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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZPN01 KWBC 272152
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC MON APR 27 2015

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT
TO 50N 160E

SYNOPSIS VALID 1800 UTC APR 27.
24 HOUR FORECAST VALID 1800 UTC APR 28.
48 HOUR FORECAST VALID 1800 UTC APR 29.

.WARNINGS.

...STORM WARNING...
.LOW 45N136W 1000 MB MOVING N 30 KT AND INTENSIFYING. FRONT
EXTENDS FROM 52N128W TO 49N133W TO LOW CENTER TO 34N139W. WITHIN
240 NM SE AND E AND 180 NM W OF THE FRONT WINDS 25 TO 40 KT.
SEAS 8 TO 15 FT.
.18 HOUR FORECAST LOW 54N133W 979 MB. WITHIN 300 NM SE QUADRANT
WINDS 40 TO 55 KT. SEAS 15 TO 26 FT.
.24 HOUR FORECAST LOW 56N135W 982 MB. WITHIN 120 NM SE QUADRANT
WINDS 35 TO 45 KT. SEAS 10 TO 17 FT. ELSEWHERE WITHIN 420 NM SE
AND 540 NM S QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.
.48 HOUR FORECAST LOW WELL INLAND AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.LOW 54N145W 989 MB DRIFTING E 05 KT. BETWEEN 120 NM AND 300 NM
NE QUADRANT AND WITHIN 240 NM S AND SW QUADRANTS WINDS 25 TO 35
KT. SEAS 10 TO 16 FT. ELSEWHERE WITHIN 360 NM NE...300 NM
SE...840 NM S...AND 300 NM SW AND NW QUADRANTS WINDS 20 TO 30
KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 54N142W 992 MB. EXCEPT WHERE DESCRIBED IN
STORM WARNING ABOVE...WITHIN 300 NM S SEMICIRCLE WINDS 25 TO 35
KT. SEAS 9 TO 15 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 57N176W 995 MB DRIFTING NW WILL TURN W 10 KT. FROM 42N TO
46N BETWEEN 156W AND 166W...AND WITHIN 180 NM S SEMICIRCLE WINDS
25 TO 35 KT. SEAS 9 TO 14 FT. ELSEWHERE WITHIN 300 NM S AND SW
OF A FRONT EXTENDING FROM 57N179W TO 57N173W TO 50N160W...AND
WITHIN 420 NM S OF A FRONT EXTENDING FROM 47N160W TO 47N171W
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 57N178E 994 MB. OVER ICE FREE FORECAST
WATERS WITHIN 300 NM N AND NW QUADRANTS WINDS 20 TO 30 KT. SEAS
TO 10 FT.
.48 HOUR FORECAST LOW 55N178W 999 MB. WITHIN 420 NM S AND SW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.

...GALE WARNING...
.LOW 46N179E 1010 MB MOVING NE 30 KT. FRONT EXTENDS FROM 47N171W
TO LOW CENTER TO 36N169E. WITHIN 420 NM S QUADRANT WINDS 25 TO
35 KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN 420 NM S AND SE OF THE
FRONT WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW ABSORBED BY LOW 54N176W DESCRIBED BELOW.
FROM 39N TO 46N BETWEEN 137W AND 170W AREA OF W TO SW WINDS 20
TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST CONDITIONS ABSORBED WITH LOW 56N152W BELOW.

...GALE WARNING...
.LOW 50N165E 994 MB MOVING NE 30 KT. OVER FORECAST WATERS WITHIN
300 NM S AND 360 NM SW QUADRANTS...AND WITHIN 180 NM SE OF A
FRONT EXTENDING FROM 51N172E TO 44N160E WINDS 25 TO 35 KT. SEAS
8 TO 12 FT.
.24 HOUR FORECAST LOW 54N176W 989 MB. WITHIN 420 NM S SEMICIRCLE
EXCEPT 540 NM S QUADRANT WINDS 25 TO 40 KT. SEAS 9 TO 17 FT.
.48 HOUR FORECAST LOW 56N152W 996 MB. WITHIN 480 NM S AND SW AND
900 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 45N172W 1013 MB. FRONT TO EXTEND FROM
45N164W TO LOW CENTER TO 38N178E. WITHIN 300 NM S AND SE OF THE
FRONT WINDS 25 TO 35 KT. SEAS TO 11 FT.

.SYNOPSIS AND FORECAST.

.EXCEPT WHERE DESCRIBED IN WARNINGS SECTION ABOVE...OVER
FORECAST WATERS FROM 30N TO 33N BETWEEN 145W AND 168W AREA OF N
TO NE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST CONDITIONS MOVED S OF THE AREA.

.24 HOUR FORECAST FROM 32N TO 36N BETWEEN 121W AND 125W AREA OF
N TO NW WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST OVER FORECAST WATERS WITHIN A REGION BOUNDED
BY THE POINTS 42N125W...30N135W...30N122W AND 35N121W AREA OF N
WINDS 20 TO 30 KT. SEAS 9 TO 15 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM S AND
SE OF A FRONT FROM 47N171W TO 46N179E TO 41N175E.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM S OF A LINE FROM
47N161W TO 44N163W TO 42N173W.
.48 HOUR FORECAST DENSE FOG FROM 41N TO 45N BETWEEN 162W AND
174W.

.HIGH 31N134W 1025 MB MOVING S 10 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 37N166W 1036 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH 35N158W 1034 MB.
.48 HOUR FORECAST HIGH 35N155W 1035 MB.

.HIGH W OF FORECAST AREA NEAR 37N159E 1024 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.48 HOUR FORECAST HIGH 42N169E 1023 MB.

.48 HOUR FORECAST HIGH 37N163E 1022 MB.

.FORECASTER REINHART. 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 1800 UTC MON APR 27.
24 HOUR FORECAST VALID 1800 UTC TUE APR 28.
48 HOUR FORECAST VALID 1800 UTC WED APR 29.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 24N BETWEEN 116W AND 123W WINDS 20 KT OR LESS. SEAS 8 TO
9 FT IN NW TO N SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 10N TO 13N BETWEEN 129W AND 135W NE WINDS 20 TO 25 KT.
SEAS 9 TO 10 FT. ELSEWHERE WITHIN AREA BOUNDED BY 15N140W TO
15N130W TO 11N115W TO 06N115W TO 06N140W TO 15N140W WINDS 20 KT
OR LESS. SEAS 8 TO 10 FT PRIMARILY IN NE SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 19N140W TO 11N130W TO
08N130W TO 08N140W TO 19N140W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT PRIMARILY IN NE SWELL.
.48 HOUR FORECAST FROM 08N TO 14N W OF 137W WINDS 20 KT OR LESS.
SEAS 8 FT PRIMARILY IN NE SWELL.

.S OF A LINE FROM 03.4S95W TO 07N105W TO 07N115W TO 00N120W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SW AND NW SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST W OF A LINE FROM 30N139W TO 29N140W WINDS 20
KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.24 HOUR FORECAST W OF A LINE FROM 30N137W TO 28N140W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST W OF A LINE FROM 30N120W TO 20N137W TO 14N137W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN NW SWELL.

.42 HOUR FORECAST N OF 14N BETWEEN 94W AND 95.5W...INCLUDING THE
GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W
TO 13.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
20 TO 30 KT. SEAS 8 TO 11 FT.

.42 HOUR FORECAST S OF 02S W OF 108W WINDS 20 KT OR LESS. SEAS 8
FT IN SW SWELL.
.48 HOUR FORECAST S OF 01S W OF 105W WINDS 20 KT OR LESS. SEAS 8
TO 9 FT IN SW SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID 2100 UTC MON APR 27...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 06N89W TO 13N105W TO LOW PRES NEAR 07N118W TO
04N125W TO 07N140W. SCATTERED MODERATE ISOLATED STRONG FROM
03N TO 06N BETWEEN 90W AND 95W...FROM 04N TO 08N BETWEEN 100W
AND 105W...WITHIN 300 NM SE OF AXIS BETWEEN 104W AND 113W...AND
WITHIN 360 NM SE SEMICIRCLE OF LOW.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.