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
FZNT01 KWBC 292145
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SAT APR 29 2017

CCODE/1:31:04:01:00/AOW/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

SYNOPSIS VALID 1800 UTC APR 29
24 HOUR FORECAST VALID 1800 UTC APR 30
48 HOUR FORECAST VALID 1800 UTC MAY 01

.WARNINGS.

...STORM WARNING...
.LOW 53N47W 992 MB MOVING E 15 KT. WITHIN 660 NM S QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN 840 NM S
QUADRANT WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 53N39W 976 MB. FROM 48N TO 55N BETWEEN 35W
AND 42W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 53N40W 976 MB. BETWEEN 240 NM AND 660 NM S
AND BETWEEN 240 NM AND 480 NM W QUADRANTS WINDS 40 TO 50 KT.
SEAS 14 TO 28 FT...HIGHEST S QUADRANT. ELSEWHERE OVER FORECAST
WATERS WITHIN 420 NM N AND NW...660 NM W AND 1260 NM S QUADRANTS
WINDS 25 TO 40 KT. SEAS 8 TO 19 FT.

...STORM WARNING...
.06 HOUR FORECAST FROM 58N TO 60N BETWEEN 42W AND 50W WINDS 25
TO 40 KT. SEAS IN ICE FREE WATERS TO 11 FT.
.12 HOUR FORECAST WITHIN 90 NM S OF A LINE FROM 61N52W TO 60N48W
TO 60N43W WINDS 40 TO 50 KT. SEAS 8 TO 17 FT.
.24 HOUR FORECAST FROM 58N TO 60N BETWEEN 42W AND 49W WINDS 25
TO 35 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 53N40W ABOVE.

...STORM WARNING...
.FROM 36N TO 45N W OF 58W WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST FROM 36N TO 41N BETWEEN 50W AND 62W WINDS 25
TO 35 KT. SEAS TO 11 FT.
.24 HOUR FORECAST NEW LOW 43N44W 989 MB. WITHIN 360 NM S AND SE
QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 24 FT. ELSEWHERE WITHIN
540 NM S AND SE AND 780 NM W QUADRANTS WINDS 25 TO 35 KT. SEAS 8
TO 15 FT.
.48 HOUR FORECAST LOW E OF AREA. CONDITIONS DESCRIBED WITH LOW
53N40W ABOVE.

...STORM WARNING...
.36 HOUR FORECAST N OF 64N E OF GREENLAND WINDS 25 TO 40 KT.
SEAS TO 12 FT.
.48 HOUR FORECAST N OF 60N WITHIN 90 NM OF THE E COAST OF
GREENLAND N TO NE WINDS 40 TO 55 KT. SEAS IN ICE FREE WATERS 12
TO 24 FT. ELSEWHERE N OF 63N E OF GREENLAND WINDS 25 TO 40 KT.
SEAS 8 TO 15 FT.

...GALE WARNING...
.LOW 61N64W 989 MB MOVING E 10 KT. FRONT EXTENDS FROM LOW TO
56N53W TO 54N48W. WITHIN 180 NM NE OF FRONT WINDS 20 TO 30 KT.
SEAS TO 8 FT.
.24 HOUR FORECAST LOW 61N57W 987 MB. WITHIN 180 NM NE SEMICIRCLE
AND 240 NM W AND 600 NM S QUADRANTS WINDS 30 TO 45 KT. SEAS IN
ICE FREE WATERS 9 TO 18 FT.
.48 HOUR FORECAST LOW 64N62W 999 MB. WITHIN 180 NM N...240 NM E
AND 300 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS IN ICE FREE
WATERS TO 11 FT.

.SYNOPSIS AND FORECAST.

.LOW E OF AREA 61N32W 985 MB MOVING S 10 KT. OVER FORECAST
WATERS WITHIN 300 NM W AND NW QUADRANTS WINDS 20 TO 30 KT. SEAS
8 TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 56N TO 62N BETWEEN 35W
AND 42W WINDS TO 25 KT. SEAS TO 11 FT.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 53N40W ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS FROM 41N TO 54N BETWEEN 45W AND 63W...AND FROM 39N TO 44N
BETWEEN 65W AND 70W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 48N BETWEEN 47W AND 50W.
.48 HOUR FORECAST DENSE FOG FROM 40N TO 43N BETWEEN 66W AND 70W.

.LIGHT TO MODERATE FREEZING SPRAY OVER ICE FREE FORECAST WATERS
N OF 64N W OF GREENLAND.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W OF A LINE
FROM 55N54W TO 59N56W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W OF A LINE
FROM 48N50W TO 58N53W TO 63N54W.

.HIGH 35N41W 1029 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH E OF AREA.

.HIGH 32N65W 1028 MB MOVING W 05 KT.
.24 HOUR FORECAST HIGH 32N68W 1027 MB.
.48 HOUR FORECAST LITTLE CHANGE.

.24 HOUR FORECAST HIGH 43N69W 1028 MB.
.48 HOUR FORECAST HIGH 43N60W 1026 MB.

.FORECASTER KOSIER. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 1800 UTC SAT APR 29.
24 HOUR FORECAST VALID 1800 UTC SUN APR 30.
48 HOUR FORECAST VALID 1800 UTC MON MAY  1.

.WARNINGS.

...GALE WARNING...
.GULF OF MEXICO COLD FRONT W OF AREA. WITHIN AREA BOUNDED BY
23.5N80.5W TO 23.5N82.5W TO 23.5N83W TO 24N83W TO 24N81.5W TO
24N80.5W TO 23.5N80.5W... INCLUDING STRAITS OF FLORIDA...E WINDS
20 TO 25 KT. SEAS TO 8 FT. WITHIN AREA BOUNDED BY 22N87W TO
20N94W TO 21N97W TO 28N97W TO 30N94W TO 27N86W TO 22N87W SE WINDS
20 TO 30 KT. SEAS 8 TO 12 FT...HIGHEST NEAR 27N94W.
.18 HOUR FORECAST COLD FRONT FROM 30N93W TO 26N96W TO 22N98W.
WITHIN AREA BOUNDED BY 22N97W TO 22N98W TO 24N98W TO 24N97W TO
22N97W NW TO N WINDS 30 TO 35 KT. SEAS TO 8 FT. ELSEWHERE
WITHIN AREA BOUNDED BY 26N96W TO 23N97W TO 24N98W TO 28N97W TO
30N95W TO 28N94W TO 26N96W N WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
WITHIN AREA BOUNDED BY 23N89W TO 20N95W TO 23N95W TO 30N92W TO
31N88W TO 29N86W TO 23N89W SE TO S WINDS 20 TO 30 KT. SEAS 8 TO
14 FT...HIGHEST NEAR 27N91W. ELSEWHERE WITHIN AREA BOUNDED BY
25N85W TO 25N88W TO 21N91W TO 22N96W TO 30N93W TO 29N86W TO
25N85W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SE TO S SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N91.5W TO 26N94W TO 20N95W TO
19N96W. WITHIN AREA BOUNDED BY 19N95W TO 19N96W TO 21N97W TO
21N96W TO 20N95W TO 19N95W...INCLUDING WITHIN 60 NM OF COAST OF
VERACRUZ...NW TO N WINDS 30 TO 35 KT. SEAS BUILDING TO 8 FT.
ELSEWHERE WITHIN AREA BOUNDED BY 21N96W TO 20N97W TO 24N98W TO
28N97W TO 28N93W TO 26N93W TO 21N96W NW TO N WINDS 20 TO 30 KT.
SEAS 8 TO 11 FT. WITHIN AREA BOUNDED BY 29N86W TO 29N88W TO
29N90W TO 30N89W TO 31N88W TO 30N85W TO 29N86W SE TO S WINDS 20
TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN AREA BOUNDED BY
24N89W TO 23N95W TO 27N93W TO 29N95W TO 29N86W TO 27N85W TO
24N89W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN SE TO S SWELL.
.36 HOUR FORECAST COLD FRONT FROM 30N88W TO 26N91W TO 22N94W TO
18.5N94W. WITHIN AREA BOUNDED BY 19N94W TO 19N95W TO 19N96W TO
21N97W TO 21N96W TO 20N95W TO 19N94W...INCLUDING WITHIN 60 NM OF
COAST OF VERACRUZ...NW TO N WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
WITHIN AREA BOUNDED BY 20N95W TO 21N97W TO 23N98W TO 25N97W TO
27N93W TO 25N92W TO 20N95W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
IN MIXED N AND SE SWELL. WITHIN AREA BOUNDED BY 30N88W TO 30N86W
TO 28N89W TO 30N88W S TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 30N85W TO 26N88W TO LOW PRES
NEAR 22N91W 1011 MB TO 18.5N93W. WINDS 20 KT OR LESS. SEAS LESS
THAN 8 FT.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN AREA BOUNDED BY 19N35W TO 23N43W TO 28N45W TO
31N42W TO 31N35W TO 19N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT
IN MIXED NE AND SE SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 11N35W TO 12N40W TO
22N50W TO 23N35W TO 11N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN MIXED NE AND SE SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 07N40W TO 06N51W TO
08N51W TO 12N47W TO 12N44W TO 09N40W TO 07N40W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN MIXED NE AND SE SWELL.

.ATLC WITHIN AREA BOUNDED BY 20N71.5W TO 20N74W TO 21N73.5W TO
21N72.5W TO 20.5N71.5W TO 20N71.5W...INCLUDING APPROACH TO
WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN AREA BOUNDED BY 20N71W TO 20N72.5W TO
20N74W TO 21N73.5W TO 21N72W TO 20.5N71W TO 20N71W...INCLUDING
APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS
TO 8 FT.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC 42 HOUR FORECAST COLD FRONT FROM 31N49W TO 30N56W. WITHIN
AREA BOUNDED BY 30.5N38.5W TO 30.5N46W TO 31N53W TO 31N38W TO
30.5N38.5W SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N46W TO 29N50W TO 28N55W.
WITHIN AREA BOUNDED BY 30N37W TO 29N43W TO 29N45W TO 31N44W TO
31N35W TO 30N37W SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. WITHIN
AREA BOUNDED BY 30N45W TO 30N47W TO 30N49W TO 31N52W TO 31N53W TO
31N43W TO 30N45W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE
AND NW SWELL.

.ATLC 48 HOUR FORECAST COLD FRONT W OF AREA. WITHIN AREA BOUNDED
BY 30N80W TO 30N81W TO 31N81W TO 31N79W TO 30N80W SE TO S WINDS
20 TO 25 KT. SEAS BUILDING TO 8 FT.

.CARIBBEAN WITHIN AREA BOUNDED BY 15N77W TO 16N76W TO 16N72W TO
11N67W TO 11N78W TO 15N77W...INCLUDING WITHIN 90 NM OF COAST OF
COLOMBIA AND GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS
8 TO 10 FT.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 11N69W TO 11N71W TO
12N74W TO 13N73W TO 13N71W TO 13N69W TO 11N69W...INCLUDING
WITHIN 90 NM OF COAST OF COLOMBIA AND GULF OF VENEZUELA...NE TO
E WINDS 20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE WITHIN AREA BOUNDED
BY 13N70W TO 11N77W TO 13N80W TO 15N80W TO 18N75W TO 17N72W TO
13N70W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 13N73W TO 13N76W TO
14N76W TO 15N76W TO 15N74W TO 14N73W TO 13N73W...INCLUDING WITHIN
90 NM OF COAST OF COLOMBIA...WINDS 20 KT OR LESS. SEAS TO 8 FT IN
NE TO E SWELL.

.CARIBBEAN 03 HOUR FORECAST WITHIN AREA BOUNDED BY 16N85W TO
17N86W TO 16N87W TO 16N88W TO 18N87W TO 19N86W TO 16N85W...
INCLUDING GULF OF HONDURAS...E TO SE WINDS 20 TO 30 KT. SEAS
BUILDING TO 8 TO 10 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.27 HOUR FORECAST WITHIN AREA BOUNDED BY 16N84W TO 16N87W TO
17N87W TO 18N86W TO 17N85W TO 16N84W...INCLUDING GULF OF
HONDURAS...E TO SE WINDS 20 TO 30 KT. SEAS BUILDING TO 8 FT.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.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.