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
157
FZPN02 KWBC 251725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC SUN FEB 25 2018

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

SECURITE

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

SYNOPSIS VALID 1200 UTC FEB 25.
24 HOUR FORECAST VALID 1200 UTC FEB 26.
48 HOUR FORECAST VALID 1200 UTC FEB 27.

.WARNINGS.

...STORM WARNING...
.LOW 55N175E 982 MB MOVING NE 30 KT WILL TURN E AFTER 24 HOURS.
BETWEEN 90 NM AND 300 NM S QUADRANT WINDS 40 TO 55 KT. SEAS 16
TO 28 FT. ELSEWHERE WITHIN 420 NM S AND E SEMICIRCLES WINDS 35
TO 45 KT. SEAS 12 TO 25 FT. ALSO WITHIN 540 NM NE...780 NM
E...600 NM SE...420 NM SW...AND 180 NM W QUADRANTS WINDS 25 TO
35 KT. SEAS 10 TO 20 FT.
.24 HOUR FORECAST LOW INLAND NEAR 61N163W 981 MB. OVER ICE FREE
WATERS BETWEEN 120 NM AND 480 NM S AND SW QUADRANTS WINDS 40 TO
55 KT. SEAS 22 TO 38 FT. ELSEWHERE OVER THE BERING SEA BETWEEN
ALASKA AND 180W WINDS 25 TO 40 KT. SEAS 10 TO 30 FT...HIGHEST SW
OF LOW CENTER. ALSO N OF 53N W OF 180W WINDS LESS THAN 25 KT.
SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW 60N143W 991 MB. WITHIN 300 NM SW QUADRANT
WINDS 40 TO 50 KT. SEAS 14 TO 28 FT. ELSEWHERE N OF 52N BETWEEN
130W AND 158W WINDS 25 TO 40 KT. SEAS 10 TO 22 FT.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 60N147W 995 MB. EXCEPT WHERE DESCRIBED
ABOVE WITH LOW 61N163W...WITHIN 780 NM SW AND 720 NM S QUADRANTS
WINDS 25 TO 40 KT. SEAS 8 TO 17 FT.
.30 HOUR FORECAST LOW 60N141W 987 MB. WITHIN 180 NM S QUADRANT
WINDS 35 TO 50 KT. SEAS 10 TO 20 FT.
.48 HOUR FORECAST LOW WELL INLAND. CONDITIONS DESCRIBED ABOVE
WITH LOW 60N143W.

...STORM WARNING...
.36 HOUR FORECAST RAPIDLY INTENSIFYING LOW 37N161E 988 MB.
WITHIN 180 NM SE SEMICIRCLE WINDS 35 TO 50 KT. SEAS 10 TO 17 FT.
ALSO FROM 30N TO 44N BETWEEN 160E AND 172E WINDS 25 TO 40 KT.
SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 44N167E 968 MB. WITHIN 240 NM S SEMICIRCLE
AND 300 NM NE QUADRANT WINDS 45 TO 60 KT. SEAS 16 TO 28 FT. ALSO
WITHIN 420 NM NE...480 NM SE...300 NM SW...AND 180 NM NW
QUADRANTS WINDS 35 TO 45 KT. SEAS 12 TO 20 FT. ELSEWHERE FROM
30N TO 51N BETWEEN 160E AND 180W WINDS 25 TO 35 KT. SEAS 8 TO 17
FT.

...GALE WARNING...
.LOW INLAND 57N134W 989 MB MOVING SE 20 KT. OVER FORECAST WATERS
WITHIN 660 NM SW SEMICIRCLE WINDS 30 TO 45 KT. SEAS 12 TO 28
FT...HIGHEST NEAR 54N136W. ALSO NE AND N OF A LINE FROM 55N160W
TO 42N140W TO 42N124W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND. FROM 35N TO 55N E OF
140W WINDS 20 TO 30 KT. SEAS 10 TO 19 FT.
.36 HOUR FORECAST FROM 35N TO 40N E OF 127W WINDS 25 TO 35 KT.
SEAS 12 TO 18 FT.
.48 HOUR FORECAST FROM 32N TO 39N BETWEEN 122W AND 128W WINDS 25
TO 35 KT. SEAS 13 TO 21 FT. ELSEWHERE FROM 30N TO 41N BETWEEN
119W AND 131W WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.

...GALE WARNING...
.LOW 45N160E 1004 MB MOVING NE 25 KT. WITHIN 360 NM SE AND 180
NM NE QUADRANTS WINDS 30 TO 45 KT. SEAS 9 TO 20 FT...HIGHEST SE.
.24 HOUR FORECAST LOW 51N172E 1006 MB. WITHIN 540 NM E...360 NM
S...AND 300 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.48 HOUR FORECAST LOW ABSORBED BY NEW LOW 58N161W 1006 MB.
WITHIN 360 NM S QUADRANT WINDS 25 TO 35 KT. SEAS 9 TO 14 FT.
ELSEWHERE WITHIN 600 NM W AND NW QUADRANTS WINDS 20 TO 30 KT.
SEAS 8 TO 13 FT.

...GALE WARNING...
.BETWEEN 155W AND A LINE FROM 40N170W TO 30N165W AREA OF E TO SE
WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST NEW LOW 36N167W 1016 MB. WITHIN 300 NM E AND
240 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
ELSEWHERE WITHIN 480 NM E SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO
12 FT.
.48 HOUR FORECAST LOW 42N165W 1016 MB. WITHIN 720 NM E AND SE
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
N OF 63N W OF ALASKA.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 60N W OF
ALASKA.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 61N W OF
ALASKA.

.SYNOPSIS AND FORECAST.

.OVER FORECAST WATERS FROM 30N TO 38N E OF 125W AREA OF N WINDS
20 TO 30 KT. SEAS TO 11 FT.
.12 HOUR FORECAST CONDITIONS DIMINISHED.

.36 HOUR FORECAST LOW 50N162E 1012 MB. WITHIN 240 NM SE QUADRANT
WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW AND CONDITIONS MOVED NW OF AREA.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM BETWEEN 165W AND A
LINE FROM 53N172W TO 42N177W...AND WITHIN 180 NM OF 34N164W.
.24 HOUR FORECAST DENSE FOG WITHIN THE REGION BOUNDED BY A LINE
FROM 49N154W TO 43N171W TO 34N170W TO 31N160W TO 49N154W.
.48 HOUR FORECAST DENSE FOG WITHIN 420 NM W OF A LINE FROM
47N151W TO 34N157W...AND WITHIN 120 NM OF 47N144W.

.HIGH 40N149W 1040 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH 37N144W 1039 MB.

.HIGH 43N156W 1040 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH MERGED WITH STATIONARY HIGH ABOVE.

.HIGH 41N173E 1027 MB MOVING NE 30 KT.
.24 HOUR FORECAST HIGH 48N172W 1030 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST HIGH 43N167E 1026 MB.
.48 HOUR FORECAST HIGH 48N172W 1029 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 1200 UTC SUN FEB 25.
24 HOUR FORECAST VALID 1200 UTC MON FEB 26.
48 HOUR FORECAST VALID 1200 UTC TUE FEB 27.

.WARNINGS.

...ASHFALL ADVISORY...FUEGO VOLCANO NEAR POSITION 14.3N 90.9W IS
CURRENTLY ERUPTING. PLUME OF VOLCANIC ASH MAY REACH TO THE
SURFACE. LOW LEVEL VISIBILITY MAY BE REDUCED TO 6 NM OR LESS N
OF 13.5N E OF 93W. MARINERS SHOULD EXERCISE CAUTION. IF MARINERS
ENCOUNTER VOLCANIC ASH...THEY ARE ENCOURAGED TO REPORT THE
OBSERVATION TO THE NATIONAL WEATHER SERVICE BY CALLING 305-229-
4425.

.SYNOPSIS AND FORECAST.

.FROM 11N TO 13N W OF 123W NE WINDS 20 TO 25 KT. SEAS 9 TO 11
FT. ELSEWHERE WITHIN AREA BOUNDED BY 28N140W TO 30N128W TO
30N120W TO 10N114W TO 05N140W TO 28N140W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST FROM 11N TO 24N W OF 137W NE WINDS 20 TO 25
KT. SEAS 9 TO 10 FT. ELSEWHERE WITHIN AREA BOUNDED BY 28N140W TO
12N115W TO 08N140W TO 28N140W WINDS 20 KT OR LESS. SEAS TO 9 FT
IN MIXED SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY A LINE FROM 25N140W TO
21N129W TO 11N129W TO 09N140W TO 25N140W NE WINDS 20 TO 25 KT.
SEAS 8 TO 13 FT. N OF 28N BETWEEN 120W AND 130W N WINDS 20 TO 25
KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN AREA BOUNDED BY 28N140W TO
30N135W TO 30N118W TO 10N125W TO 08N140W TO 28N140W WINDS 20 KT
OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.

.FROM 10N TO 12N E OF 88W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.42 HOUR FORECAST GULF OF CALIFORNIA FROM 30N TO 31N S TO SW
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 1500 UTC SUN FEB 25...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 09N84W TO 03N93W TO 03N100W TO 01N109W TO
02N116W. ITCZ FROM 02N116W TO 08N129W TO 07N140W. SCATTERED
MODERATE ISOLATED STRONG FROM 01N TO 03N BETWEEN 98W AND 110W.

.FORECASTER AL. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1200 UTC FEB 25 2018.
24 HOUR FORECAST VALID 1200 UTC FEB 26 2018.
48 HOUR FORECAST VALID 1200 UTC FEB 27 2018.

.WARNINGS.

...GALE WARNING...
.TROUGH FROM 30N168W TO 14N168W NEARLY STATIONARY. SE WINDS 25
TO 35 KT KT N OF 26N BETWEEN 165W AND 158W. SE WINDS 20 TO 30 KT
ELSEWHERE N OF 20N E OF 165W. WIDELY SCATTERED MODERATE TSTMS
BETWEEN TROUGH AND 158W.
.24 HOUR FORECAST TROUGH FROM 30N167W TO 18N168W. E TO SE WINDS
20 TO 30 KT E OF 165W N OF 18N.
.48 HOUR FORECAST TROUGH FROM 30N167W TO 18N167W. E TO SE WINDS
20 TO 30 KT E OF TROUGH N OF 18N.

...GALE WARNING...
.LOW 27N166E 1018 MB NEARLY STATIONARY. DISSIPATING FRONT FROM
30N169E TO LOW TO 25N160E...NEARLY STATIONARY.
.24 HOUR FORECAST LOW DISSIPATED. FRONT MOVED N OF FORECAST
WATERS.
.36 HOUR FORECAST FRONT JUST W OF FORECAST WATERS FROM 30N159E
TO 25N154E. SW WINDS 25 TO 35 KT W OF 167E N OF 26N.
ELSEWHERE...S TO SW WINDS 20 TO 25 KT ELSEWHERE N OF A LINE FROM
30N170E TO 25N160E.
.48 HOUR FORECAST NEW FRONT 30N166E TO 25N160E. SW WINDS 20 TO
30 KT BETWEEN FRONT AND 173E N OF 27N.

.SYNOPSIS AND FORECAST.

.RIDGE FROM 30N174E TO 27N170E TO 25N165E NEARLY STATIONARY.

.E WINDS 20 TO 30 KT BETWEEN 20N AND 10N E OF 160W.
.24 HOUR FORECAST E TO NE WINDS 20 TO 30 KT BETWEEN 18N AND 10N
E OF 162W.
.48 HOUR FORECAST E TO NE WINDS 20 TO 30 KT BETWEEN 18N AND 08N
E OF 165W.

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

.SEAS 8 TO 11 FT IN THE AREA BOUNDED BY 30N154W 25N158W 23N140W
07N140W 07N154W 30N168W 30N154W.
.24 HOUR FORECAST SEAS 8 TO 12 FT IN THE AREA BOUNDED BY 30N154W
25N158W 23N140W 07N140W 07N154W 30N168W 30N154W.
.48 HOUR FORECAST SEAS 8 TO 13 FT E OF 165W N OF 17N...HIGHEST
SEAS BETWEEN 22N AND 14N E OF 155W.

.SEAS 8 FT OR LESS OVER REMAINDER OF FORECAST AREA.

.ITCZ FROM 07N140W TO 07N150W TO 11N170W TO 03N165E. SCATTERED
MODERATE TSTMS WITHIN 150 NM N OF ITCZ W OF 162E AND ISOLATED
TSTMS ELSEWHERE WITHIN 120 NM OF REST OF ITCZ.

.WIDELY SCATTERED TSTMS S OF 08N W OF 170E.


$$

.FORECASTER LAU. HONOLULU HI.



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