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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 010338 CCA
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
0430 UTC SAT OCT 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0000 UTC OCT 01 
24 HOUR FORECAST VALID 0000 UTC OCT 02 
48 HOUR FORECAST VALID 0000 UTC OCT 03 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING... 
.LOW 48N41W 993 MB MOVING NE 20 KT AND WILL RAPIDLY INTENSIFY. 
WITHIN 180 NM W SEMICIRCLE WINDS 35 TO 50 KT. SEAS 14 TO 22 FT. 
ELSEWHERE WITHIN 300 NM N AND 540 NM S SEMICIRCLES WINDS 25 TO 
35 KT. SEAS 9 TO 16 FT. 
.12 HOUR FORECAST LOW 49N35W 979 MB. WITHIN 180 NM W SEMICIRCLE  
WINDS 50 TO 65 KT. SEAS 16 TO 26 FT.
.24 HOUR FORECAST LOW E OF AREA NEAR 52N31W 966 MB. OVER
FORECAST WATERS FROM 41N TO 56N E OF 39W WINDS 25 TO 40 KT. SEAS
12 TO 24 FT. 
.48 HOUR FORECAST LOW E OF AREA NEAR 58N30W 952 MB. OVER 
FORECAST WATERS N OF 54N AND E OF 44W WINDS 35 TO 50 KT. SEAS 14 
TO 26 FT. ELSEWHERE N OF A LINE FROM 42N35W TO 45N45W TO 57N59W 
WINDS 25 TO 35 KT. SEAS 9 TO 17 FT. 

...STORM WARNING... 
.LOW 61N39W 997 MB MOVING E 05 KT. WITHIN 240 NM S SEMICIRCLE 
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. 
.24 HOUR FORECAST LOW 61N37W 987 MB WITH A TROUGH FROM CENTER TO 
63N38W TO 64N35W. W AND N OF THE TROUGH TO THE GREENLAND COAST  
WINDS 35 TO 50 KT. SEAS 12 TO 22 FT. ELSEWHERE WITHIN 180 NM SW 
QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. 
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DESCRIBED WITH  
LOW 58N30W NOTED ABOVE. 

...GALE WARNING... 
.LOW 65N57W 1000 MB MOVING SE 20 KT. OVER FORECAST WATERS 
BETWEEN 120 NM AND 420 NM SW AND S QUADRANTS WINDS 20 TO 30 KT. 
SEAS 8 TO 12 FT. 
.24 HOUR FORECAST LOW 55N45W 997 MB. WITHIN 540 NM W SEMICIRCLE 
WINDS 25 TO 40 KT. SEAS 8 TO 15 FT. 
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DESCRIBED WITH  
LOW 58N30W NOTED ABOVE. 

...GALE WARNING... 
.LOW 39N73W 1018 MB MOVING NE 05 KT. OVER FORECAST WATERS FROM 
39N TO 42N W OF 69W AREA OF E TO NE WINDS 25 TO 35 KT. SEAS 8 TO 
14 FT.
.24 HOUR FORECAST LOW 41N69W 1018 MB. WITHIN 180 NM N AND NE 
SEMICIRCLES WINDS TO 25 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST LOW 42N63W 1014 MB. WITHIN 180 NM OF CENTER  
WINDS TO 25 KT. SEAS TO 8 FT. 

.SYNOPSIS AND FORECAST. 

.24 HOUR FORECAST HIGH 43N59W 1027 MB. 
.48 HOUR FORECAST HIGH 36N54W 1022 MB. 

.FORECASTER VUKITS. 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 0000 UTC SAT OCT 01.
24 HOUR FORECAST VALID 0000 UTC SUN OCT 02.
48 HOUR FORECAST VALID 0000 UTC MON OCT 03.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE MATTHEW NEAR 13.3N 72.3W 941 MB AT 0300 UTC OCT 01
MOVING W OR 265 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 140 KT
GUSTS 170 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM NE
QUADRANT...60 NM SE QUADRANT...50 NM SW QUADRANT...AND 170 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE QUADRANT...150
NM SE QUADRANT...270 NM SW QUADRANT...AND 330 NM NW QUADRANT
WITH SEAS TO 45 FT. ELSEWHERE WITHIN 300 NM OF CENTER... EXCEPT
120 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER
OF AREA FROM 10N TO 18N BETWEEN 68W AND 80W WINDS 20 KT OR LESS.
SEAS 8 TO 11 FT IN E SWELL. FROM 19N TO 21N BETWEEN 71W AND
76W...INCLUDING THE WINDWARD PASSAGE...NE TO E WINDS 20 TO 25
KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST HURRICANE MATTHEW NEAR 13.7N 74.2W. MAXIMUM
SUSTAINED WINDS 125 KT GUSTS 150 KT. TROPICAL STORM FORCE WINDS
WITHIN 150 NM NE QUADRANT...90 NM SE QUADRANT...60 NM SW
QUADRANT...AND 140 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
210 NM NE QUADRANT...120 NM SE QUADRANT...AND 360 NM W
SEMICIRCLE WITH SEAS TO 48 FT. ELSEWHERE WITHIN 300 NM NE
SEMICIRCLE AND 150 NM SW SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO
12 FT. REMAINDER OF AREA FROM S OF A LINE FROM 16N70W TO 19N76W
TO 15N82W TO 11N83W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN E
SWELL. FROM 19N TO 21N BETWEEN 71W AND 76W...INCLUDING THE
WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST HURRICANE MATTHEW NEAR 16.0N 76.0W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS
WITHIN 170 NM NE QUADRANT...120 NM SE QUADRANT...70 NM SW
QUADRANT...AND 140 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
180 NM NE QUADRANT...150 NM SE QUADRANT...AND 270 NM W
SEMICIRCLE WITH SEAS TO 44 FT. ELSEWHERE WITHIN 240 NM SE
SEMICIRCLE AND 180 NM NW SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO
12 FT. REMAINDER OF AREA S OF A LINE FROM 17N71W TO 19N76W TO
16N82W AND N OF 11N WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN E
SWELL. FROM 19N TO 22N BETWEEN 70W AND 76W...INCLUDING THE
WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.72 HOUR FORECAST HURRICANE MATTHEW NEAR 19.0N 76.3W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE MATTHEW NEAR 23.1N 76.3W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.
.120 HOUR FORECAST HURRICANE MATTHEW NEAR 26.0N 76.5W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 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 13N TO 22N BETWEEN 44W AND 52W E TO SE WINDS 20 TO 25
KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST FROM 18N TO 23N BETWEEN 50W AND 58W E TO SE
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST FROM 21N TO 24N BETWEEN 55W AND 61W E TO SE
WINDS 20 TO 25 KT. SEAS 8 FT.

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

$$
.FORECASTER LEWITSKY. 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