East and Central North Pacific High Seas Forecast

FZPN02 KWBC 131125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC WED MAY 13 2026

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

SECURITE

PACIFIC S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT
TO 53N172E TO 50N180W TO 30N180W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0600 UTC MAY 13. 
24 HOUR FORECAST VALID 0600 UTC MAY 14.
48 HOUR FORECAST VALID 0600 UTC MAY 15.

.WARNINGS.

...GALE WARNING...
.LOW 51N164W 996 MB MOVING E 30 KT. WITHIN 150 NM S AND SW
QUADRANTS WINDS 30 TO 40 KT. SEAS 4.5 TO 7 M. ALSO WITHIN 
480 NM E...600 NM S...540 NM SW...AND 480 NM NW QUADRANTS WINDS
25 TO 35 KT. SEAS 2.5 TO 5.5 M...HIGHEST S OF CENTER. ELSEWHERE S
OF THE ALEUTIAN ISLANDS NW OF A LINE FROM 38N180W TO 33N170W TO
46N150W TO 58N156W WINDS TO 25 KT. SEAS 2.5 TO 5.5 M.
.24 HOUR FORECAST LOW 52N148W 1010 MB. FROM 36N TO 55N BETWEEN
142W AND 176W...EXCEPT WHERE DESCRIBED WITH LOW 51N166W
BELOW...WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M...HIGHEST NEAR
48N154W. 
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST LOW 51N166W 1009 MB. WITHIN 360 NM S QUADRANT
WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE CONDITIONS
DESCRIBED WITH LOW 52N148W ABOVE.
.48 HOUR FORECAST LOW 51N141W 1009 MB. WITHIN 360 NM SE AND 420
NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 3 TO 5.5 M. ELSEWHERE
FROM 40N TO 56N BETWEEN 132W AND 160W WINDS TO 25 KT. SEAS 2.5 TO
4 M.

...GALE WARNING...
.30 HOUR FORECAST LOW W OF AREA 47N172E 982 MB. W OF A LINE FROM
39N180W TO 44N177W TO 47N180W AREA OF SE TO S WINDS 30 TO 45 KT.
SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW W OF AREA 50N178W 981 MB. FROM 38N TO 54N W
OF 161W WINDS 30 TO 45 KT. SEAS 4 TO 8 M...HIGHEST S OF THE
ALEUTIAN ISLANDS ALONG 180W. ELSEWHERE FROM 36N TO 56N W OF 159W
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.

.SYNOPSIS AND FORECAST.

.LOW 46N131W 1015 MB MOVING NE 15 KT. WITHIN 1020 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 3 M...HIGHEST NEAR 43N134W.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.LOW 58N154W 998 MB MOVING NW 10 KT. WITHIN 120 NM NE OF A FRONT
FROM 59N149W TO 57N142W WINDS 20 TO 30 KT. SEAS TO 3 M. ELSEWHERE
N OF 50N BETWEEN 125W AND 153W WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

.COMPLEX LOW WITH MEAN CENTER 57N164W 994 MB MOVING NE 10 KT.
WITHIN 540 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 58N164W 1001
MB. WITHIN 150 NM EITHER SIDE OF A LINE FROM 54N166W TO 59N177E
WINDS TO 25 KT. SEAS 2.5 TO 3.5 M. 
.48 HOUR FORECAST LOWS DISSIPATED AND CONDITIONS DIMINISHED.

.24 HOUR FORECAST FROM 32N TO 41N BETWEEN 121W AND 128W AREA OF N
TO NW WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST FROM 31N TO 41N BETWEEN 121W AND 128W AREA OF N
TO NW WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.

.48 HOUR FORECAST S OF 50N BETWEEN 145W AND 164W AREA OF NE TO E
WINDS TO 25 KT. SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 51N TO 55N W OF
176E...WITHIN 720 NM NE OF A LINE FROM 50N173W TO 60N178E...AND
WITHIN 90 NM OF ALASKA COAST BETWEEN 134W AND 154W. 
.24 HOUR FORECAST DENSE FOG WITHIN 270 NM EITHER SIDE OF A LINE
FROM 51N158W TO 60N180W. 
.48 HOUR FORECAST DENSE FOG FROM 47N TO 54N W OF 160W...AND
WITHIN 150 NM EITHER SIDE OF A LINE FROM 50N168W TO 40N175W. 

.48 HOUR FORECAST LIGHT FREEZING SPRAY WITHIN 60 NM OF 59N167W.

.FORECASTER ANDERSON. 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 0600 UTC WED MAY 13.
24 HOUR FORECAST VALID 0600 UTC THU MAY 14.
48 HOUR FORECAST VALID 0600 UTC FRI MAY 15.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.GULF OF TEHUANTEPEC WITHIN 16N95W TO 15N96W TO 14N96W TO 14N95W
TO 15N95W TO 16N95W N TO NE WINDS 20 TO 30 KT. SEAS TO 3.0 M IN
SW SWELL.
.24 HOUR FORECAST GULF OF TEHUANTEPEC WITHIN 16N94.5W TO 
16N95.5W TO 15N95.5W TO 14.5N95.5W TO 14.5N95W TO 14.5N94.5W TO 
16N94.5W N WINDS 20 TO 30 KT. SEAS TO 3.0 M IN SW SWELL. WITHIN 
12N98W TO 13N100W TO 12N100W TO 11N99W TO 11N98W TO 12N98W WINDS 
20 KT OR LESS. SEAS 2.5 M IN MERGING NE AND SW SWELL.
.48 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N NW TO N WINDS 20 
TO 25 KT. SEAS LESS THAN 2.5 M.

.WITHIN 14N136W TO 12N136W TO 15N140W TO 10N140W TO 10N129W TO
11N127W TO 14N136W WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED E AND
S SWELL.
.24 HOUR FORECAST WITHIN 25N136W TO 25N140W TO 12N140W TO 
09N137W TO 09N131W TO 16N128W TO 25N136W WINDS 20 KT OR LESS. 
SEAS 2.5 TO 3.0 M IN MIXED NE AND S SWELL.
.48 HOUR FORECAST WITHIN 20N128W TO 22N137W TO 25N140W TO 
08N140W TO 14N125W TO 20N128W WINDS 20 KT OR LESS. SEAS 2.5 M IN 
MIXED NE AND S SWELL.

.WITHIN 02S101W TO 01S106W TO 02N110W TO 02S116W TO 03.4S117W TO
03S101W TO 02S101W WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW 
SWELL.
.24 HOUR FORECAST WITHIN 02S113W TO 01S114W TO 01S116W TO 
03.4S119W TO 03.4S113W TO 02S113W WINDS 20 KT OR LESS. SEAS 2.5 M
IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 03S116W TO 02S118W TO 03S120W TO 
03.4S120W TO 03.4S116W TO 03S116W WINDS 20 KT OR LESS. SEAS 2.5 M
IN S SWELL.

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

CONVECTION VALID AT 0800 UTC WED MAY 13...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N75W TO 03.5N85W TO 06N93W. ITCZ FROM 
06N94W TO 09N117W TO 05N125W TO 09N137W TO BEYOND 08N140W. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 03N TO 15N 
BETWEEN 81W AND 104W AND FROM 01.5N TO 06.5N BETWEEN 119W AND 
134W. SCATTERED TO LOCALLY NUMEROUS MODERATE TO STRONG CONVECTION
FROM 02N TO 11N BETWEEN 112.5W AND 117.5W AND FROM 07N TO 12.5N 
BETWEEN 127W AND 137W.

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W

SYNOPSIS VALID 0600 UTC MAY 13 2026.
24 HOUR FORECAST VALID 0600 UTC MAY 14 2026.
48 HOUR FORECAST VALID 0600 UTC MAY 15 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 10N140W 04N142W MOVING W SLOWLY. ISOLATED MODERATE TSTMS
FROM 08N TO 04N BETWEEN 148W AND 143W.
.24 HOUR FORECAST TROUGH DISSIPATED.

.48 HOUR FORECAST NEW TROUGH 27N156W 18N157W.

.WINDS 20 TO 25 KT FROM 26N TO 10N.
.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 10N.
.48 HOUR FORECAST WINDS 20 TO 25 KT N OF 12N.

.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 2.5 TO 3 M FROM 23N TO 10N.
.24 HOUR FORECAST SEAS 2.5 TO 3 M IN AREA BOUNDED BY 25N140W
10N140W 10N155W 09N180W 27N180W 25N140W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M IN AREA BOUNDED BY 30N140W
09N140W 14N155W 09N180W 24N180W 30N165W 30N140W.

.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.

.ITCZ 02N147W 04N166W 03N180W. SCATTERED MODERATE TSTMS FROM 11N
TO 03N W OF 153W.

$$

.FORECASTER FOSTER. HONOLULU HI.