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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 290949
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1030 UTC THU SEP 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC SEP 29 
24 HOUR FORECAST VALID 0600 UTC SEP 30 
48 HOUR FORECAST VALID 0600 UTC OCT 01 

.WARNINGS. 

...STORM WARNING... 
.LOW 40N64W 1014 MB MOVING NE 25 KT. WITHIN 300 NM E QUADRANT 
WINDS 25 TO 40 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 420 NM E 
AND W...AND WITHIN 240 NM N AND S QUADRANTS WINDS 20 TO 30 KT. 
SEAS TO 10 FT. 
.24 HOUR FORECAST LOW 47N50W 1005 MB. WITHIN 240 NM OF LOW 
EXCEPT WITHIN 300 NM SE QUADRANT WINDS 25 TO 40 KT. SEAS 10 TO 
14 FT. ELSEWHERE WITHIN 420 NM SE AND 300 NM NW SEMICIRCLES 
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 
.30 HOUR FORECAST LOW 46N47W 999 MB. WITHIN 180 NM SW SEMICIRCLE 
AND 240 NM SE QUADRANT WINDS 35 TO 50 KT. SEAS 10 TO 18 FT. 
.48 HOUR FORECAST LOW 48N35W 996 MB. WITHIN 360 NM SW AND 180 NM 
NW QUADRANTS WINDS 25 TO 40 KT. SEAS 13 TO 23 FT. ELSEWHERE OVER 
FORECAST WATERS FROM 38N TO 51N BETWEEN 35W AND 50W WINDS 20 TO 
30 KT. SEAS 8 TO 14 FT. 

...GALE WARNING... 
.LOW 61N40W 1002 MB MOVING SE 20 KT. WITHIN 660 NM SW SEMICIRCLE 
WINDS 25 TO 35 KT. SEAS 10 TO 15 FT. 
.24 HOUR FORECAST LOW DISSIPATED E OF AREA. WITHIN 360 NM N OF A 
LINE FROM 50N35W TO 58N47W WINDS 20 TO 30 KT. SEAS 10 TO 16 FT. 
.48 HOUR FORECAST CONDITIONS MOVED E OF AREA. 

...GALE WARNING... 
.WITHIN 180 NM N OF FRONT FROM 44N50W TO 43N64W TO 37N75W AREA 
OF NE WINDS 20 TO 30 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST WITHIN 180 NM N OF FRONT FROM 41N59W TO 39N69W 
TO 37N75W AREA OF NE WINDS 25 TO 35 KT. SEAS TO 11 FT. 
.48 HOUR FORECAST FROM 39N TO 42N BETWEEN 64W AND 75W AREA OF E 
TO NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 

...GALE WARNING... 
.24 HOUR FORECAST LOW 67N60W 1004 MB. WITHIN 480 NM S QUADRANT 
WINDS 25 TO 35 KT. SEAS TO 10 FT. 
.48 HOUR FORECAST LOW 64N56W 999 MB. WITHIN 540 NM SW AND 240 NM 
NW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. 

...GALE WARNING... 
.48 HOUR FORECAST NEW LOW 60N37W 995 MB. WITHIN 300 NM SW AND S 
QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 16 FT. 

.SYNOPSIS AND FORECAST. 

.WITHIN 180 NM N AND NW OF A FRONT FROM 31N46W TO 35N34W AREA OF 
NE WINDS TO 25 KT. SEAS TO 12 FT. 
.24 HOUR FORECAST CONDITIONS DIMINISHED. 

.HIGH 41N42W 1035 MB MOVING E 10 KT. 
.24 HOUR FORECAST HIGH E OF AREA. 

.HIGH 48N47W 1037 MB MOVING SE 25 KT. 
.24 HOUR FORECAST HIGH MERGED E OF AREA. 

.48 HOUR FORECAST NEW HIGH 52N41W 1026 MB. 

.48 HOUR FORECAST NEW HIGH 35N47W 1023 MB. 

.FORECASTER MUSONDA. 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 0600 UTC THU SEP 29.
24 HOUR FORECAST VALID 0600 UTC FRI SEP 30.
48 HOUR FORECAST VALID 0600 UTC SAT OCT 01.

.WARNINGS.

...HURRICANE WARNING...

.TROPICAL STORM MATTHEW NEAR 14.0N 64.7W 1002 MB AT 0900 UTC SEP
29 MOVING W OR 275 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE
QUADRANT...100 NM SE QUADRANT...0 NM SW QUADRANT...AND 90 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 330 NM NE QUADRANT...120
NM SE QUADRANT...60 NM SW QUADRANT...AND 240 NM NW QUADRANT WITH
SEAS TO 25 FT. ELSEWHERE FROM 11N TO 24N BETWEEN 55W AND 70W
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. FROM 11N TO 18N BETWEEN 45W
AND 55W NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
.24 HOUR FORECAST HURRICANE MATTHEW NEAR 14.1N 69.2W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 50 NM
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM N SEMICIRCLE
AND 120 NM S SEMICIRCLE WITH SEAS TO 35 FT. ELSEWHERE FROM 11.5N
TO 18N BETWEEN 64W AND 76W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
FROM 18N TO 26N BETWEEN 62W AND 72W NE TO E WINDS 20 TO 25 KT.
SEAS 8 TO 9 FT.
.48 HOUR FORECAST HURRICANE MATTHEW NEAR 13.8N 72.2W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM NE QUADRANT...80 NM SE QUADRANT...50 NM SW
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER FROM
11N TO 18N BETWEEN 70W AND 78W WITH SEAS TO 36 FT. ELSEWHERE
WITHIN 180 NM E SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
REMAINDER OF AREA FROM 10N TO 19N BETWEEN 68W AND 81.5W WINDS 20
KT OR LESS. SEAS 8 TO 14 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE MATTHEW NEAR 14.5N 74.0W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE MATTHEW NEAR 17.5N 75.0W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT.
.120 HOUR FORECAST HURRICANE MATTHEW INLAND NEAR 20.5N 75.5W.
MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT.

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

.SYNOPSIS AND FORECAST.

.ATLC FROM 16N TO 20N E OF 37W WINDS 20 KT OR LESS. SEAS TO 8 FT
IN MIXED NE AND SE SWELL.
.24 HOUR FORECAST FROM 16N TO 20N BETWEEN 38W AND 44W WINDS 20
KT OR LESS. SEAS 8 TO 9 FT. 
.48 HOUR FORECAST FROM 17N TO 22N BETWEEN 43W AND 49W WINDS 20
KT OR LESS. SEAS TO 8 FT IN NE SWELL. 

.ATLC AND CARIBBEAN FROM 20N TO 21.5N BETWEEN 70W AND 73W NE TO
E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN HURRICANE WARNING...FROM
18N TO 21.5N BETWEEN 70W AND 76W...INCLUDING THE WINDWARD
PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST CONDITIONS MERGED WITH THOSE NOTED IN
HURRICANE WARNING. 

.CARIBBEAN FROM 11N TO 13.5N BETWEEN 72W AND 76W...INCLUDING
WITHIN 90 NM OF COAST OF COLOMBIA...NE TO E WINDS 20 TO 25 KT.
SEAS TO 8 FT W OF 73W.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO 36 HOUR FORECAST FROM 22N TO 24.5N W OF 96W NW
TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 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