Hurricane Warnings in Effect

Atlantic:  High Seas

North Pacific High Seas Forecast

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FZPN01 KWBC 081610
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC WED SEP 08 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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).

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 1200 UTC SEP 08. 
24 HOUR FORECAST VALID 1200 UTC SEP 09.
48 HOUR FORECAST VALID 1200 UTC SEP 10.

.WARNINGS.

...GALE WARNING...
.LOW 46N133W 1011 MB MOVING NE 10 KT. FROM 43N TO 47N BETWEEN
132W AND 137W WINDS 20 TO 30 KT. SEAS TO 9 FT.
.12 HOUR FORECAST LOW 47N131W 1010 MB. WITHIN 180 NM W AND NW
SEMICIRCLES WINDS 25 TO 35 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 49N128W 1009 MB. WITHIN 180 NM W SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

...GALE WARNING...
.INTENSIFYING LOW 51N164W 1001 MB MOVING NE 15 KT. WITHIN 180 NM
N AND NE OF A FRONT EXTENDING FROM THE LOW TO 51N159W TO 48N156W
AND WITHIN 180 NM E AND SE OF A FRONT EXTENDING FROM 48N156W TO
44N155W TO 39N160W WINDS 25 TO 35 KT. SEAS TO 9 FT. ELSEWHERE
WITHIN 300 NM SW OF A LINE FROM THE LOW TO 40N154W WINDS 20 TO 30
KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 54N154W 982 MB. WITHIN 420 NM N
SEMICIRCLE...720 NM SE AND S...AND 480 NM W QUADRANTS WINDS 30 TO
45 KT. SEAS 10 TO 21 FT. ELSEWHERE FROM 42N TO 59N BETWEEN 140W
AND 171W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 56N147W 984 MB. N OF A LINE FROM 52N132W TO
59N151W...AND WITHIN 480 NM S AND 420 NM W QUADRANTS WINDS 30 TO
45 KT. SEAS 11 TO 23 FT...HIGHEST NEAR 52N148W. ELSEWHERE FROM
46N TO 61N BETWEEN 132W AND 163W WINDS 20 TO 30 KT. SEAS 9 TO 18
FT. OTHERWISE FROM 39N TO 46N BETWEEN 140W AND 162W WINDS TO 25
KT. SEAS 8 TO 15 FT IN NW SWELL.

...GALE WARNING...
.LOW 49N176W 997 MB MOVING E 35 KT. WITHIN 360 NM SE AND S
QUADRANTS WINDS 30 TO 45 KT. SEAS 8 TO 15 FT. ELSEWHERE WITHIN
360 NM SE...600 NM S...AND 300 NM SW QUADRANTS WINDS 20 TO 30 KT.
SEAS TO 12 FT.
.24 HOUR FORECAST LOW ABSORBED. CONDITIONS DESCRIBED ABOVE WITH
LOW 54N154W.

.SYNOPSIS AND FORECAST.

.LOW W OF AREA NEAR 35N157E 1009 MB MOVING NE 05 KT. WITHIN 240
NM NW OF A FRONT EXTENDING FROM 37N160E TO 39N167E WINDS 20 TO 30
KT. SEAS TO 11 FT. ELSEWHERE W OF A LINE FROM 41N172E TO 32N160E
WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW W OF AREA NEAR 36N159E 1011 MB. WITHIN 540
NM E QUADRANT WINDS LESS THAN 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 44N175E 1008 MB.
WITHIN 360 NM SE OF A LINE FROM 46N177W TO 37N163E AREA OF S TO
SW WINDS TO 25 KT. SEAS TO 8 FT.

.LOW NW OF AREA NEAR 64N178E 990 MB MOVING W 05 KT. NW OF A LINE
FROM 63N173W TO 56N180W WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 64N174E 997 MB. CONDITIONS DIMINISHED.

.LOW 57N136W 1009 MB MOVING E 05 KT. WITHIN 120 NM SE AND S
QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

.FROM 34N TO 40N BETWEEN 121W AND 125W AREA OF NW WINDS TO 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 36N TO 41N BETWEEN 123W AND 126W AREA OF
NW WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.24 HOUR FORECAST LOW 56N179W 1001 MB. WITHIN 540 NM S QUADRANT
WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW 61N167W 994 MB. WITHIN 360 NM S AND 540 NM
SW QUADRANT WINDS 20 TO 30 KT. SEAS TO 10 FT.

.SEMISOPOCHNOI VOLCANO AT POSITION 51.9N 179.6E LOCATED 140 NM W
OF ADAK IS IN A STATE OF UNREST. OCCASIONAL LOW LEVEL ERUPTIVE
ACTIVITY CONTINUES. MARINERS TRAVELING IN THE VICINITY OF
SEMISOPOCHNOI ARE URGED TO EXERCISE CAUTION. PLEASE REPORT ANY
OBSERVATIONS OF VOLCANIC ASH OR FLOATING VOLCANIC DEBRIS TO THE
OCEAN PREDICTION CENTER BY CALLING 301 683 1520.
 
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM OF
47N170W.
.24 HOUR FORECAST CONDITIONS IMPROVED.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 46N BETWEEN 172W AND
170E.
 
.HIGH 35N132W 1019 MB MOVING SW 10 KT.
.24 HOUR FORECAST HIGH 32N135W 1019 MB.
.48 HOUR FORECAST HIGH DISSIPATED.
 
.HIGH 41N149W 1023 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH 38N144W 1022 MB.
.48 HOUR FORECAST HIGH 37N140W 1021 MB.

.HIGH 34N176W 1025 MB MOVING N 05 KT.
.24 HOUR FORECAST HIGH 36N176W 1026 MB.
.48 HOUR FORECAST HIGH 36N169W 1025 MB.

.24 HOUR FORECAST NEW HIGH 43N175W 1026 MB.
.48 HOUR FORECAST HIGH 42N162W 1026 MB.

.FORECASTER HUFFMAN. 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 1200 UTC WED SEP 8.
24 HOUR FORECAST VALID 1200 UTC THU SEP  9.
48 HOUR FORECAST VALID 1200 UTC FRI SEP 10.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM OLAF NEAR 18.9N 107.5W 1005 MB AT 1500 UTC SEP
08 MOVING NW OR 315 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER
EXCEPT 40 NM NE QUADRANT. ELSEWHERE WITHIN 18N104W TO 17N107W TO
18N110W TO 20N109W TO 21N106W TO 18N104W...INCLUDING NEAR CABO 
CORRIENTES...WINDS 20 TO 33 KT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST TROPICAL STORM OLAF NEAR 20.6N 109.0W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NE QUADRANT...70 NM SE QUADRANT...40 NM SW QUADRANT 
...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM NE 
QUADRANT WITH SEAS TO 18 FT. ELSEWHERE WITHIN 21N107W TO 20N108W 
TO 20N110W TO 22N109W TO 21N108W TO 21N107W...INCLUDING NEAR CABO
CORRIENTES...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF 
AREA WITHIN 20N106W TO 19N109W TO 20N112W TO 23N109W TO 22N107W 
TO 20N106W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM OLAF NEAR 22.9N 112.2W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS 
WITHIN 70 NM NE QUADRANT...60 NM SE QUADRANT...40 NM SW 
QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER 30 NM NE 
AND E QUADRANT...60 NM NW AND SW QUADRANT WITH SEAS TO 21 FT. 
ELSEWHERE WITHIN 23N111W TO 22N111W TO 22N113W TO 23N113W TO 
24N111W TO 23N111W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER
OPFF AREA WITHIN 20N111W TO 20N113W TO 24N116W TO 25N112W TO 
23N109W TO 20N111W...INCLUDING GULF OF CALIFORNIA...WINDS 20 KT 
OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM OLAF NEAR 23.8N 115.4W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW OLAF NEAR 23.7N 
118.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. 
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW OLAF NEAR 23.0N 
120.7W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST WITHIN 03.4S85W TO 03.4S120W TO 00N121W TO
02N106W TO 00S101W TO 03.4S85W WINDS 20 KT OR LESS. SEAS 8 T0 9
FT IN SW SWELL. 
.48 HOUR FORECAST LITTLE CHANGE.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 1545 UTC WED SEP 8...

.TROPICAL STORM OLAF...SCATTERED MODERATE ISOLATED STRONG WITHIN
150 NM OF THE CENTER IN THE NE QUADRANT AND SCATTERED MODERATE 
WITHIN 90 NM OF THE CENTER IN THE SE QUADRANT. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 09N84W TO 10N99W. IT RESUMES AT 11N114W TO 
12N130W TO 14N135W. SCATTERED MODERATE ISOLATED STRONG WITHIN 
60 NM S OF TROUGH BETWEEN 93W AND 98W...AND BETWEEN 110W AND 
115W.

.FORECASTER TORRES. NATIONAL HURRICANE CENTER.

$$