North Atlantic High Seas Forecast

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FZNT01 KWBC 171003
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1030 UTC SAT AUG 17 2019 

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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

METAREA IV BULLETIN WILL ONLY BE BROADCAST FROM THE INMARSAT 
AOE SATELLITE. PLEASE ENSURE YOUR RECEIVER IS POINTED 
CORRECTLY. 

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 
ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.SHTML 
(LOWERCASE EXCEPT CAPITAL A IN ATL). 

SECURITE 

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

SYNOPSIS VALID 0600 UTC AUG 17. 
24 HOUR FORECAST VALID 0600 UTC AUG 18. 
48 HOUR FORECAST VALID 0600 UTC AUG 19. 

.WARNINGS. 

...GALE WARNING...
.36 HOUR FORECAST NEW LOW 60N39W 1006 MB. FROM 60N TO 64N 
BETWEEN 39W AND 43W AREA OF N WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 61N38W 1003 MB. FROM 60N TO 63N BETWEEN 
39W AND 42W AREA OF N WINDS 25 TO 35 KT. SEAS 8 TO 11 FT. 
ELSEWHERE OVER FORECAST WATERS WITHIN 180 NM N AND W SEMICIRCLES 
WINDS TO 25 KT. SEAS TO 8 FT.

.SYNOPSIS AND FORECAST. 

.OVER FORECAST WATERS E OF A LINE FROM 62N35W TO 59N40W TO 
50N35W AREA OF N TO NW WINDS TO 25 KT. SEAS 8 TO 11 FT...HIGHEST 
NEAR 52N35W.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.OVER FORECAST WATERS WITHIN 120 NM EITHER SIDE OF A LINE FROM 
36N71W TO 32N78W WINDS TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST NEW LOW 40N70W 1014 MB. WITHIN 240 NM S AND 
180 NM SE QUADRANTS WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW 41N59W 1013 MB. WITHIN 300 NM S AND 180 NM 
SE QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.

.LOW 41N62W 1014 MB MOVING E 10 KT. WITHIN 300 NM SE QUADRANT 
WINDS TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST LOW 41N56W 1016 MB. WITHIN 240 NM S SEMICIRCLE 
WINDS LESS THAN 25 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST LOW DISSIPATED. 

.LOW 62N65W 1005 MB MOVING NE 15 KT. WITHIN 240 NM NE AND E OF A 
FRONT FROM 63N60W TO 60N57W TO 53N54W AND W OF 49W WINDS TO 25 
KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST LOW 63N58W 1002 MB. FROM 60N TO 65N BETWEEN 
49W AND 55W WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 64N53W 1001 MB. OVER FORECAST WATERS 
WITHIN 240 NM W SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW FORMING NEAR 
64N54W 1008 MB. WITHIN 240 NM W QUADRANT WINDS TO 25 KT. SEAS TO 
8 FT.

.LOW 41N52W 1017 MB MOVING SE 20 KT. WITHIN 300 NM S SEMICIRCLE 
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 39N42W 1015 MB. WITHIN 180 NM N SEMICIRCLE 
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. ELSEWHERE FROM 36N TO 42N 
BETWEEN 36W AND 48W WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 37N35W 1014 MB. OVER FORECAST WATERS FROM 
37N TO 41N E OF 40W WINDS TO 25 KT. SEAS TO 10 FT.

.OVER FORECAST WATERS FROM 37N TO 50N E OF 40W AREA OF N TO NW 
WINDS LESS THAN 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST CONDITIONS AS DESCRIBED WITH LOW 39N42W ABOVE.

.24 HOUR FORECAST WITHIN 120 NM EITHER SIDE OF A LINE FROM 
54N40W TO 52N54W AREA OF SW WINDS TO 25 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST NEW LOW 56N41W 1007 MB. OVER FORECAST WATERS 
WITHIN 360 NM S AND SE QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT.

.48 HOUR FORECAST OVER FORECAST WATERS FROM 34N TO 38N BETWEEN 
71W AND 75W AREA OF S TO SW WINDS 20 TO 30 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST 
WATERS FROM 41N TO 45N BETWEEN 63W AND 70W AND WITHIN 240 NM W 
OF A LINE FROM 50N48W TO 60N52W AND ALSO FROM 60N TO 63N W OF 
53W. 
.24 HOUR FORECAST DENSE FOG FROM 41N TO 43N BETWEEN 65W AND 
67W...FROM 45N TO 59N BETWEEN 40W AND 61W...AND FROM 60N TO 63N 
W OF 54W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 45N W OF 64W...FROM 43N 
TO 52N BETWEEN 45W AND 54W...BETWEEN 61N AND A LINE FROM 47N66W 
TO 52N50W AND FROM 50N TO 54N E OF 40W.

.HIGH 34N48W 1026 MB DRIFTING SW. 
.24 HOUR FORECAST HIGH 33N51W 1024 MB.
.48 HOUR FORECAST HIGH 33N52W 1021 MB. 

.HIGH 47N45W 1027 MB MOVING E 15 KT. 
.24 HOUR FORECAST HIGH 47N37W 1026 MB. 
.48 HOUR FORECAST HIGH E OF AREA. 

.24 HOUR FORECAST NEW HIGH 33N62W 1022 MB.
.48 HOUR FORECAST HIGH 33N60W 1021 MB. 

.24 HOUR FORECAST NEW HIGH 47N55W 1022 MB.
.48 HOUR FORECAST HIGH 46N56W 1020 MB. 

.FORECASTER BANCROFT. 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 SAT AUG 17.
24 HOUR FORECAST VALID 0600 UTC SUN AUG 18.
48 HOUR FORECAST VALID 0600 UTC MON AUG 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC 12 HOUR FORECAST S OF 21N BETWEEN 71W AND 75W...INCLUDING 
APPROACHES TO WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST S OF 21N BETWEEN 71W AND 73W E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC 12 HOUR FORECAST N OF 30N BETWEEN 78W AND 81W SW WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.CARIBBEAN FROM 14N TO 20N BETWEEN 77W AND 81W E TO SE WINDS 20 
TO 25 KT. SEAS TO 8 FT. ELSEWHERE S OF 13N BETWEEN 70W AND 
73W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT. SCATTERED TO NUMEROUS SHOWERS AND TSTMS 
W OF 79W.
.12 HOUR FORECAST FROM 12N TO 15N BETWEEN 81W AND 83W E TO SE 
WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE S OF 18N BETWEEN 84W 
AND 86W...INCLUDING THE GULF OF HONDURAS...E TO SE WINDS 20 TO 
30 KT. SEAS TO 8 FT. 
.18 HOUR FORECAST S OF 18N BETWEEN 85W AND 88W...INCLUDING THE 
GULF OF HONDURAS...E TO SE WINDS 20 TO 30 KT. SEAS 8 FT. FROM 
13N TO 15N BETWEEN 82W AND 84W NE TO E WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT. S OF 12N BETWEEN 70W AND 75W...INCLUDING GULF OF 
VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST S OF 18N W OF 86W...INCLUDING THE GULF OF 
HONDURAS...E TO SE WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. LITTLE
CHANGE S OF 12N.
.42 HOUR FORECAST S OF 17N BETWEEN 86W AND 88W...INCLUDING THE 
GULF OF HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT. S OF 13N BETWEEN 70W AND 75W...INCLUDING GULF OF 
VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST S OF 17N BETWEEN 86W AND 88W...INCLUDING THE 
GULF OF HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT. FROM 11N TO 17N BETWEEN 70W AND 76W...INCLUDING GULF OF 
VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. 

.GULF OF MEXICO 18 HOUR FORECAST FROM 22N TO 23N BETWEEN 88W AND 
92W NE TO E WINDS 20 TO 25 KT...EXCEPT E TO SE WINDS BETWEEN 88W 
AND 90W. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 19N TO 23N BETWEEN 89W AND 93W E TO SE 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 
.42 HOUR FORECAST FROM 21N TO 23N BETWEEN 88W AND 91W NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 19N TO 24N BETWEEN 90W AND 93W E TO SE 
WINDS 20 TO 25 KT. SEAS TO 8 FT.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.