High Seas Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZNT01 KWBC 281553
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC WED SEP 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SEP 28
24 HOUR FORECAST VALID 1200 UTC SEP 29
48 HOUR FORECAST VALID 1200 UTC SEP 30

.WARNINGS.

...GALE WARNING...
.LOW 36N72W 1010 MB MOVING NE 20 KT. WITHIN 180 NM NE AND 300 NM
E AND SE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW 42N59W 1016 MB WITH FRONT FROM CENTER TO
39N67W. WITHIN 300 NM E QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 14
FT. ELSEWHERE WITHIN 420 NM E AND SE QUADRANTS AND 240 NM N OF
FRONT WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW 47N46W 1002 MB. WITHIN 120 NM OF CENTER
EXCEPT NE QUADRANT WINDS 30 TO 45 KT. SEAS 10 TO 19 FT.
ELSEWHERE OVER FORECAST WATERS FROM 39N TO 50N BETWEEN 46W AND
60W WINDS 20 TO 30 KT. SEAS TO 12 FT.

...GALE WARNING...
.LOW 60N43W 1003 MB NEARLY STATIONARY WILL MOVE E AFTER 12
HOURS. OVER FORECAST WATERS WITHIN 660 NM SW QUADRANT WINDS 20
TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 60N40W 1001 MB. WITHIN 300 NM W AND SW
QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 16 FT. ALSO WITHIN 480
NM SW AND 660 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW MOVED E OF AREA. WITHIN AREA FROM 57N TO
60N BETWEEN 36W AND 46W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

...GALE WARNING...
.24 HOUR FORECAST OVER FORECAST WATERS WITHIN 180 NM N OF A LINE
FROM 39N67W TO 38N75W AREA OF NE WINDS 20 TO 30 KT. SEAS TO 9
FT. .36 HOUR FORECAST FROM 39N TO 41N BETWEEN 70W AND 74W E TO
NE WINDS 25 TO 35 KT. SEAS 9 TO 12 FT.
.48 HOUR FORECAST FROM 39N TO 42N BETWEEN 68W AND 74W E TO NE
WINDS 25 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE FROM 38N TO 43N W
OF 66W WINDS TO 25 KT. SEAS TO 9 FT.

.SYNOPSIS AND FORECAST.

.AREA FROM 35W TO 46W BETWEEN 52N AND 37N WINDS 20 TO 30 KT.
SEAS 9 TO 16 FT.
.24 HOUR FORECAST CONDITIONS MOVED E OF AREA.

.LOW 45N60W 1020 MB MOVING NE 10 KT. WITHIN 240 NM S AND 180 NM
N SEMICIRCLES WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 45N58W 1024 MB. WITHIN 240 NM NW SEMCIRCLE
WINDS TO 25 KT. SEAS TO 8 FT.
.36 HOUR FORECAST CONDITIONS DIMINISHED.

.36 HR FORECAST NEW LOW 67N63W 1004 MB. WITHIN 480 NM S QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST NEW LOW 67N59W 999 MB. WITHIN 480 NM S
QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

.HIGH 39N44W 1033 MB MOVING N 10 KT.
.24 HOUR FORECAST HIGH 42N42W 1035 MB.
.48 HOUR FORECAST HIGH MERGED WITH HIGH 41N35W DESCRIBED BELOW.

.24 HOUR FORECAST NEW HIGH 47N47W 1036 MB.
.48 HOUR FORECAST HIGH 42N37W 1031 MB.

.48 HOUR FORECAST NEW HIGH 50N47W 1026 MB.

.FORECASTER SIENKIEWICZ. 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 WED SEP 28.
24 HOUR FORECAST VALID 1200 UTC THU SEP 29.
48 HOUR FORECAST VALID 1200 UTC FRI SEP 30.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM MATTHEW NEAR 13.4N 60.7W 1008 MB AT 1500 UTC SEP
28 MOVING W OR 275 DEG AT 18 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM NE...90 NM
SE...0 NM SW AND 60 NM NW QUADRANTS. SEAS 12 FT OR GREATER
WITHIN 0 NM W SEMICIRCLE...180 NM NE QUADRANT AND 90 NM SE
QUADRANT WITH SEAS TO 17 FT. ELSEWHERE WITHIN 150 NM N AND 30 NM
S SEMICIRCLES WINDS 25 TO 33 KT. SEAS 9 TO 15 FT. REMAINDER AREA
FROM 12N TO 20N BETWEEN 50W AND 62W NE TO E WINDS 20 TO 30 KT.
SEAS 8 TO 13 FT.
.24 HOUR FORECAST TROPICAL STORM MATTHEW NEAR 13.9N 66.4W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 140 NM NE...80 NM SE...40 NM SW AND 70 NM NW
QUADRANTS. SEAS 12 FT OR GREATER WITHIN 240 NM NE...150 NM SE...
60 NM SW AND 180 NM NW QUADRANTS WITH SEAS TO 22 FT. ELSEWHERE
WITHIN 330 NM NE AND 120 NM SW SEMICIRCLES WINDS 20 TO 33 KT.
SEAS 8 TO 12 FT.
.48 HOUR FORECAST HURRICANE MATTHEW NEAR 13.8N 71.2W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM NE...80 NM SE...50 NM SW AND 100 NM NW QUADRANTS.
SEAS 12 FT OR GREATER WITHIN 210 NM N AND 120 NM S SEMICIRCLES
WITH SEAS TO 28 FT. ELSEWHERE WITHIN 240 NM N AND 180 NM S
SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. FROM 12N TO 18N
BETWEEN 75W AND 79W WINDS 20 KT OR LESS. SEAS TO 10 FT IN E
SWELL.
.72 HOUR FORECAST HURRICANE MATTHEW NEAR 13.5N 74.2W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE MATTHEW NEAR 14.8N 75.6W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.
.120 HOUR FORECAST HURRICANE MATTHEW NEAR 17.5N 76.5W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 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 36 HOUR FORECAST FROM 18.5N TO 21.5N BETWEEN 71W AND
76W...INCLUDING THE WINDWARD PASSAGE...NE TO E WINDS 20 TO 25
KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 19N TO 21N BETWEEN 71W AND 75W...
INCLUDING THE WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS
TO 8 FT.

.ATLC 36 HOUR FORECAST FROM 17N TO 22N E OF 41W NE TO E WINDS 20
TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST FROM 17N TO 22N BETWEEN 36W AND 43W NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

.CARIBBEAN FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E WINDS 20
TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 74W AND 78W...
INCLUDING WITHIN 90 NM OF COAST OF COLOMBIA...NE TO E WINDS 20
TO 25 KT. SEAS 8 TO 9 FT.
.48 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.

$$
.FORECASTERS MCELROY/MUNDELL. NATIONAL HURRICANE CENTER.


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.