High Seas Forecast
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
090
FZPN01 KWBC 281602
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SAT JUN 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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

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 1200 UTC JUN 28.
24 HOUR FORECAST VALID 1200 UTC JUN 29.
48 HOUR FORECAST VALID 1200 UTC JUN 30.

.WARNINGS.

...GALE WARNING...
.LOW W OF AREA 49N157E 992 MB DRIFTING SE. N AND W OF A LINE
FROM 36N160E TO 50N174E WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER W OF AREA
48N158E 1003 MB AND NEW SECOND CENTER NW OF AREA 58N171E 1001
MB. WITHIN 480 NM E AND SE QUADRANTS OF SECOND CENTER WINDS 25
TO 35 KT. SEAS TO 3.5 M. ELSEWHERE W OF A LINE FROM 37N166E TO
53N176E WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER NW OF AREA
54N165E 1007 MB AND SECOND CENTER NW OF AREA 62N176W 999 MB.
WITHIN 540 NM E AND 660 NM S QUADRANTS OF SECOND CENTER WINDS 20
TO 30 KT. SEAS TO 3 M. ELSEWHERE WITHIN 420 NM E OF A LINE FROM
51N172E TO 38N160E WINDS TO 25 KT. SEAS TO 2.5 M.

...GALE WARNING...
.FROM 31N TO 43N BETWEEN 123W AND 130W AREA OF NW TO N WINDS 20
TO 30 KT. SEAS TO 3.5 M.
.12 HOUR FORECAST FROM 33N TO 44N BETWEEN 124W AND 129W AREA OF
NW TO N WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST FROM 31N TO 46N BETWEEN 124W AND 130W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS TO 4 M.
.36 HOUR FORECAST FROM 34N TO 47N BETWEEN 124W AND 130W AREA OF
NW TO N WINDS 25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST FROM 31N TO 50N BETWEEN 124W AND 132W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS TO 4 M.

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH MEAN CENTER NEAR 56N145W 1004 MB DRIFTING W.
FROM 45N TO 60N BETWEEN 132W AND 151W WINDS TO 25 KT. SEAS TO
2.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 56N147W 1012
MB. WITHIN 360 NM E QUADRANT WINDS TO 25 KT. SEAS LESS THAN 2.5
M.
.48 HOUR FORECAST COMBINED LOW 53N145W 1016 MB. WINDS LESS THAN
25 KT. SEAS LESS THAN 8 FT.

.LOW 44N160W 1018 MB MOVING NE 30 KT. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 50N143W 1017 MB. WITHIN 300 NM E OF A
FRONT FROM LOW TO 40N155W WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LOW 55N137W 1013 MB. WITHIN 120 NM NE QUADRANT
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.

.48 HOUR FORECAST NEW LOW 36N158W 1019 MB. WITHIN 420 NM NW
SEMICIRCLE WINDS TO 25 KT. SEAS LESS THAN 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 47N
BETWEEN 146W AND 170E...AND FROM 40N TO 53N W OF 170E.
.24 HOUR FORECAST DENSE FOG WITHIN 240 NM E OF A LINE FROM
50N143W TO 40N154W...AND FROM 39N TO 59N W OF 175W.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 56N BETWEEN 131W AND
138W...AND N OF A LINE FROM 58N161W TO 41N176W TO 40N164E.

.FORECASTER KELLS. 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 SAT JUN 28.
24 HOUR FORECAST VALID 1200 UTC SUN JUN 29.
48 HOUR FORECAST VALID 1200 UTC MON JUN 30.

.WARNINGS.

...GALE WARNING...
.LOW PRES NEAR 13N96W 1008 MB. WITHIN 120 NM NW QUADRANT OF
CENTER WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW PRES...PSBL TRPCL CYCLONE...NEAR 14N99W
1007 MB. WITHIN 60 NM OF CENTER...EXCEPT 30 NM SW QUADRANT WINDS
25 TO 35 KT. SEAS 2.5 TO 3 M. ELSEWHERE WITHIN 90 NM OF
CENTER...EXCEPT 60 NM SW QUADRANT WINDS 20 TO 25 KT. SEAS 2.5 M.
.48 HOUR FORECAST FORECAST LOW PRES...PSBL TRPCL CYCLONE...NEAR
16N101.5W 1006 MB. WITHIN 90 NM OF CENTER...EXCEPT 60 NM SW
QUADRANT WINDS 30 TO 40 KT. SEAS 3 TO 4 M. ELSEWHERE WITHIN 120
NM OF CENTER...EXCEPT 90 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS
2.5 TO 3 M.

.SYNOPSIS AND FORECAST.

.S OF 02S BETWEEN 97W AND 113W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN SE TO S SWELL.
.24 HOUR FORECAST S OF 02S BETWEEN 81W AND 115W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN SE TO S SWELL.
.48 HOUR FORECAST S OF 01S BETWEEN 81W AND 100W...AND S OF A
LINE FROM 01S100W TO 00N120W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN SE TO S SWELL.

.12 HOUR FORECAST FROM 10.5N TO 11.5N E OF 88W...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 1500 UTC SAT JUN 28...

.INVEST EP95...SCATTERED MODERATE TO STRONG CONVECTION IS NOTED
N OF 11N BETWEEN 92W AND 100W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 10N85W TO 1008 MB LOW (EP95)
NEAR 13N96W TO 12N110W TO 08N128W. THE ITCZ CONTINUES FROM
08N128W TO BEYOND 07N140W. ASIDE FROM THE CONVECTION RELATED TO
EP95...SCATTERED MODERATE TO STRONG CONVECTION CAN BE FOUND FROM
07N TO 11N BETWEEN 95W AND 100W...FROM 10N TO 16N BETWEEN 100W
AND 122W...AND FROM 05N TO 10N W OF 122W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.