High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 202132
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SUN MAY 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAY 20.
24 HOUR FORECAST VALID 1800 UTC MAY 21.
48 HOUR FORECAST VALID 1800 UTC MAY 22.

.WARNINGS.

...STORM WARNING...
.INLAND LOW 52N58W 992 MB MOVING NE 35 KT AND RAPIDLY
INTENSIFYING. OVER FORECAST WATERS WITHIN 480 NM SE AND 660 NM
SW QUADRANTS WINDS 25 TO 35 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 56N43W 974 MB. WITHIN 180 NM SE AND NW
SEMICIRCLES WINDS 30 TO 45 KT. SEAS 10 TO 20 FT...HIGHEST SE.
ELSEWHERE E OF A FRONT FROM 57N37W TO 50N37W TO 43N48W WINDS 25
TO 40 KT. SEAS 9 TO 18 FT.
.36 HOUR FORECAST LOW 58N40W 975 MB. FRONT TO EXTEND FROM 57N42W
TO 62N39W TO 61N35W. WITHIN 90 NM W AND NW OF FRONT W OF 39W
WINDS 40 TO 55 KT. SEAS 14 TO 22 FT.
.48 HOUR FORECAST LOW 61N35W 977 MB. OVER ICE FREE WATERS
BETWEEN THE GREENLAND COAST AND A FRONT FROM 60N41W TO 63N40W TO
64N35W  WINDS 40 TO 55 KT. SEAS 15 TO 25 FT. ELSEWHERE WITHIN
360 NM S AND BETWEEN 120 AND 480 NM SW AND W QUADRANTS WINDS 25
TO 40 KT. SEAS 10 TO 20 FT. ALSO WITHIN 240 NM E AND SE OF A
FRONT FROM 44N35W TO 38N46W WINDS 20 TO 30 KT. SEAS TO 10 FT.

.SYNOPSIS AND FORECAST.

.LOW 62N40W 994 MB MOVING NE 10 KT. WITHIN 180 NM S QUADRANT
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
IN WARNINGS SECTION.

.48 HOUR FORECAST LOW 47N42W 1010 MB. WITHIN 300 NM S AND SW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS W OF A LINE FROM 52N52W TO 44N53W TO 40N63W.
.24 HOUR FORECAST DENSE FOG FROM 51N TO 55N W OF 38W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.HIGH 33N55W 1030 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH 32N53W 1026 MB.
.48 HOUR FORECAST HIGH S OF AREA.

.HIGH 39N44W 1031 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH E OF AREA.

.FORECASTER KREKELER. 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 1800 UTC SUN MAY 20.
24 HOUR FORECAST VALID 1800 UTC MON MAY 21.
48 HOUR FORECAST VALID 1800 UTC TUE MAY 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC S OF LINE FROM 21N67W TO 26N73W TO 25N76W...INCLUDING
ATLC APPROACH TO WINDWARD PASSAGE...E TO SE WINDS 20 TO 30 KT.
SEAS 8 TO 10 FT OUTSIDE BAHAMAS.
.24 HOUR FORECAST S OF 23N BETWEEN 70W AND 79W...INCLUDING ATLC
APPROACH TO WINDWARD PASSAGE...E TO SE WINDS 20 TO 25 KT. SEAS
TO 8 FT OUTSIDE BAHAMAS.
.48 HOUR FORECAST S OF 22N BETWEEN 70W AND 73W...INCLUDING ATLC
APPROACH TO WINDWARD PASSAGE...E TO SE WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.

.ATLC S OF 13N BETWEEN 42W AND 50W WINDS 20 KT OR LESS. SEAS 8
FT IN NE SWELL.
.24 HOUR FORECAST S OF 12N BETWEEN 47W AND 56W WINDS 20 KT OR
LESS. SEAS 8 FT IN NE SWELL.
.48 HOUR FORECAST S OF 11N BETWEEN 52W AND 58W WINDS 20 KT OR
LESS. SEAS 8 FT IN NE SWELL.

.CARIBBEAN FROM 11N TO 18N BETWEEN 70W AND 79W...INCLUDING
GULF OF VENEZUELA...E WINDS 20 TO 25 KT. SEAS TO 8 FT. FROM 18N
TO 19N BETWEEN 76W AND 79W E TO SE WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST FROM 13N TO 18N BETWEEN 70W AND 79W E TO SE
WINDS 20 TO 25 KT. SEAS TO 8 FT. FROM 18N TO 19N BETWEEN 76W AND
79W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO FROM 19N TO 22N BETWEEN 89W AND 91.5W N TO NE
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 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 MCELROY. NATIONAL HURRICANE CENTER.



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