National Weather Service Marine Forecast FZPN01 KWBC

FZPN01 KWBC 270942
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SUN APR 27 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 27. 24 HOUR FORECAST VALID 0600 UTC APR 28. 48 HOUR FORECAST VALID 0600 UTC APR 29.

.WARNINGS.

STORM WARNING

.LOW 45N168E 997 MB MOVING NE 10 KT AND INTENSIFYING. WITHIN 300 NM E SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT. .12 HOUR FORECAST LOW 48N170E 984 MB. FROM 34N TO 52N W OF 176W WINDS 25 TO 35 KT. SEAS TO 12 FT. .18 HOUR FORECAST LOW 48N172E 978 MB. WITHIN 240 NM S AND SW QUADRANTS WINDS 35 TO 50 KT. SEAS 9 TO 17 FT. ELSEWHERE FROM 37N TO 54N W OF 173W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. .24 HOUR FORECAST LOW 48E174E 976 MB. WITHIN 240 NM S AND SW QUADRANTS WINDS 35 TO 50 KT. SEAS 16 TO 28 FT. ELSEWHERE FROM 37N TO 56N W OF 167W WINDS 25 TO 35 KT. SEAS 8 TO 16 FT. .30 HOUR FORECAST LOW 49N179E 977 MB. WITHIN 300 NM S SEMICIRCLE WINDS 40 TO 55 KT. SEAS 16 TO 32 FT. .48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 54N170W 984 MB. WITHIN 420 NM SE...840 NM SW...AND 540 NM W QUADRANTS WINDS 30 TO 45 KT. SEAS 11 TO 26 FT...HIGHEST S OF MEAN CENTER. N OF 37N BETWEEN 147W AND 169E WINDS 20 TO 30 KT. SEAS 8 TO 17 FT...EXCEPT SEAS TO 11 FT IN BERING SEA.

GALE WARNING

.LOW 50N149W 1005 MB MOVING NE 25 KT. WITHIN 420 NM SE OF A LINE FROM 50N148W TO 30N159W WINDS 20 TO 30 KT. SEAS TO 11 FT. .24 HOUR FORECAST LOW 56N141W 998 MB. WITHIN 240 NM E OF A LINE FROM 58N144W TO 54N137W TO 45N144W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. .48 HOUR FORECAST LOW INLAND 59N135W 1004 MB. FROM 50N TO 58N E OF 141W WINDS TO 25 KT. SEAS 8 TO 13 FT.

GALE WARNING

.LOW 40N164E 1003 MB MOVING NE 10 KT. FROM 33N TO 42N W OF 168E WINDS 25 TO 35 KT. SEAS TO 8 FT. .24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 48N172E ABOVE.

GALE WARNING

.24 HOUR FORECAST NEW LOW 41N163E 1010 MB. WITHIN 240 NM S SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. .48 HOUR FORECAST LOW AND CONDITIONS DESCRIBED WITH LOW 54N170W ABOVE.

.SYNOPSIS AND FORECAST.

.FROM 32N TO 50N BETWEEN 122W AND 133W AREA OF N TO NW WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. .24 HOUR FORECAST FROM 32N TO 44N BETWEEN 120W AND 129W AREA OF NW WINDS TO 25 KT. SEAS TO 11 FT. .48 HOUR FORECAST S OF 41N BETWEEN 120W AND 129W AREA OF NW WINDS 20 TO 30 KT. SEAS TO 11 FT.

.NE OF A LINE FROM 59N150W TO 55N137W AREA OF SE WINDS TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 37N TO 52N BETWEEN 144W AND 160W...N OF 56N W OF 147W...AND FROM 42N TO 52N W OF 175E. .24 HOUR FORECAST DENSE FOG WITHIN 360 NM SE OF A LINE FROM 58N144W TO 38N154W...N OF A LINE FROM 56N160W TO 58N177E...AND WITHIN AN AREA BOUNDED BY A LINE FROM 47N160E TO 46N180W TO 40N170W TO 52N170W TO 53N180W TO 51N160E TO 47N160E. .48 HOUR FORECAST DENSE FOG WITHIN 180 NM SE OF A LINE FROM 40N150W TO 46N137W...WITHIN 480 NM NW OF A LINE FROM 44N180W TO 56N150W...N OF THE ALEUTIAN ISLANDS BETWEEN 159W AND 180W...AND N OF 59N W OF 174W.

.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 SUN APR 27. 24 HOUR FORECAST VALID 0600 UTC MON APR 28. 48 HOUR FORECAST VALID 0600 UTC TUE APR 29.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 11N114W TO 16N126W TO 18N140W TO 05N140W TO 06N116W TO 11N114W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL AND NE WIND WAVES. .24 HOUR FORECAST WITHIN 16N121W TO 20N140W TO 06N140W TO 07N122W TO 16N121W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL AND NE WIND WAVES. .48 HOUR FORECAST WITHIN 18N124W TO 21N140W TO 07N140W TO 07N131W TO 10N119W TO 18N124W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL AND NE WIND WAVES.

.WITHIN 02N84W TO 10N109W TO 03.4S110W TO 02S91W TO 03.4S82W TO 02N84W...EXCEPT LEE OF GALAPAGOS ISLANDS... WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW SWELL. .24 HOUR FORECAST WITHIN 13N93W TO 12N96W TO 09N97W TO 07N97W TO 08N93W TO 10N92W TO 13N93W WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL. .42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN 30N121W TO 30N129W TO 28N127W TO 28N125W TO 30N121W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL. .24 HOUR FORECAST WITHIN 24N111W TO 30N116W TO 30N124W TO 26N120W TO 17N116W TO 18N111W TO 24N111W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL. .48 HOUR FORECAST WITHIN 30N116W TO 29N118W TO 26N118W TO 20N115W TO 22N112W TO 25N113W TO 30N116W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.

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

CONVECTION VALID AT 0730 UTC SUN APR 27...

INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH

MONSOON TROUGH FROM 08N78W TO 06N110W. ITCZ FROM 06N110W TO 04N140W. SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 10N BETWEEN 82W AND 140W.

.FORECASTER AL. NATIONAL HURRICANE CENTER.