High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 251623
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC TUE FEB 25 2020

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

SYNOPSIS VALID 1200 UTC FEB 25.
24 HOUR FORECAST VALID 1200 UTC FEB 26.
48 HOUR FORECAST VALID 1200 UTC FEB 27.

.WARNINGS.

...STORM WARNING...
.LOW 53N153W 973 MB MOVING NE 10 KT. OVER ICE FREE FORECAST
WATERS WITHIN 180 NM N OF A FRONT FROM 53N155W TO 54N154W TO
56N144W TO 54N133W TO 49N128W N OF 56N...AND WITHIN 180 NM SE
QUADRANT WINDS 40 TO 55 KT. SEAS 18 TO 27 FT. ELSEWHERE WITHIN
240 NM N AND E OF FRONT...AND WITHIN 780 NM E QUADRANT WINDS 25
TO 40 KT. SEAS 10 TO 18 FT.
.24 HOUR FORECAST LOW 56N148W 984 MB. WITHIN 300 NM NW...520 NM
NE...AND 720 NM SW QUADRANTS WINDS 25 TO 40 KT. ELSEWHERE WITHIN
600 NM W QUADRANT...WINDS LESS THAN 25 KT. SEAS 10 TO 14 FT IN
MIXED SWELL...EXCEPT WHERE DESCRIBED BELOW WITH LOW 50N154W.
.48 HOUR FORECAST LOW 58N146W 992 MB. WITHIN 300 NM NW
SEMICIRCLE WINDS TO 25 KT. SEAS TO 12 FT.

...STORM WARNING...
.LOW 40N170E 1000 MB MOVING NE 45 KT. OVER FORECAST WATERS
WITHIN 360 NM SE AND 480 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS
14 TO 26 FT.
.24 HOUR FORECAST LOW 46N163W 993 MB. WITHIN 180 NM S QUADRANT
WINDS 40 TO 50 KT. SEAS 18 TO 25 FT. ELSEWHERE WITHIN 360 NM S
SEMICIRCLE...AND WITHIN 540 NM SE QUADRANT WINDS 25 TO 40 KT.
SEAS 14 TO 18 FT.
.48 HOUR FORECAST LOW 55N142W 996 MB. WITHIN 300 NM E...600 NM
SE...AND 480 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 14 TO 23 FT.

...GALE WARNING...
.LOW 47N159W 992 MB MOVING NE 35 KT. OVER FORECAST WATERS WITHIN
180 NM S SEMICIRCLE...AND WITHIN 180 NM SE OF A FRONT FROM
47N154W TO 40N161W TO 38N170W TO 30N179E WINDS 25 TO 40 KT. SEAS
16 TO 21 FT.
.24 HOUR FORECAST LOW 58N144W 992 MB CONDITIONS DESCRIBED ABOVE
WITH LOW 56N148W.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY ABOVE LOW
58N146W.

...GALE WARNING...
.LOW 43N174W 996 MB MOVING NE 35 KT. OVER FORECAST WATERS WITHIN
300 NM SE AND 420 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 14 TO
19 FT.
.24 HOUR FORECAST LOW 50N154W 996 MB. WITHIN 180 NM SE
SEMICIRCLE...AND WITHIN 540 NM SE QUADRANT WINDS 25 TO 40 KT.
SEAS 14 TO 19 FT.
.48 HOUR FORECAST LOW INLAND CONDTIONS DESCRIBED ABOVE WITH LOW
55N142W.

...GALE WARNING...
.LOW 49N167E 978 MB MOVING NE 15 KT. OVER ICE FREE FORECAST
WATERS W OF A LINE FROM 44N175W TO CENTER TO 52N169W TO 60N155W
WINDS 25 TO 40 KT. SEAS 12 TO 26 FT...HIGHEST S OF CENTER.
.24 HOUR FORECAST LOW 50N176E 984 MB. WITHIN 520 NM S AND SW
QUADRANTS...AND N OF 55N W OF 170W WINDS 25 TO 40 KT. SEAS 14 TO
26 FT.
.48 HOUR FORECAST LOW DISSIPATED CONDITIONS DESCRIBED ABOVE WITH
LOW 55N142W.

...GALE WARNING...
.48 HOUR FORECAST LOW 41N171E 980 MB. OVER FORECAST WATERS S OF
A LINE FROM 32N160E TO 42N169E TO 42N176W WINDS 25 TO 40 KT.
SEAS 10 TO 16 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 56N158W TO
57N170W TO 60N179W AND IN COOK INLET.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 56N158W TO 57N170W TO 60N179W AND IN COOK INLET.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 58N W OF
170W.

.SYNOPSIS AND FORECAST.

.FROM 30N TO 43N BETWEEN 120W AND 128W WINDS TO 25 KT. SEAS TO
12 FT.
.24 HOUR FORECAST FROM 30N TO 40N BETWEEN 123W AND 129W WINDS TO
25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST FROM 38N TO 43N BETWEEN 124W AND 128W WINDS TO
25 KT. SEAS TO 12 FT.

.HIGH 37N132W 1034 MB MOVING NW 15 KT.
.24 HOUR FORECAST HIGH 40N138W 1035 MB.
.48 HOUR FORECAST HIGH 41N134W 1033 MB.

.HIGH 32N155W 1030 MB MOVING NE 30 KT.
.24 HOUR FORECAST HIGH MERGED WITH HIGH 40N138W.

.24 HOUR FORECAST NEW HIGH 36N168W 1031 MB.
.48 HOUR FORECAST HIGH 39N152W 1037 MB.

.FORECASTER BYRD. OCEAN PREDICTION CENTER.

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 TUE FEB 25.
24 HOUR FORECAST VALID 1200 UTC WED FEB 26.
48 HOUR FORECAST VALID 1200 UTC THU FEB 27.

.WARNINGS.

...STORM WARNING...
.36 HOUR FORECAST N OF 15N BETWEEN 94W AND 95W...INCLUDING THE
GULF OF TEHUANTEPEC...N WINDS 40 TO 50 KT. SEAS BUILDING TO 10
TO 13 FT. ELSEWHERE N OF 14.5N BETWEEN 93.5W AND 95.5W N WINDS
30 TO 40 KT. SEAS 8 TO 10 FT. REMAINDER OF AREA N OF 14N BETWEEN
93W AND 96W N WINDS 20 TO 30 KT. SEAS TO 8 FT.
.42 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W
TO 15N95W TO 13.5N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO
NE WINDS 40 TO 50 KT. SEAS 14 TO 22 FT. ELSEWHERE WITHIN 60 NM
EITHER SIDE OF A LINE FROM 16N95W TO 15N95W TO 13.5N96W TO
12.5N96W N TO NE WINDS 30 TO 40 KT. SEAS 10 TO 14 FT. REMAINDER
OF AREA WITHIN 90 NM EITHER SIDE OF A LINE FROM 16N95W TO 15N95W
TO 12.5N96W TO 11.5N97W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10
FT.
.48 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W
TO 15N95W TO 13N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO
NE WINDS 40 TO 50 KT. SEAS 15 TO 23 FT. ELSEWHERE WITHIN 75 NM
EITHER SIDE OF A LINE FROM 16N95W TO 15N95W TO 13N96W TO 12N97W
N TO NE WINDS 30 TO 40 KT. SEAS 12 TO 18 FT. REMAINDER OF AREA
WITHIN 120 NM EITHER SIDE OF A LINE FROM 16N95W TO 15N95W TO
12N97W TO 10N99W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.SYNOPSIS AND FORECAST.

.FROM 08N TO 20N W OF 125W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO
10 FT. ELSEWHERE N OF 02N W OF 110W TO A LINE FROM 30N130W TO
25N130W TO 25N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT.
.24 HOUR FORECAST FROM 05N TO 20N W OF 115W WINDS 20 KT OR LESS.
SEAS TO 9 FT IN MIXED NE AND NW SWELL. ELSEWHERE FROM 18N TO 27N
BETWEEN 113W AND 121W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW
SWELL.
.48 HOUR FORECAST FROM 08N TO 15N BETWEEN 125W AND 135W NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 07N TO 15N W
OF 125W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED NE AND NW
SWELL.

.GULF OF CALIFORNIA S OF 28N NW TO N WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.12 HOUR FORECAST GULF OF CALIFORNIA NW TO N WINDS 20 TO 30 KT.
SEAS BUILDING TO 9 FT S OF 28N.
.24 HOUR FORECAST GULF OF CALIFORNIA NW TO N WINDS 20 TO 30 KT.
SEAS 8 TO 10 FT S OF 28N.
.36 HOUR FORECAST GULF OF CALIFORNIA NW TO N WINDS 20 TO 30 KT.
SEAS 8 TO 9 FT.
.48 HOUR FORECAST GULF OF CALIFORNIA NW TO N WINDS 20 TO 25 KT.
SEAS 8 TO 9 FT S OF 28N.

.FROM 02N TO 06N BETWEEN 100W AND 110W...AND S OF 00N BETWEEN
107W AND 115W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST N OF 24N BETWEEN 113W AND 118W NE WINDS 20 TO
30 KT. SEAS 8 TO 10 FT.
.36 HOUR FORECAST N OF 27N E OF 117W N TO NE WINDS 20 TO 25 KT.
SEAS 8 TO 9 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST N OF 20N W OF A LINE FROM 30N130W TO 20N138W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL. N OF 28N
BETWEEN 125W AND 130W WINDS 20 KT OR LESS. SEAS 8 FT IN N SWELL.
.48 HOUR FORECAST W OF A LINE FROM 30N126W TO 20N135W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.

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

CONVECTION VALID AT 1500 UTC TUE FEB 25...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS FROM 08N83W TO 03N100W. THE ITCZ
CONTINUES FROM 03N100W TO 03N120W TO 04N140W. SCATTERED MODERATE
CONVECTION IS FROM 04N TO 07N BETWEEN 86W AND 91W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.



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