FZPN01 KWBC 201610
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI MAR 20 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAR 20.
24 HOUR FORECAST VALID 1200 UTC MAR 21.
48 HOUR FORECAST VALID 1200 UTC MAR 22.

.WARNINGS.

...STORM WARNING...
.LOW 53N156W 1008 MB MOVING SE 25 KT THEN TURNING E AFTER 12
HOURS. WITHIN 480 NM SW SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO
4 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 53N144W 996 MB.
WITHIN 150 NM SW SEMICIRCLE WINDS 35 TO 50 KT. SEAS 3 TO 5 M.
ELSEWHERE WITHIN 600 NM S SEMICIRCLE AND WITHIN 420 NM NE AND 480
NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M...HIGHEST SW
OF CENTER.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 57N141W 993
MB. WITHIN 90 NM SE SEMICIRCLE WINDS 35 TO 45 KT. SEAS 3 TO 5.5
M. ELSEWHERE FROM 46N TO 60N BETWEEN 134W AND 163W WINDS 25 TO 35
KT. SEAS 2.5 TO 5 M...HIGHEST NEAR 53N149W.

...GALE WARNING...
.LOW 58N150W 998 MB MOVING NW 10 KT. WITHIN 420 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 55N152W 1004 MB. CONDITIONS DESCRIBED BY
LOW 53N144W ABOVE.

...GALE WARNING...
.LOW W OF AREA 42N176E 1014 MB MOVING N 10 KT. WITHIN 360 NM SW
OF A LINE FROM 47N180W TO 35N170W WINDS 25 TO 35 KT. SEAS 2.5 TO
5 M.
.24 HOUR FORECAST LOW DISSIPATED. WITHIN 300 NM SW OF A LINE FROM
52N180W TO 48N174W TO 39N174W WINDS 20 TO 30 KT. SEAS 2.5 TO 4
M.
.48 HOUR FORECAST W OF A LINE FROM 55N180W TO 46N169W WINDS 20 TO
30 KT. SEAS 2.5 TO 4.5 M.

...GALE WARNING...
.LOW S OF AREA 24N163W 1007 MB NEARLY STATIONARY. S OF 35N
BETWEEN 144W AND 174W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.12 HOUR FORECAST COMPLEX LOW S OF AREA WITH MEAN CENTER NEAR
24N163W 1006 MB. S OF 34N BETWEEN 141W AND 167W WINDS 25 TO 35
KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER S OF AREA 24N164W
1007 MB. S OF 34N BETWEEN 146W AND 168W WINDS 25 TO 35 KT. SEAS 3
TO 5.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 30N154W 1007
MB. S OF 39N BETWEEN 138W AND 166W WINDS 20 TO 30 KT. SEAS 3 TO 5
M.

...GALE WARNING...
.36 HOUR FORECAST FROM 33N TO 43N BETWEEN 121W AND 128W AREA OF N
TO NW WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST FROM 32N TO 44N BETWEEN 120W AND 129W AREA OF N
TO NW WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 57N151W TO
52N161W TO 54N171W TO 59N178E. ELSEWHERE LIGHT TO MODERATE
FREEZING SPRAY N OF A LINE FROM 59N144W TO 51N153W TO 52N171W TO
57N176E.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 56N154W TO 53N158W TO 53N166W TO 57N174W. ELSEWHERE LIGHT TO
MODERATE FREEZING SPRAY N OF 50N BETWEEN 145W AND 178W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 54N
BETWEEN 155W AND 169W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY
N OF 51N BETWEEN 153W AND 178W.

.SYNOPSIS AND FORECAST.

.RESUSPENDED ASH IS POSSIBLE OVER THE BERING SEA AND NORTH
CENTRAL PACIFIC OCEAN DOWNWIND OF SHEVELUCH VOLCANO NEAR 56.4N
161.2E. THERE IS NO ERUPTION. IF MARINERS ENCOUNTER VOLCANIC ASH
YOU ARE ENCOURAGED TO REPORT THE OBSERVATION TO THE OCEAN
PREDICTION CENTER BY CALLING 301 683 1520.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 50N E OF
128W AND N OF 56N BETWEEN 161W AND 169W.
.24 HOUR FORECAST DENSE FOG N OF 51N BETWEEN 134W AND 147W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 49N W OF 168W.

.FORECASTER HYDE. 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 FRI MAR 20.
24 HOUR FORECAST VALID 1200 UTC SAT MAR 21.
48 HOUR FORECAST VALID 1200 UTC SUN MAR 22.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N95W TO 16N96W TO 14N96W TO 13N96W TO 13N95W TO 14N95W
TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 25
TO 35 KT. SEAS 3.5 TO 4.5 M. ELSEWHERE...WITHIN 14N94W TO 16N94W
TO 16N95W TO 13N97W TO 11N98W TO 12N95W TO 14N94W N TO NE WINDS
20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST WITHIN 14N94W TO 15N94W TO 16N95W TO 13N98W TO
11N98W TO 11N96W TO 14N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS TO 2.5 M.

.SYNOPSIS AND FORECAST.

.WITHIN 11N86W TO 11N88W TO 10N88W TO 10N86W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 1430 UTC FRI MAR 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 08N77W TO 05N91W. ITCZ FROM 05N91W TO
00N140W. SCATTERED MODERATE FROM 05N TO 08N BETWEEN 119W AND
125W.


.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.

$$