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
518
FZPN01 KWBC 140342
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC MON JUL 14 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JUL 14.
24 HOUR FORECAST VALID 0000 UTC JUL 15.
48 HOUR FORECAST VALID 0000 UTC JUL 16.

.WARNINGS.

...GALE WARNING...
.FROM 41N TO 43N BETWEEN 124W AND 126W WINDS 25 TO 35 KT. SEAS
3.5 TO 4.5 M. ELSEWHERE FROM 37N TO 46N BETWEEN 123W AND 131W
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST FROM 40N TO 43N BETWEEN 124W AND 126W WINDS 30
TO 40 KT. SEAS 3 TO 5 M. ELSEWHERE FROM 33N TO 45N BETWEEN 123W
AND 135W WINDS 20 TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST FROM 34N TO 46N BETWEEN 123W AND 135W WINDS 20
TO 30 KT. SEAS TO 4 M.

...GALE WARNING...
.FROM 47N TO 50N E OF 129W WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST FROM 47N TO 50N BETWEEN 126W AND 130W WINDS 25
TO 35 KT. SEAS TO 3.5 M. ELSEWHERE FROM 45N TO 55N E OF 134W
WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST FROM 50N TO 54N E OF 136W WINDS 25 TO 35 KT.
SEAS TO 3.5 M. ELSEWHERE FROM 46N TO 58N E OF 129W WINDS 20 TO 30
KT. SEAS TO 3 M.

...GALE WARNING...
.W OF A LINE FROM 60N177W TO 50N177E TO 40N167E WINDS 20 TO 30
KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW W OF AREA 56N168E 992 MB. WITHIN 540 NM S
AND 780 NM E QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.
.36 HOUR FORECAST LOW W OF AREA 58N174E 987 MB. WITHIN 420 NM E
AND 240 NM S QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW W OF AREA 60N176E 986 MB. WITHIN 360 NM E
AND 240 NM S QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M.
ELSEWHERE ACROSS THE BERING SEA N OF THE ALEUTIAN ISLANDS W OF
164W WINDS 20 TO 30 KT. SEAS TO 3.5 M.

.SYNOPSIS AND FORECAST.

.LOW 48N153W 1018 MB MOVING NE 20 KT. WITHIN 360 NM S AND SE
QUADRANTS WINDS TO 25  KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.LOW 37N166W 1019 MB MOVING NE 20 KT. WITHIN 240 NM SE SEMICIRCLE
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW 43N161W 1020 MB. WITHIN 300 NM SE
SEMICIRCLE WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LOW 52N159W 1019 MB. WITHIN 240 NM S AND SE
QUADRANTS AND FROM 42N TO 54N BETWEEN 147W AND 156W WINDS 20 TO
30 KT. SEAS TO 2.5 M.

.48 HOUR FORECAST FROM 42N TO 49N BETWEEN 170E AND 160E WINDS 20
TO 30 KT. SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 50N
BETWEEN 144W AND 156W AND W OF A LINE FROM 57N175E TO 40N166E.
.24 HOUR FORECAST DENSE FOG N OF 40N W OF 180W AND WITHIN 120 NM
EITHER SIDE OF A LINE FROM 52N150W TO 43N160W.
.48 HOUR FORECAST DENSE FOG FROM 45N TO 56N BETWEEN 152W AND 161W
AND FROM 40N TO 53N BETWEEN 175W AND 160E.

.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 MON JUL 14.
24 HOUR FORECAST VALID 0000 UTC TUE JUL 15.
48 HOUR FORECAST VALID 0000 UTC WED JUL 16.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 02N123W TO 02N136W TO 01N140W TO 03.4S120W TO 01S120W TO
03.4S99W TO 02N123W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
SWELL.
.24 HOUR FORECAST WITHIN 01N103W TO 06N111W TO 05N124W TO
00N133W TO 03.4S120W TO 03.4S91W TO 01N103W...EXCEPT LEE OF
GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
SWELL.
.48 HOUR FORECAST WITHIN 00N103W TO 06N118W TO 05N120W TO
03.4S120W TO 03.4S91W TO 00N103W...EXCEPT LEE OF GALAPAGOS
ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL.

.03 HOUR FORECAST WITHIN 11N86W TO 12N88W TO 11N88W TO 10N88W TO
10N87W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 10N88W TO 10N87W TO
10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

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

CONVECTION VALID AT 0230 UTC MON JUL 14...

.TROPICAL WAVE NEAR 100W. SCATTERED MODERATE OVER NORTHERN HALF
OF WAVE.

.TROPICAL WAVE NEAR 130W. SCATTERED MODERATE FROM 07N TO 14N
BETWEEN 126W AND 134W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N93W TO 09N100W TO 10N129W. ITCZ FROM
10N129W TO 10N139W. SCATTERED MODERATE NOTED FROM 05N TO 09N
BETWEEN 90W AND 98W...FROM 06N TO 12N BETWEEN 108W AND 117W...AND
ALONG ITCZ BETWEEN 122W AND 127W.


.FORECASTER ERA. NATIONAL HURRICANE CENTER.

$$