High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 221618
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU FEB 22 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22.
24 HOUR FORECAST VALID 1200 UTC FEB 23.
48 HOUR FORECAST VALID 1200 UTC FEB 24.

.WARNINGS.

...STORM WARNING...
.LOW 60N147W 1020 MB MOVING SE 15 KT. WITHIN 300 NM SE OF A LINE
FROM 58N152W TO 54N165W AREA OF W TO SW WINDS 20 TO 30 KT. SEAS
TO 9 FT.
.12 HOUR FORECAST LOW 60N145W 1008 MB. WITHIN 540 NM S AND SW
QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 14 FT.
.18 HOUR FORECAST LOW 59N141W 1002 MB. WITHIN 120 NM SW OF A
LINE FROM 60N153W TO 57N140W WINDS 40 TO 50 KT. SEAS 10 TO 17
FT.
.24 HOUR FORECAST LOW 58N137W 1001 MB. WITHIN 420 NM W QUADRANT
WINDS 40 TO 50 KT. SEAS 11 TO 22 FT. ELSEWHERE NE OF A LINE FROM
46N132W TO 57N156W WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.48 HOUR FORECAST LOW DISSIPATED. WITHIN 360 NM NE OF A LINE
FROM 50N138W TO 42N129W WINDS 25 TO 35 KT. SEAS 9 TO 18 FT.

...STORM WARNING...
.LOW 48N172E 1006 MB MOVING NE 25 KT. FRONT EXTENDS FROM 53N166E
TO LOW TO 44N177E TO 38N174E. N OF 43N WITHIN 360 NM N AND E OF
FRONT WINDS 25 TO 40 KT. SEAS 9 TO 17 FT. ELSEWHERE S OF 43N
WITHIN 240 NM E AND SE OF FRONT WINDS 25 TO 35 KT. SEAS 8 TO 15
FT.
.24 HOUR FORECAST LOW 57N179E 994 MB. OVER FORECAST WATERS
WITHIN 360 NM N AND NE AND 120 NM S QUADRANTS WINDS 40 TO 50 KT.
SEAS 12 TO 18 FT. ELSEWHERE FROM 46N TO 61N W OF 163W WINDS 25
TO 40 KT. SEAS 10 TO 22 FT...HIGHEST NEAR 52N170E.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW NW OF AREA 56N168E
1001 MB. FROM 51N TO 60N W OF THE ALUETIAN ISLANDS WINDS 30 TO
45 KT. SEAS 12 TO 22 FT.

...STORM WARNING...
.24 HOUR FORECAST LOW W OF AREA NEAR 39N152E 999 MB. OVER
FORECAST WATERS FROM 32N TO 41N W OF 168E WINDS 25 TO 40 KT.
SEAS 8 TO 12 FT.
.36 HOUR FORECAST LOW W OF AREA NEAR 41N158E 997 MB. WITHIN 480
NM E QUADRANT WINDS 40 TO 50 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST LOW 44N163E 988 MB. FRONT TO EXTEND FROM LOW
TO 46N168E TO 44N173E. WITHIN 180 NM N OF FRONT AND WITHIN 240
NM S AND SW QUADRANTS WINDS 40 TO 55 KT. SEAS 13 TO 25
FT...HIGHEST S. ELSEWHERE FROM 36N TO 50N W OF 177W WINDS 25 TO
40 KT. SEAS 9 TO 18 FT.

...GALE WARNING...
.LOW W OF AREA NEAR 51N159E 999 MB MOVING NE 15 KT. OVER
FORECAST WATERS FROM 46N TO 51N W OF 165E WINDS 25 TO 40 KT.
SEAS 11 TO 22 FT.
.24 HOUR FORECAST LOW NW OF AREA 57N163E 994 MB. ASSOCIATED
CONDITIONS DESCRIBED ABOVE WITH LOW 57N179E.

...GALE WARNING...
.LOW INLAND NEAR 44N124W 1018 MB MOVING SE 15 KT. FROM 40N TO
49N E OF 131W WINDS 25 TO 35 KT. SEAS 9 TO 14 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 31N TO 41N E OF 128W AREA
OF N TO NW WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.
.48 HOUR FORECAST FROM 33N TO 38N BETWEEN 122W AND 125W AREA OF
N TO NW WINDS TO 25 KT. SEAS TO 10 FT.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 58N148W 998 MB. FROM 49N TO 58N
BETWEEN 140W TO THE ALUETIAN ISLANDS WINDS 25 TO 40 KT. SEAS 9
TO 15 FT.

...HEAVY FREEZING SPRAY WARNING...
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE
FORECAST WATERS N OF 62N AND W OF ALASKA.

.SYNOPSIS AND FORECAST.

.OVER ICE FREE FORECAST WATERS W OF THE ALEUTIAN ISLANDS AND NE
AND E OF A LINE FROM 61N178W TO 54N168W WINDS 20 TO 30 KT. SEAS
8 TO 13 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 38N170E 1014 MB MOVING NE 40 KT. OVER FORECAST WATERS
WITHIN 300 NM S AND E OF A LINE FROM 40N176E TO 35N165E WINDS 20
TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DESCRIBED ABOVE WITH LOW 57N179E.

.LOW 31N165W 1018 MB MOVING NW 10 KT. OVER FORECAST WATERS
WITHIN 300 NM N AND 780 NM E QUADRANTS WINDS 20 TO 30 KT. SEAS 9
TO 13 FT.
.24 HOUR FORECAST LOW 32N170W 1021 MB. WITHIN 300 NM NW AND N
QUADRANTS AND FROM 30N TO 35N BETWEEN 152W AND 159W WINDS TO 25
KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH TROUGH TO EXTEND FROM
30N165W TO 39N164W. WITHIN 360 NM E OF TROUGH WINDS 20 TO 30 KT.
SEAS 8 TO 12 FT.

.FROM 36N TO 40N BETWEEN 125W AND 127W AREA OF N TO NW WINDS TO
25 KT. SEAS TO 10 FT.
.12 HOUR FORECAST CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 47N TO 51N
BETWEEN 150W AND 161W.
.24 HOUR FORECAST DENSE FOG WITHIN AREA BOUNDED BY 43N174W TO
51N158W TO 54N170W TO 43N174W AND WITHIN 90 NM OF 36N159W AND
36N168W.
.48 HOUR FORECAST DENSE FOG FROM 39N TO 41N BETWEEN 160W AND
166W AND WITHIN 120 NM N AND E OF A LINE FROM 45N167E TO 43N171E
TO 39N172E.

.HIGH 46N146W 1041 MB MOVING S 05 KT.
.24 HOUR FORECAST HIGH 44N146W 1042 MB.
.48 HOUR FORECAST HIGH 42N146W 1042 MB.

.HIGH 50N168W 1038 MB MOVING NE 25 KT.
.24 HOUR FORECAST HIGH 59N158W 1033 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST HIGH 43N170E 1037 MB.
.48 HOUR FORECAST HIGH 49N169W 1042 MB.

.FORECASTER HUFFMAN. 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 FEB 22.
24 HOUR FORECAST VALID 1200 UTC FRI FEB 23.
48 HOUR FORECAST VALID 1200 UTC SAT FEB 24.

.WARNINGS.

...ASHFALL ADVISORY...
FUEGO VOLCANO AT POSITION 14.3N 90.9W IS CURRENTLY ERUPTING.
PLUME OF VOLCANIC ASH MAY REACH TO THE SURFACE THROUGH EARLY THU
MORNING N OF 14N E OF 93W. LOW LEVEL VISIBILITY MAY BE REDUCED TO
1 NM OR LESS. 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.

.GULF OF PAPAGAYO WITHIN AREA BOUNDED BY 12N87W TO 11N86W TO
10N87W TO 09N90W TO 11N92W TO 12N91W TO 12N87W NE TO E WINDS 20
TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST GULF OF PAPAGAYO WITHIN AREA BOUNDED BY
11N86W TO 10N86W TO 10N88W TO 11N88W TO 12N87W TO 12N86W TO
11N86W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.

.WITHIN AREA BOUNDED BY 17N119W TO 11N126W TO 09N134W TO
12N140W TO 21N140W TO 19N135W TO 17N119W NE TO E WINDS 20 TO 25
KT. SEAS 10 TO 13 FT IN MIXED NE AND NW SWELL. ELSEWHERE WITHIN
AREA BOUNDED BY 18N108W TO 12N111W TO 07N123W TO 08N140W TO
29N140W TO 23N119W TO 18N108W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN MIXED NE AND NW SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 17N122W TO 15N118W TO
13N129W TO 14N140W TO 17N140W TO 17N128W TO 17N122W NE TO E WINDS
20 TO 25 KT. SEAS 9 TO 12 FT IN MIXED NE AND NW SWELL. ELSEWHERE
WITHIN AREA BOUNDED BY 16N111W TO 11N108W TO 05N117W TO 05N140W
TO 27N140W TO 16N111W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN
MIXED NE AND NW SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 16N121W TO 13N123W TO
11N133W TO 14N140W TO 19N140W TO 16N133W TO 16N121W NE TO E WINDS
20 TO 25 KT. SEAS 9 TO 12 FT IN MIXED NE AND NW SWELL. ELSEWHERE
WITHIN AREA BOUNDED BY 27N129W TO 12N111W TO 08N126W TO 01N134W
TO 01N140W TO 27N140W TO 27N129W WINDS 20 KT OR LESS. SEAS 8 TO
10 FT IN MIXED NE AND NW SWELL.

.18 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N BETWEEN 94.5W AND
95.5W NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.30 HOUR FORECAST N OF 29N E OF 117W NW TO N WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.36 HOUR FORECAST WITHIN AREA BOUNDED BY 30N125W TO 30N115W TO
27N113W TO 30N125W...INCLUDING SEBASTIAN VIZCAINO BAY...NW TO N
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST FROM 23N TO 27N E OF 118W NW TO N WINDS 20 TO
25 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN AREA BOUNDED BY 29N118W
TO 24N113W TO 23N114W TO 23N124W TO 28N131W TO 30N132W TO
29N118W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN W TO NW SWELL.

.36 HOUR FORECAST GULF OF CALIFORNIA N OF 31N NW WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST GULF OF CALIFORNIA N OF 29.5N NW TO N WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST GULF OF CALIFORNIA N OF 25.5N W OF 110W NW TO N
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 1500 UTC THU FEB 22...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 09N83W TO 02N100W. ITCZ AXIS EXTENDS
FROM 02N100W TO 04N120W TO 06N140W. SCATTERED MODERATE WITHIN
AREA BOUNDED BY 14N125W TO 07N124W TO 07N133W TO 09N140W TO
13N140W TO 12N132W TO 14N125W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.


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