407
FZPN01 KWBC 190420
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SAT SEP 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).

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 0000 UTC SEP 19.
24 HOUR FORECAST VALID 0000 UTC SEP 20.
48 HOUR FORECAST VALID 0000 UTC SEP 21.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 50N160W 996 MB MOVING NE 20 KT.
FROM 42N TO 53N BETWEEN 155W AND 180W WINDS 25 TO 40 KT. SEAS 2.5
TO 4 M.
.24 HOUR FORECAST LOW 53N149W 976 MB. WITHIN 240 NM S AND SW
QUADRANTS WINDS 35 TO 50 KT. SEAS 4 TO 6.5 M. EXCLUDING THE
BERING SEA...N OF A LINE FROM 43N170W TO 45N135W TO 52N130W WINDS
20 TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 60N146W 982 MB. EXCLUDING THE BERING SEA
WITHIN 120 NM EITHER SIDE OF A LINE FROM 58N137W TO 54N146W TO
56N158W WINDS 25 TO 35 KT. SEAS 3.5 TO 7 M...HIGHEST ACROSS THE
NE OF GULF OF ALASKA NEAR 57N138W. ELSEWHERE EXCLUDING THE BERING
SEA N OF A LINE FROM 53N165W TO 45N148W TO 52N132W WINDS 20 TO 30
KT. SEAS 2.5 TO 5 M.

...GALE WARNING...
.LOW 59N145W 994 MB MOVING N 10 KT. N OF 56N BETWEEN 136W AND
148W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. ELSEWHERE WITHIN 240 NM
E OF A FRONT FROM 56N140W TO 43N145W WINDS 20 TO 30 KT. SEAS TO
3.5 M.
.24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.

.SYNOPSIS AND FORECAST.

.E OF A LINE FROM 40N126W TO 32N121W WINDS TO 25 KT. SEAS LESS
THAN 2.5 M.
.24 HOUR FORECAST E OF A LINE FROM 40N127W TO 33N123W WINDS TO 25
KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 43N TO 36N E OF 128W WINDS 20 TO 30 KT.
SEAS TO 3 M.

.ACROSS THE BERING SEA W OF A LINE FROM 53N170W TO 64N163W WINDS
20 TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST N OF THE ALEUTIAN ISLANDS BETWEEN 160W AND 172W
WINDS 20 TO 30 KT. SEAS TO 4 M. WINDS AND SEAS HIGHEST NEAR
56N165W.
.48 HOUR FORECAST N OF THE ALEUTIAN ISLANDS TO 60N WINDS 20 TO 30
KT. SEAS TO 4 M. WINDS AND SEAS HIGHEST NEAR 57N161W. ALSO N OF
60N W OF 164W WINDS TO 25 KT. SEAS TO 2.5 M.

.24 HOUR FORECAST FROM 45N TO 51N BETWEEN 175W AND 180W WINDS TO
25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 42N TO 49N BETWEEN 156W AND 168W WINDS 20
TO 30 KT. SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF A LINE FROM
55N136W TO 59N150W.
.24 HOUR FORECAST DENSE FOG N OF A LINE FROM 54N135W TO 59N141W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.FORECASTER COLLINS. 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 0000 UTC SAT SEP 19.
24 HOUR FORECAST VALID 0000 UTC SUN SEP 20.
48 HOUR FORECAST VALID 0000 UTC MON SEP 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 22.5N139.5W TO 22.5N140W TO 20N140W TO 20.5N139.5W TO
21N139W TO 22.5N139.5W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
E SWELL.
.24 HOUR FORECAST WITHIN 22N134W TO 23N138W TO 22N140W TO
21N140W TO 19N136W TO 20N133W TO 22N134W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 20N133W TO 23N138W TO 23N140W TO
16N140W TO 15N135W TO 20N133W NE TO E WINDS 20 TO 30 KT. SEAS 2.5
TO 3.0 M.

.WITHIN 29N114W TO 29N116W TO 27N116W TO 28N115W TO 26N114W TO
27N114W TO 29N114W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN
60 NM OF SHORE...NW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING
THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.18 HOUR FORECAST WITHIN 09N104W TO 10N104W TO 11N105W TO
08N107W TO 05N106W TO 07N104W TO 09N104W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 13N103W TO 14N106W TO 08N107W TO
06N108W TO 08N103W TO 09N102W TO 13N103W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 15N102W TO 17N104W TO 15N107W TO
13N105W TO 10N106W TO 11N103W TO 15N102W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.

.36 HOUR FORECAST WITHIN 12N122W TO 14N123W TO 12N126W TO
10N126W TO 09N125W TO 10N123W TO 12N122W SE TO S WINDS 20 TO 25
KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 12N121W TO 16N126W TO 15N129W TO
10N129W TO 08N125W TO 09N122W TO 12N121W SE TO S WINDS 20 TO 30
KT. SEAS 2.5 TO 3.0 M.

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

CONVECTION VALID AT 0350 UTC SAT SEP 19...

.INVEST EP98...SCATTERED MODERATE TO ISOLATED STRONG FROM 05N TO
17N BETWEEN 115W AND 125W.

.INVEST EP99...SCATTERED MODERATE TO ISOLATED STRONG FROM 05N TO
15N BETWEEN 100W AND 110W.

.TROPICAL WAVE WITH AXIS NEAR 81W...NUMEROUS MODERATE TO STRONG
FROM 02N TO 10N BETWEEN 77W AND 85W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS FROM 08N83W TO 08N100W TO
12N120W TO 17N137W TO 15N140W. SCATTERED MODERATE TO ISOLATED
STRONG FROM 03N TO 13N BETWEEN 90W AND 100W...AND FROM 09N TO
21N BETWEEN 125W AND 135W.


.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

$$