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 251600
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU DEC 25 2014

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC DEC 25.
24 HOUR FORECAST VALID 1200 UTC DEC 26.
48 HOUR FORECAST VALID 1200 UTC DEC 27.

.WARNINGS.

...STORM WARNING...
.LOW 46N169E 983 MB MOVING N 30 KT. WITHIN 300 NM E AND SE OF A
FRONT FROM LOW CENTER TO 41N168E TO 35N160E WINDS 30 TO 45 KT.
SEAS 14 TO 21 FT. ELSEWHERE FROM 30N TO 49N E OF 179E WINDS 25
TO 40 KT. SEAS 11 TO 19 FT.
.06 HOUR FORECAST LOW 49N171E 977 MB. WITHIN 240 NM E AND 540 NM
SE QUADRANTS WINDS 35 TO 50 KT. SEAS 14 TO 24 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 54N172E 963 MB.
FRONT TO EXTEND FROM 53N171E TO 56N175W TO 37N178E. WITHIN 180 S
SEMICIRCLE AND 180 NM N AND E OF THE FRONT N OF 39N WINDS 40 TO
55 KT. SEAS 16 TO 28 FT. ELSEWHERE N AND W OF A LINE FROM
41N160E TO 34N175W TO 52N163W TO 62N176W WINDS 25 TO 40 KT. SEAS
11 TO 21 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 55N170E 963 MB.
BETWEEN 420 NM AND 840 NM NE AND BETWEEN 300 NM AND 540 NM S
QUADRANTS WINDS 30 TO 45 KT. SEAS 16 TO 23 FT. ELSEWHERE N AND W
OF A LINE FROM 44N160E TO 44N180W TO 54N158W TO 65N166W WINDS 25
TO 40 KT. SEAS 11 TO 21 FT.

...GALE WARNING...
.FROM 31N TO 50N BETWEEN 118W AND 130W AREA OF N TO NW WINDS 25
TO 40 KT. SEAS 11 TO 17 FT.
.24 HOUR FORECAST FROM 31N TO 40N BETWEEN 118W AND 127W AREA OF
N WINDS 25 TO 35 KT. SEAS 9 TO 14 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW S OF AREA NEAR 27N158W 1004 MB MOVING N 10 KT. OVER
FORECAST WATERS WITHIN 360 NM NW AND 780 NM NE QUADRANTS WINDS
20 TO 30 KT. SEAS 8 TO 14 FT.
.12 HOUR FORECAST LOW S OF AREA NEAR 29N155W 998 MB. WITHIN 300
NM NE QUADRANT WINDS 25 TO 35 KT. SEAS 12 TO 17 FT.
.24 HOUR FORECAST LOW 32N155W 992 MB. WITHIN 720 NM E...NE AND
NW AND 420 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST LOW 38N155W 987 MB. FROM 30N TO 47N BETWEEN
137W AND 165W WINDS 25 TO 40 KT. SEAS 11 TO 21 FT.

...GALE WARNING...
.OVER ICE FREE WATERS N OF A FRONT FROM 60N163W TO 55N176E TO
57N177E WINDS 25 TO 40 KT. SEAS 10 TO 19 FT.
.24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 54N172E NOTED
ABOVE.

...GALE WARNING...
.LOW 54N180W 986 MB MOVING NW 10 KT. WITHIN 420 NM SE AND 240 NM
S AND SW QUADRANTS WINDS 30 TO 45 KT. SEAS 17 TO 31 FT.
ELSEWHERE WITHIN 300 NM SW AND 600 NM SE QUADRANTS WINDS 25 TO
35 KT. SEAS 14 TO 23 FT.
.24 HOUR FORECAST MERGED LOW 59N159W 1006 MB. WITHIN 300 NM S
AND 600 NM E QUADRANTS WINDS 25 TO 35 KT. SEAS 11 TO 16 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND. CONDITIONS DIMINISHED.

...GALE EARNING...
.LOW 57N172W 987 MB MOVING NE 20 KT. EXCEPT WHERE NOTED
ABOVE...WITHIN 600 NM S AND 780 NM SE QUADRANTS WINDS 25 TO 40
KT. SEAS 10 TO 23 FT...HIGHEST S QUADRANT.
.24 HOUR FORECAST MERGED LOW AND CONDITIONS DESCRIBED WITH LOW
59N159W NOTED ABOVE.

...GALE WARNING...
.WITHIN 180 NM S AND SE OF A FRONT FROM 48N131W TO 49N148W TO
43N163W TO 34N171W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST NEW LOW 53N147W 1017 MB. WITHIN 180 NM S
QUADRANT AND WITHIN 240 NM N OF A FRONT TO EXTEND FROM THE LOW
TO 35N160W WINDS TO 25 KT. SEAS TO 12 FT.
.36 HOUR FORECAST LOW 55N138W 1014 MB. WITHIN 180 NM SW
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 11 TO 17 FT.
.48 HOUR FORECAST LOW INLAND 53N130W 1010 MB. WITHIN 300 NM SW
AND 420 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 20 FT.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 41N168E 1000 MB. WITHIN 240 NM SE AND
540 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 17 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
N OF 60N W OF ALASKA.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST FROM 32N TO 38N W OF 169E WINDS TO 25 KT. SEAS
11 TO 18 FT WITH W TO NW SWELL.
.48 HOUR FORECAST NEW LOW 41N177W 1007 MB. WITHIN 180 NM SE
SEMICIRCLE WINDS 20 TO 30 KT. SEAS 11 TO 15 FT.

.48 HOUR FORECAST EXCEPT WHERE NOTED ABOVE FROM 47N TO 53N
BETWEEN 144W AND 159W WINDS 20 TO 30 KT. SEAS 11 TO 14 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM OF
35N153W AND 44N169E.
.24 HOUR FORECAST DENSE FOG FROM 33N TO 44N BETWEEN 149W AND
154W AND FROM 42N TO 47N BETWEEN 175W AND 177W.
.48 HOUR FORECAST DENSE FOG FROM 34N TO 48N BETWEEN 145W AND
158W.

.HIGH 41N140W 1036 MB MOVING NE 10 KT.
.24 HOUR FORECAST HIGH 44N137W 1031 MB.
.48 HOUR FORECAST HIGH 43N134W 1029 MB.

.HIGH 40N173W 1022 MB MOVING NE 40 KT.
.24 HOUR FORECAST HIGH 49N160W 1025 MB.
.48 HOUR FORECAST HIGH 54N148W 1030 MB.

.FORECASTER LEE. 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 THU DEC 25.
24 HOUR FORECAST VALID 1200 UTC FRI DEC 26.
48 HOUR FORECAST VALID 1200 UTC SAT DEC 27.

.WARNINGS.

...GALE WARNING...
.WITHIN 45 NM OF LINE FROM 16N95W TO 14N96W...INCLUDING THE GULF
OF TEHUANTEPEC...N TO NE WINDS 30 TO 40 KT. SEAS 10 TO 14 FT.
ELSEWHERE WITHIN 75 NM OF LINE FROM 16N95W TO 14N96W TO 12N99W
NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT IN MIXED NE AND NW
SWELL.
.06 HOUR FORECAST WITHIN 60 NM OF LINE FROM 16N95W TO 15N95W TO
13N97W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 10N TO 14N BETWEEN 95W
AND 102W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED NE AND NW
SWELL.
.24 HOUR FORECAST FROM 08N TO 13N BETWEEN 98W AND 104W WINDS 20
KT OR LESS. SEAS TO 9 FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N119W TO 29N124W TO 30N130W. N OF FRONT N
WINDS 20 TO 25 KT. SEAS 10 FT. ELSEWHERE NW OF LINE FROM 25N112W
TO 00N129W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW SWELL.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 27N114W TO 25N125W.
N OF 28N W OF 135W E TO SE WINDS 20 TO 25 KT. SEAS TO 9 FT.
ELSEWHERE N OF 24N WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN NW TO
N SWELL. FROM 05N TO 10N W OF 128W WINDS 20 KT OR LESS. SEAS 8
FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST FRONT DISSIPATED. N OF 26N W OF 137W SE WINDS
20 TO 25 KT. SEAS 8 TO 10 FT. FROM 24N TO 27N BETWEEN 117W AND
120W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED NW AND N SWELL.

.12 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N86W TO 10N87W...
INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 75 NM OF LINE FROM 11N86W TO 09N91W...
INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 30 KT. SEAS 8 TO 10
FT.
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 11N86W TO 10N89W NE
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. ELSEWHERE 07N TO 10N
BETWEEN 93W AND 100W WINDS 20 KT OR LESS. SEAS 8 FT IN E SWELL.

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

CONVECTION VALID 1500 UTC THU DEC 25...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 07N77W TO 07N94W. ITCZ FROM 07N94W TO
05N122W TO 07N140W. SCATTERED MODERATE WITHIN 60 NM OF ITCZ AXIS
BETWEEN 107W AND 114W.

$$
.FORECASTER MUNDELL. 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.