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NOAA>NWS>NCEP>OPC>Marine>Atlantic>High Seas>North Atlantic High Seas Forecast

North Atlantic High Seas Forecast

[Printable Version]   [Alt Link/Previous Versions]
FZNT01 KWBC 241607
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1630 UTC WED AUG 24 2016 

CCODE/2:31:04:11:00/AOW+AOE/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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). 

PAN PAN 

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

SYNOPSIS VALID 1200 UTC AUG 24 
24 HOUR FORECAST VALID 1200 UTC AUG 25 
48 HOUR FORECAST VALID 1200 UTC AUG 26 

.WARNINGS. 

...GALE WARNING... 
.LOW 59N59W 997 MB MOVING NW 15 KT. WITHIN 300 NM NE OF A FRONT 
FROM LOW CENTER TO 58N53W TO 54N44W WINDS 30 TO 45 KT. SEAS 10 
TO 20 FT. ELSEWHERE WITHIN 480 NM NE AND 1020 NM SE QUADRANTS 
WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 60N TO 67N BETWEEN 44W 
AND 64W WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED. 

.SYNOPSIS AND FORECAST. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 63N TO 67N 
BETWEEN 59W AND 64W AND FROM 44N TO 48N BETWEEN 42W AND 45W AND 
FROM 51N TO 56N BETWEEN 39W AND 48W.
.24 HOUR FORECAST DENSE FOG FROM 63N TO 67N BETWEEN 58W AND 64W 
AND FROM 59N TO 62N BETWEEN 51W AND 55W.
.48 HOUR FORECAST DENSE FOG FROM 63N TO 67N BETWEEN 56W AND 63W 
AND FROM 46N TO 52N BETWEEN 44W AND 54W.

.HIGH 39N69W 1026 MB MOVING NE 25 KT.
.24 HOUR FORECAST HIGH 42N55W 1025 MB.
.48 HOUR FORECAST HIGH 42N46W 1026 MB.

.HIGH 35N46W 1025 MB DRIFTING E.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 62N39W 1021 MB DRIFTING E.
.24 HOUR FORECAST HIGH 62N36W 1019 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.48 HOUR FORECAST HIGH 33N39W 1024 MB. 

.FORECASTER HOLLEY. 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 1200 UTC WED AUG 24.
24 HOUR FORECAST VALID 1200 UTC THU AUG 25.
48 HOUR FORECAST VALID 1200 UTC FRI AUG 26.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GASTON NEAR 16.1N 39.4W 999 MB AT 1500 UTC AUG
24 MOVING NW OR 305 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE
QUADRANT...80 NM SE QUADRANT...40 NM SW QUADRANT...AND 60 NM NW
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 90 NM NW AND SE
QUADRANTS...120 NM NE QUADRANT AND 60 NM SW QUADRANT WITH SEAS
TO 23 FT. ELSEWHERE WITHIN 150 NM N SEMICIRCLE AND 120 NM S
SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA
WITHIN 300 NM N SEMICIRCLE AND 180 NM S SEMICIRCLE WINDS 20 KT
OR LESS. SEAS TO 10 FT IN MIXED SWELL. 
.24 HOUR FORECAST TROPICAL STORM GASTON NEAR 19.6N 43.5W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM NW AND SE QUADRANTS...90 NM NE QUADRANT AND
40 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE
QUADRANT...AND 120 NM ALL OTHER QUADRANTS WITH SEAS TO 34 FT.
ELSEWHERE WITHIN 180 NM OF CENTER WINDS 20 TO 33 KT. SEAS 10 TO
12 FT. REMAINDER OF AREA WITHIN 300 NM OF CENTER WINDS 20 KT OR
LESS. SEAS TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST TROPICAL STORM GASTON NEAR 24.3N 47.9W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 110 NM NW AND SE QUADRANTS...130 NM NE QUADRANT AND
60 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM NE
QUADRANT AND 180 NM ALL OTHER QUADRANTS WITH SEAS TO 36 FT.
ELSEWHERE WITHIN 180 NM OF CENTER WINDS 20 TO 33 KT. SEAS 10 TO
12 FT. REMAINDER OF AREA FROM 19N TO 30N BETWEEN 43W AND 54W
WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE GASTON NEAR 27.8N 53.1W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE GASTON NEAR 30.5N 55.9W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.
.120 HOUR FORECAST HURRICANE GASTON NEAR 32.2N 56.5W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

...GALE WARNING...

.ATLC TROPICAL WAVE FROM 20N62W TO 16N65W WITH LOW PRES NEAR
18N64W 1009 MB. WITHIN 90 NM NE QUADRANT E TO SE WINDS 30 TO 35
KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN 210 NM NE SEMICIRCLE
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 360
NM NE SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED
SWELL. SCATTERED TSTMS WITHIN 120 NM OF LOW. TROPICAL CYCLONE
FORMATION POSSIBLE.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
20N70W 1007 MB. WITHIN 90 NM NE SEMICIRCLE WINDS 30 TO 35 KT.
SEAS 8 TO 13 FT. ELSEWHERE WITHIN 240 NM NE SEMICIRCLE WINDS 20
TO 30 KT. SEAS 8 TO 12 FT. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
22N73W 1007 MB. WITHIN 90 NM NE SEMICIRCLE WINDS 30 TO 35 KT.
SEAS 8 TO 13 FT. ELSEWHERE WITHIN 240 NM NE AND 30 NM SW
SEMICIRCLES OF LOW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.SYNOPSIS AND FORECAST.

.CARIBBEAN FROM 11N TO 13N BETWEEN 74W AND 77W NE WINDS 20 TO 25
KT. SEAS TO 8 FT.
.06 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 LATTO. NATIONAL HURRICANE CENTER.


NOAA/ National Weather Service
National Centers for Environmental Prediction
NOAA Center for Weather and Climate Prediction (NCWCP)
Ocean Prediction Center
Mr. Darin Figurskey
Chief, Ocean Forecast Branch
NCWCP, W/NP41
5830 University Research Court
College Park, Maryland 20740-3818

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Page last modified:  Monday, July 25, 2016 12:55:28 UTC