North Atlantic High Seas Forecast

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FZNT01 KWBC 190934
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1030 UTC WED SEP 19 2018 

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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

SEE ANNOUNCEMENT OF PLANNED INMARSAT I-3 TO I-4 MIGRATION 
IN 2018 AT OCEAN.WEATHER.GOV/GMDSS_NOTICE.PHP (LOWERCASE). 

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE 
NATIONAL WEATHER SERVICE. EMAIL US AT 
VOSOPS@NOAA.GOV(LOWERCASE). 

FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH 
AMERICAN ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.SHTML 

SECURITE 

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

SYNOPSIS VALID 0600 UTC SEP 19. 
24 HOUR FORECAST VALID 0600 UTC SEP 20. 
48 HOUR FORECAST VALID 0600 UTC SEP 21. 

.WARNINGS. 

...GALE WARNING... 
.OVER FORECAST WATERS WITHIN 180 NM E OF A LINE FROM 57N48W TO 
64N39W TO 65N35W AREA OF N TO NE WINDS 25 TO 35 KT. SEAS 12 TO 
18 FT. 
.24 HOUR FORECAST FROM 51N TO 57N E OF 41W AREA OF N TO NW WINDS 
25 TO 35 KT. SEAS 9 TO 14 FT. 
.48 HOUR FORECAST CONDITIONS DIMINISHED. 

...GALE WARNING... 
.LOW 43N61W 1003 MB MOVING E 25 KT. WITHIN 180 NM S QUADRANT AND 
OVER FORECAST WATERS FROM 44N TO 47N W OF 47W WINDS 20 TO 30 KT. 
SEAS TO 11 FT. 
.06 HOUR FORECAST LOW 43N58W 1006 MB. WITHIN 240 NM N AND 120 NM 
S SEMICIRCLES WINDS 25 TO 35 KT. SEAS TO 13 FT. 
.24 HOUR FORECAST LOW 42N50W 1008 MB. FROM 42N TO 46N BETWEEN 
41W AND 64W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. 
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 42N43W 1002 
MB. WITHIN 300 NM NW SEMICIRCLE...AND 360 NM SE AND 720 NM SW 
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. 

...GALE WARNING... 
.LOW 41N70W 1004 MB MOVING SE 10 KT. OVER FORECAST WATERS WITHIN 
180 NM SE OF A FRONT FROM THE LOW TO 35N76W WINDS TO 25 KT. SEAS 
TO 8 FT. 
.24 HOUR FORECAST LOW 37N67W 1003 MB. WITHIN 240 NM NW 
SEMICIRCLE AND 300 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 
13 FT. 
.48 HOUR FORECAST LOW 36N60W 1005 MB. WITHIN 240 NM SE AND 180 
NM S QUADRANTS...AND 240 NM NW OF A LINE FROM 41N51W TO THE LOW 
WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. 

.SYNOPSIS AND FORECAST. 

.N OF 51N BETWEEN 52W AND 59W AREA OF N TO NW WINDS 20 TO 30 KT. 
SEAS TO 11 FT. 
.24 HOUR FORECAST WITHIN 60 NM SW OF A LINE FROM 63N52W TO 
60N47W AREA OF NW WINDS TO 25 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST WITHIN 120 NM S OF A LINE FROM 61N49W TO 
60N45W TO 60N37W AREA OF W TO NW WINDS 20 TO 30 KT. SEAS TO 11 
FT.  

.LOW 45N38W 1006 MB MOVING NE 35 KT. OVER FORECAST WATERS FROM 
40N TO 45N E OF 52W WINDS TO 25 KT. SEAS TO 10 FT. 
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA. 

.OVER FORECAST WATERS FROM 52N TO 55N E OF 50W AREA OF W TO NW 
WINDS TO 25 KT. SEAS 9 TO 14 FT. 
.24 HOUR FORECAST CONDITIONS DIMINISHED. 

.HIGH 33N43W 1021 MB MOVING E 15 KT. 
.24 HOUR FORECAST HIGH 34N36W 1021 MB. 
.48 HOUR FORECAST HIGH DISSIPATED. 

.48 HOUR FORECAST HIGH 53N46W 1023 MB. 

.FORECASTER BELL. 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 WED SEP 19.
24 HOUR FORECAST VALID 0600 UTC THU SEP 20.
48 HOUR FORECAST VALID 0600 UTC FRI SEP 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC FROM 11N TO 17N BETWEEN 44W AND 57W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN NE TO E SWELL. FROM 08N TO 11N BETWEEN 43W AND 
48W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NE SWELL. 
.24 HOUR FORECAST FROM 11N TO 17.5N BETWEEN 55W AND 62W... 
INCLUDING CARIBBEAN PASSAGES...WINDS 20 KT OR LESS. SEAS TO 9 FT 
IN E SWELL. FROM 10N TO 12N BETWEEN 41W AND 49W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN NE TO E SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC 36 HOUR FORECAST OVER WATERS N OF 30N BETWEEN 62W AND 68W 
SW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST N OF 29.5N BETWEEN 59W AND 71W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN N TO NE SWELL EXCEPT SW SWELL E OF 64W.

.CARIBBEAN FROM 11N TO 16.5N BETWEEN 69W AND 78W...INCLUDING THE 
GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST FROM 11N TO 16N BETWEEN 70W AND 82W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 10 FT. FROM 12N TO 15N BETWEEN 64W 
AND 70W WINDS 20 KT OR LESS. SEAS TO 8 FT IN E SWELL.
.48 HOUR FORECAST FROM 11.5N TO 17.5N BETWEEN 69W AND 78W NE TO 
E WINDS 20 TO 25 KT. SEAS TO 9 FT. FROM 12N TO 15N BETWEEN 64W 
AND 69W E WINDS 20 TO 25 KT. SEAS TO 8 FT.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.