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National Weather Service Marine Forecast FZNT01 KWBC

FZNT01 KWBC 201559
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI APR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC APR 20.
24 HOUR FORECAST VALID 1200 UTC APR 21.
48 HOUR FORECAST VALID 1200 UTC APR 22.

.WARNINGS.

GALE WARNING

.LOW 46N58W 996 MB MOVING NE 20 KT. WITHIN 480 NM S QUADRANT
WINDS 30 TO 40 KT. SEAS 8 TO 16 FT. ELSEWHERE WITHIN 660 NM SE

780 NM SW
AND 240 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS
TO 10 FT.
.24 HOUR FORECAST LOW 51N53W 992 MB. WITHIN 300 NM SE OF A FRONT
TO EXTEND FROM 45N43W TO 39N50W WINDS 30 TO 40 KT. SEAS 8 TO 15
FT. ELSEWHERE WITHIN 480 NM OF LOW CENTER WINDS 20 TO 30 KT.
SEAS TO 11 FT.
.48 HOUR FORECAST LOW 54N47W 990 MB. OVER ICE FREE FORECAST
WATERS WITHIN 480 NM SE...360 NM SW QUADRANTS... AND WITHIN 120
NM N OF A FRONT FROM 56N51W TO 58N40W AND WITHIN 120 NM SE OF A
FRONT FROM 46N35W TO 39N45W WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.

.SYNOPSIS AND FORECAST.

.LOW 53N45W 1000 MB MOVING E 20 KT. OVER FORECAST WATERS WITHIN
480 NM SE...240 NM S QUADRANTS...AND BETWEEN 180 NM AND 360 NM
NW SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.

.LOW E OF AREA 62N34W 1005 MB. WITHIN 240 NM NW SEMICIRCLE WINDS
20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.OVER FORECAST WATERS S OF 35N W OF 72W AREA OF N TO NW WINDS 20
TO 30 KT. SEAS TO 9 FT.

.LIGHT TO MODERATE FREEZING SPRAY N OF 61N W OF 55W.
.24 HOUR FORECAST CONDITIONS IMPROVED. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 46N
BETWEEN 48W AND 56W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 47N BETWEEN 38W AND 45W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.HIGH 34N37W 1034 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH 35N37W 1032 MB.
.48 HOUR FORECAST HIGH E OF AREA.

.48 HOUR FORECAST NEW HIGH 40N52W 1020 MB.

.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 1200 UTC FRI APR 20.
24 HOUR FORECAST VALID 1200 UTC SAT APR 21.
48 HOUR FORECAST VALID 1200 UTC SUN APR 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N72W TO 28N80W. W OF FRONT NE WINDS 20
TO 25 KT. SEAS TO 8 FT. S OF 21N BETWEEN 70W AND 74W E WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N60W TO 27N67W THEN
STATIONARY TO 26N80W. N OF 27N W OF 75W NE TO E WINDS 20 TO 25
KT. SEAS TO 9 FT. S OF 21N BETWEEN 70W AND 74W E WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.

48 HOUR FORECAST COLD FRONT FROM 31N55W TO 27N62W
THEN
STATIONARY TO 26N80W. FROM 25.5N TO 29N W OF 73W NE TO E WINDS
20 TO 25 KT. SEAS TO 9 FT.

.ATLC WITHIN AREA BOUNDED BY A LINE FROM 31N38W TO 31N35W TO
07N35W TO 06N51W TO 19N64W TO 31N38W WINDS 20 KT OR LESS. SEAS 8
TO 11 FT PRIMARILY IN N SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY A LINE FROM 31N35W TO
07N35W TO 06N52W TO 18N62W TO 31N35W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT PRIMARILY IN N SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 26N35W TO 12N35W TO
06N52W TO 08N57W TO 26N35W WINDS 20 KT OR LESS. SEAS TO 8 FT IN
N SWELL.

.CARIBBEAN FROM 10.5N TO 18N BETWEEN 67W AND 78W NE TO E WINDS
20 TO 30 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 10N TO 17N BETWEEN
77W AND 81W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN E
SWELL.
.24 HOUR FORECAST FROM 10.5N TO 16N BETWEEN 71W AND 80W NE TO E
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 10N TO 17N
BETWEEN 75W AND 82W WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY
IN E SWELL.
.48 HOUR FORECAST FROM 10.5N TO 14N BETWEEN 71W AND 78W NE WINDS
20 TO 25 KT. SEAS TO 11 FT. ELSEWHERE FROM 10N TO 15N BETWEEN
74W AND 82W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN E
SWELL. N OF 17N BETWEEN 71W AND 73W E WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.

.GULF OF MEXICO 12 HOUR FORECAST STATIONARY FRONT FROM 26N82W TO
26N97W. N OF 27N E OF 84W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT. FROM 19N TO 21N E OF 92W NE WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.24 HOUR FORECAST WARM FRONT FROM 25.5N81W TO 28N96W. N OF 27N E
OF 88W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WARM FRONT FROM 27N82W TO 29N91W. WINDS 20 KT
OR LESS. SEAS LESS THAN 8 FT.

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


.FORECASTER NELSON. NATIONAL HURRICANE CENTER.