winds 5 to 15 kt. Seas 5 to 7 ft. 

$$

PZZ830-231130-
Pigeon Point to Point Piedras Blancas between 60 NM and 150 NM
offshore-
240 PM PDT Fri Aug 22 2025

.TONIGHT...NW winds 15 to 20 kt. Seas 6 to 8 ft. 
.SAT...NW winds 10 to 20 kt, becoming 10 to 15 kt. Seas 5 to
7 ft. 
.SAT NIGHT...NW winds 10 to 15 kt. Seas 5 to 6 ft. 
.SUN...NW winds 10 to 15 kt. Seas 5 to 6 ft. 
.SUN NIGHT...NW winds 15 to 20 kt. Seas 5 to 7 ft. 
.MON...NW winds 10 to 20 kt, becoming 10 to 15 kt. Seas 6 to
7 ft. 
.MON NIGHT...N to NW winds 10 to 20 kt, becoming NW 10 to 15 kt.
Seas 6 to 7 ft. 
.TUE...N to NW winds 10 to 20 kt, becoming variable less than
10 kt. Seas 5 to 7 ft. 
.TUE NIGHT...W winds less than 10 kt, becoming variable. Seas
5 to 7 ft. 
.WED...Variable winds less than 5 kt, becoming S to SE. Seas
5 to 6 ft. 
.WED NIGHT...Variable winds less than 10 kt. Seas 5 to 6 ft. 

$$

PZZ930-231130-
Pigeon Point to Point Piedras Blancas between 150 NM and 250 NM
offshore-
240 PM PDT Fri Aug 22 2025

.TONIGHT...N to NW winds 15 to 20 kt. Seas 6 to 7 ft. 
.SAT...N winds 15 to 20 kt, becoming NW 10 to 15 kt. Seas 6 to
7 ft. 
.SAT NIGHT...NW winds 10 to 15 kt, becoming N to NW 15 to 20 kt.
Seas 5 to 7 ft. 
.SUN...N winds 15 to 20 kt, becoming N to NW 10 to 15 kt. Seas
5 to 6 ft. 
.SUN NIGHT...N to NW winds 15 to 20 kt. Seas 6 to 7 ft. 
.MON...N to NW winds 10 to 20 kt. Seas 6 to 7 ft. 
.MON NIGHT...N to NW winds 15 to 20 kt. Seas 6 to 8 ft. 
.TUE...N winds 10 to 20 kt. Seas 6 to 9 ft. 
.TUE NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. 
.WED...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 6 to
8 ft. 
.WED NIGHT...N winds 5 to 15 kt. Seas 5 to 7 ft. 

$$

PZZ835-231130-
Point Piedras Blancas to Santa Cruz Island, CA between 60 NM and
150 NM offshore-
240 PM PDT Fri Aug 22 2025

.TONIGHT...N winds 15 to 20 kt, becoming NW. Seas 6 to 8 ft. 
.SAT...N to NW winds 10 to 20 kt, becoming NW 10 to 15 kt. Seas
5 to 6 ft. 
.SAT NIGHT...N to NW winds 15 to 20 kt. Seas 5 to 6 ft. 
.SUN...NW winds 10 to 15 kt. Seas 5 to 6 ft. 
.SUN NIGHT...NW winds 15 to 20 kt. Seas 5 to 6 ft. 
.MON...NW winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON NIGHT...NW winds 10 to 15 kt. Seas 5 to 6 ft. 
.TUE...W to NW winds less than 10 kt. Seas 5 to 6 ft. 
.TUE NIGHT...W to SW winds less than 10 kt. Seas 5 to 6 ft. 
.WED...S to SW winds less than 10 kt. Seas 5 to 6 ft. 
.WED NIGHT...SW winds less than 10 kt, becoming variable. Seas
4 to 5 ft. 

$$

PZZ935-231130-
Point Piedras Blancas to Santa Cruz Island, CA between 150 NM
and 250 NM offshore-
240 PM PDT Fri Aug 22 2025

.TONIGHT...N winds 15 to 20 kt. Seas 6 to 8 ft. 
.SAT...N winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas
6 to 7 ft. 
.SAT NIGHT...N to NW winds 15 to 20 kt, diminishing to 10 to
15 kt. Seas 5 to 6 ft. 
.SUN...N to NW winds 10 to 15 kt. Seas 5 to 6 ft. 
.SUN NIGHT...N to NW winds 15 to 20 kt. Seas 5 to 7 ft. 
.MON...N to NW winds 10 to 15 kt. Seas 6 to 7 ft. 
.MON NIGHT...NW winds 10 to 15 kt. Seas 6 to 7 ft. 
.TUE...NW winds 5 to 15 kt. Seas 5 to 7 ft. 
.TUE NIGHT...W to NW winds 5 to 15 kt, becoming variable. Seas
5 to 7 ft. 
.WED...W to SW winds less than 10 kt, becoming S to SW. Seas
5 to 7 ft. 
.WED NIGHT...N to NW winds 5 to 15 kt. Seas 5 to 6 ft. 

$$

PZZ840-231130-
Santa Cruz Island, CA to San Clemente Island, CA between 60 NM
and 150 NM offshore-
240 PM PDT Fri Aug 22 2025

.TONIGHT...N to NW winds 10 to 20 kt, becoming NW 5 to 15 kt.
Seas 4 to 8 ft. Areas of fog with vsby 1 nm or less. 
.SAT...NW winds 5 to 15 kt. Seas 3 to 6 ft. Areas of fog with
vsby 1 nm or less early. 
.SAT NIGHT...N to NW winds 10 to 20 kt. Seas 3 to 6 ft. 
.SUN...NW winds 10 to 20 kt, becoming 10 to 15 kt. Seas 3 to
6 ft. 
.SUN NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...NW winds 10 to 20 kt, becoming 10 to 15 kt. Seas 4 to
6 ft. 
.MON NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE...NW winds 5 to 15 kt. Seas 4 to 6 ft. 
.TUE NIGHT...NW winds 5 to 15 kt. Seas 4 to 6 ft. 
.WED...NW winds 5 to 15 kt, diminishing to less than 10 kt. Seas
3 to 5 ft. 
.WED NIGHT...W to NW winds 5 to 15 kt, becoming NW. Seas 3 to
5 ft. 

$$

PZZ940-231130-
Santa Cruz Island, CA to 120W between 150 NM and 250 NM offshore-
240 PM PDT Fri Aug 22 2025

.TONIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. 
.SAT...N winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT NIGHT...N winds 10 to 20 kt. Seas 5 to 6 ft. 
.SUN...N to NW winds 10 to 15 kt. Seas 5 to 6 ft. 
.SUN NIGHT...N to NW winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON...N to NW winds 10 to 15 kt. Seas 6 to 7 ft. 
.MON NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. 
.TUE...NW winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas
5 to 6 ft. 
.TUE NIGHT...W to NW winds 5 to 10 kt. Seas 5 to 6 ft. 
.WED...N to NW winds less than 10 kt, becoming variable. Seas
4 to 6 ft. 
.WED NIGHT...W to NW winds 5 to 10 kt, becoming N to NW. Seas
4 to 6 ft. 

$$

PZZ945-231130-
San Clemente Island, CA to 30N from 60 NM offshore west to 120W-
240 PM PDT Fri Aug 22 2025

.TONIGHT...W to NW winds 5 to 10 kt. Seas 4 to 6 ft. Areas of
fog with vsby 1 nm or less. 
.SAT...NW winds 5 to 10 kt. Seas 4 to 6 ft. 
.SAT NIGHT...NW winds 10 to 15 kt. Seas 4 to 5 ft. 
.SUN...NW winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN NIGHT...NW winds 10 to 15 kt. Seas 5 to 6 ft. 
.MON...NW winds 10 to 15 kt. Seas 5 to 6 ft. 
.MON NIGHT...NW winds 10 to 15 kt. Seas 5 to 6 ft. 
.TUE...NW winds 10 to 15 kt. Seas 5 to 6 ft. 
.TUE NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 5 to 6 ft. 
.WED...N winds 5 to 15 kt, becoming NW 5 to 10 kt. Seas 4 to
6 ft. 
.WED NIGHT...NW winds 5 to 10 kt, becoming N. Seas 4 to 5 ft. 

$$

.Forecaster Rowland. Ocean Prediction Center.

FZPN02 KWBC 222325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC FRI AUG 22 2025

CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE 
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE 
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. 

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE 
NATIONAL WEATHER SERVICE. EMAIL US AT 
VOSOPS@NOAA.GOV(LOWERCASE).

FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE 
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).

SECURITE

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT 
TO 50N 160E

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1800 UTC AUG 22. 
24 HOUR FORECAST VALID 1800 UTC AUG 23.
48 HOUR FORECAST VALID 1800 UTC AUG 24.

.WARNINGS.

...GALE WARNING...
.LOW NW OF AREA 59N169E 991 MB MOVING NE 30 KT. WITHIN 360 NM S
AND E QUADRANTS WINDS 30 TO 40 KT. SEAS 3 TO 6 M. ELSEWHERE W OF
A LINE FROM 50N180W TO 60N167W TO 64N170W...AND WITHIN 360 NM W
OF A LINE FROM 42N168E TO 50N180W WINDS 20 TO 30 KT. SEAS 2.5 TO
4 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST LOW N OF AREA NEAR
63N175W 1006 MB AND SECOND NEW LOW NW OF AREA NEAR 58N165E 1002
MB. N OF 61N BETWEEN ALASKA AND 175W...AND WITHIN 360 NM E OF A
LINE FROM 60N174E TO 46N170E WINDS 20 TO 30 KT. SEAS TO 4 M. 
.48 HOUR FORECAST COMPLEX LOW WITH FIRST LOW WELL N OF
AREA...SECOND LOW NW OF AREA NEAR 59N173E 1006 MB...AND THIRD NEW
LOW TO FORM NEAR 48N174E 1005 MB. WITHIN 300 NM W OF A LINE FROM
50N174W TO 60N162W...AND FROM 50N TO 60N BETWEEN 175W AND 173E
WINDS 20 TO 30 KT. SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.LOW 52N143W 1009 MB MOVING NW 10 KT. WITHIN 360 NM NE...420 NM
N...AND 540 NM W QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 51N148W 1014 MB. FROM 50N TO 55N BETWEEN
150W AND 155W WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 49N152W 1016 MB. WINDS LESS THAN 25 KT.
SEAS LESS THAN 2.5 M.

.LOW 31N173E 1011 MB MOVING NW 10 KT. FROM 30N TO 40N BETWEEN
180W AND 170E WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW 35N171E 1012 MB. WITHIN 360 NM NE QUADRANT
WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 48N174E
DESCRIBED IN WARNINGS SECTION ABOVE.

.FROM 31N TO 48N BETWEEN 121W AND 130W AREA OF N TO NW WINDS LESS
THAN 25 KT. SEAS TO 2.5 M. 
.24 HOUR FORECAST FROM 40N TO 50N BETWEEN 125W AND 130W AREA OF N
TO NW WINDS LESS THAN 25 KT. SEAS LESS THAN  2.5 M. 
.48 HOUR FORECAST FROM 37N TO 55N BETWEEN 125W AND 131W AREA OF N
TO NW WINDS 20 TO 30 KT. SEAS TO 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 55N TO 62N
BETWEEN 167W AND 178E...FROM 50N TO 55N BETWEEN 166W AND
170E...AND S OF 50N TO A LINE FROM 50N166E TO 50N160E TO
47N168W...AND FROM 53N TO 56N BETWEEN 136W AND 140W.
.24 HOUR FORECAST DENSE FOG FROM 46N TO 50N BETWEEN 163W AND
175W...FROM 52N TO 60N BETWEEN 175W AND 173W...AND WITHIN 240 NM
W OF A LINE FROM 52N178E TO 41N168E.
.48 HOUR FORECAST DENSE FOG FROM 48N TO 61N BETWEEN 160W AND
173W...AND WITHIN 360 NM E OF A LINE FROM 42N167E TO 50N173E TO
57N179W.

.FORECASTER EHRBAR. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1800 UTC FRI AUG 22.
24 HOUR FORECAST VALID 1800 UTC SAT AUG 23.
48 HOUR FORECAST VALID 1800 UTC SUN AUG 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 19N136W TO 19N140W TO 13N140W TO 14N134W TO 15N132W TO
19N136W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 17N139W TO 18N140W TO 13N140W TO 
13N137W TO 14N137W TO 17N139W WINDS 20 KT OR LESS. SEAS 2.5 M IN 
NE SWELL.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.WITHIN 03S107W TO 03S115W TO 02S120W TO 03.4S120W TO 03.4S106W
TO 03S107W WINDS 20 KT OR LESS. SEAS 2.5 M IN SE SWELL.
.24 HOUR FORECAST WITHIN 02S91W TO 02S107W TO 00N120W TO 
03.4S120W TO 03.4S86W TO 02S91W...EXCEPT LEE OF GALAPAGOS 
ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE TO S 
SWELL.
.48 HOUR FORECAST WITHIN 01N83W TO 08N100W TO 03N118W TO 
03.4S120W TO 03S81W TO 01N83W...EXCEPT LEE OF GALAPAGOS 
ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN S SWELL.

.03 HOUR FORECAST WITHIN 08N109W TO 08N111W TO 07N113W TO
05N114W TO 05N113W TO 05N111W TO 08N109W WINDS 20 KT OR LESS.
SEAS 2.5 M IN SE TO S SWELL.
.24 HOUR FORECAST WITHIN 10N114W TO 08N122W TO 04N120W TO 
03N115W TO 06N96W TO 10N114W WINDS 20 KT OR LESS. SEAS 2.5 M IN S
SWELL.
.48 HOUR FORECAST WITHIN 15N105W TO 13N116W TO 06N133W TO 
05N117W TO 07N106W TO 15N105W WINDS 20 KT OR LESS. SEAS 2.5 TO 
3.0 M IN S SWELL.

.15 HOUR FORECAST WITHIN 04N82W TO 04N85W TO 05N86W TO 05N88W TO
04N85W TO 03N83W TO 04N82W WINDS 20 KT OR LESS. SEAS 2.5 M IN S
TO SW SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 1800 UTC FRI AUG 22...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 13N105W TO BEYOND 12N140W. 
NUMEROUS MODERATE ISOLATED STRONG FROM 08N TO 16N BETWEEN 97W 
AND 108W. SCATTERED MODERATE FROM 05N TO 12N EAST OF 94W...09N 
TO 12N BETWEEN 119W AND 130W...AND 11N TO 14N BETWEEN 134W AND 
140W.

.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1800 UTC AUG 22 2025.
24 HOUR FORECAST VALID 1800 UTC AUG 23 2025.
48 HOUR FORECAST VALID 1800 UTC AUG 24 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N174E 27N174E 24N172E MOVING NW SLOWLY. SCATTERED
MODERATE TSTMS WITHIN 330 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH 30N169E 23N165E.
.48 HOUR FORECAST TROUGH MOVED N OF AREA.

.TROUGH 29N175W 27N176W 25N177W MOVING NW SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 150 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW TROUGH 26N170E 24N164E.
.48 HOUR FORECAST TROUGH 27N167E 25N162E.

.24 HOUR FORECAST NEW TROUGH 14N159W 08N161W.
.48 HOUR FORECAST TROUGH 14N164W 08N165W.

.WINDS 20 TO 25 KT FROM 12N TO 18N E OF 155W...AND FROM 10N TO
16N BETWEEN 175W AND 164E.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 12N TO 18N E OF
162W...AND FROM 11N TO 16N BETWEEN 175W AND 164E.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 11N TO 17N BETWEEN 144W
AND 164W...AND S OF 04N BETWEEN 149W AND 171W

.SEAS 2.5 TO 3.0 M FROM 11N TO 18N E OF 155W...AND FROM 10N TO
16N BETWEEN 169W AND 175W.
.24 HOUR FORECAST SEAS 2.5 TO 3.0 M FROM 12N TO 18N E OF
164W...AND FROM 12N TO 16N BETWEEN 180E AND 171E.
.48 HOUR FORECAST SEAS 2.5 TO 3.0 M FROM 12N TO 19N E OF 160W.

.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF
FORECAST AREA.

.MONSOON TROUGH 12N140W 12N148W THENCE ITCZ 06N161W 08N172W
05N176E 07N169E 06N161E. ISOLATED MODERATE TO STRONG TSTMS
WITHIN 180 NM OF ITCZ BETWEEN 175W AND 175E. ISOLATED MODERATE
TSTMS ELSEWHERE WITHIN 210 NM OF ITCZ AND MONSOON TROUGH.

.WIDELY SCATTERED MODERATE TSTMS N OF 21N W OF 167E.

$$

.FORECASTER AHUE. HONOLULU HI.