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
946
FZPN02 KWBC 081725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC TUE JUL 08 2025

CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUL 08.
24 HOUR FORECAST VALID 1200 UTC JUL 09.
48 HOUR FORECAST VALID 1200 UTC JUL 10.

.WARNINGS.

...GALE WARNING...
.LOW W OF AREA 46N156E 1003 MB MOVING NE 15 KT. W OF A LINE FROM
40N180W TO 51N162E WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.12 HOUR FORECAST LOW 47N162E 999 MB. FROM 39N TO 49N W OF 168E
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 47N166E 995 MB. W OF A LINE FROM 38N170W
TO 42N170W TO 52N169E WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW 48N172E 1001 MB. WITHIN 240 NM S
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE WITHIN AN
AREA BOUNDED BY A LINE FROM 44N160W TO 51N167E TO 38N164E TO
40N160W TO 44N160W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.

...GALE WARNING...
.24 HOUR FORECAST WITHIN 90 NM EITHER SIDE OF A LINE FROM
47N157W TO 40N169W AREA OF SW WINDS 25 TO 35 KT. SEAS 2.5 TO 4
M. ELSEWHERE WITHIN 180 NM EITHER SIDE OF A LINE FROM 40N170W TO
44N158W TO 45N152W AREA OF SW WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST NEW LOW 54N150W 1000 MB. WITHIN 300 NM
NW...420 NM NE...600 NM SE...AND 960 NM SW QUADRANTS WINDS 20 TO
30 KT. SEAS 2.5 TO 4 M.

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH MAIN CENTER 53N174W 999 MB MOVING NE 10 KT.
FROM 39N TO 55N BETWEEN 149W AND 180W WINDS 20 TO 30 KT. SEAS
2.5 TO 4 M...HIGHEST NEAR 46N167W.
.24 HOUR FORECAST LOW 54N167W 999 MB. WITHIN 480 NM S SEMICIRCLE
WINDS TO 25 KT. SEAS TO 3 M. ELSEWHERE WITHIN 60 NM EITHER SIDE
OF A LINE FROM 53N146W TO 55N156W TO 55N162W AREA OF E TO SE
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LOW 57N162W 1002 MB. CONDITIONS DESCRIBED WITH
LOW 54N150W IN WARNINGS SECTION ABOVE.

.LOW 37N125W 1014 MB NEARLY STATIONARY THEN DRIFTING NE AFTER 12
HOURS. FROM 35N TO 41N BETWEEN 125W AND 133W AREA OF NW TO N
WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.
.48 HOUR FORECAST FROM 32N TO 42N BETWEEN 120W AND 129W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS TO 3 M.

.N OF 62N W OF ALASKA AREA OF NW TO N WINDS 20 TO 30 KT. SEAS TO
2.5 M.
.24 HOUR FORECAST NEW LOW JUST NW OF AREA 60N179E 1005 MB. N OF
A LINE FROM 61N177W TO 61N170W TO 62N166W AREA OF N TO NE WINDS
20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW JUST NW OF AREA 58N175E 1003 MB. N OF A
LINE FROM 58N178E TO 58N177W TO 64N163W AREA OF N TO NE WINDS 20
TO 30 KT. SEAS 2.5 TO 4 M.

.FROM 43N TO 46N BETWEEN 139W AND 148W AREA OF SW TO W WINDS TO
25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST FROM 44N TO 49N BETWEEN 136W AND 152W AREA OF
SW TO W WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 54N150W IN
WARNINGS SECTION ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM W OF A LINE FROM
40N177E TO 49N162E...WITHIN AN AREA BOUNDED BY A LINE FROM
43N173W TO 53N164W TO 47N146W TO 41N158W TO 43N173W...AND WITHIN
90 NM OF 51N128W AND 52N179W.
.24 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY A LINE
FROM 48N163E TO 43N172W TO 49N161W TO 49N139W TO 43N148W TO
40N175W TO 41N167E TO 46N163E TO 48N163E...AND E OF A LINE FROM
51N127W TO 47N125W.
.48 HOUR FORECAST DENSE FOG WITHIN 60 NM OF 43N125W...WITHIN 60
NM EITHER SIDE OF A LINE FROM 61N149W TO 56N155W...FROM 48N TO
55N BETWEEN 137W AND 151W...FROM 42N TO 46N BETWEEN 156W AND
180W...AND WITHIN 60 NM EITHER SIDE OF A LINE FROM 47N151W TO
45N156W.

.FORECASTER FIGURSKEY. 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 JUL 8.
24 HOUR FORECAST VALID 1200 UTC WED JUL  9.
48 HOUR FORECAST VALID 1200 UTC THU JUL 10.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 11N86W TO 12N86W TO 11N89W TO 10N89W 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 LITTLE CHANGE.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.06 HOUR FORECAST WITHIN 03S118W TO 02.5S120W TO 03.4S120W TO
03.4S116W TO 03S118W WINDS 20 KT OR LESS. SEAS 2.5 M IN SE TO S
SWELL.
.24 HOUR FORECAST WITHIN 01S109W TO 01S118W TO 00N120W TO
03.4S120W TO 03.4S105W TO 01S109W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN SE TO S SWELL.
.48 HOUR FORECAST WITHIN 04N116W TO 05N129W TO 00N137W TO
00N120W TO 03.4S120W TO 03.4S95W TO 04N116W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN SE TO S SWELL.

.21 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 14.5N95W TO
14.5N94.5W TO 15N94.5W TO 16N94.5W...INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.30 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 1400 UTC TUE JUL 8...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM LOW PRES OVER NORTHERN COLOMBIA NEAR 10N76W
TO 09N86W TO 12N113W TO 08N120W. ITCZ FROM 08N120W TO BEYOND
07N140W. SCATTERED MODERATE FROM 04N TO 08N BETWEEN 77W AND
81W...AND FROM 04N TO 14N BETWEEN 109W AND 114W. SIMILAR
CONVECTION WITHIN 180 NM OF COAST OF MEXICO BETWEEN 92W AND 105W.

$$

.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1200 UTC JUL 08 2025.
24 HOUR FORECAST VALID 1200 UTC JUL 09 2025.
48 HOUR FORECAST VALID 1200 UTC JUL 10 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N171E 21N167E MOVING NW 10 KT. WINDS 20 TO 25 KT WITHIN
120 NM E OF TROUGH. ISOLATED MODERATE TSTMS FROM 20N TO 27N
BETWEEN
170E AND 177E... AND WITHIN 60 NM W OF TROUGH.
.24 HOUR FORECAST TROUGH 30N166E 23N161E. WINDS DIMINISHED TO 20
KT OR LESS.
.48 HOUR FORECAST TROUGH 30N161E 27N160E.

.TROUGH 10N170E 05N169E MOVING W 15 KT. ISOLATED MODERATE TSTMS
WITHIN 180 NM OF TROUGH... AND FROM 04N TO 10N W OF 170E.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.WINDS 20 TO 25 KT FROM 15N TO 24N BETWEEN 160W AND 147W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 15N TO 22N BETWEEN 164W
AND 150W.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 2.5 TO 3 M S OF 05N BETWEEN 167W AND 150W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 08N TO 13N BETWEEN 175W
AND 155W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 06N TO 13N BETWEEN 170E
AND 170W.

.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.

.ITCZ 05N140W 05N160W 03N166W 02N175W.

.ISOLATED MODERATE TSTMS S OF 07N BETWEEN 180E AND 170W.

$$

.FORECASTER SHIGESATO. HONOLULU HI.