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
000
FZNT01 KWBC 162217
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC MON OCT 16 2017

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

ATLANTIC ICEBERG ANALYSIS AND OUTLOOK PRODUCTS...COURTESY OF
THE U.S. COAST GUARD INTERNATIONAL ICE PATROL...CAN BE FOUND
ON THE OCEAN PREDICTION CENTER WEB PAGE AT
HTTP://WWW.OPC.NCEP.NOAA.GOV/ATL_TAB.SHTML(LOWERCASE).

THE U.S. COAST GUARD IS CURRENTLY EXPERIENCING DEGRADATION IN
IMAGE QUALITY OF ALL HFFAX PRODUCTS. TROUBLESHOOTING OF THE
PROBLEM IS TAKING PLACE.

SECURITE

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

SYNOPSIS VALID 1800 UTC OCT 16
24 HOUR FORECAST VALID 1800 UTC OCT 17
48 HOUR FORECAST VALID 1800 UTC OCT 18

.WARNINGS.

...STORM WARNING...
.LOW E OF AREA 60N34W 989 MB MOVING NW 15 KT WILL TURN S. OVER
FORECAST WATERS E OF A LINE FROM 55N35W TO 60N43W TO 64N41W
WINDS 20 TO 30 KT. SEAS 10 TO 17 FT.
.12 HOUR FORECAST 62N41W 982 MB. N OF 64N BETWEEN GREENLAND AND
35W WINDS 35 TO 50 KT. SEAS 10 TO 19 FT. ELSEWHERE N OF 59N TO
64N BETWEEN 44W AND 35W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 61N41W 992 MB. N OF 64N BETWEEN GREENLAND
AND 35W WINDS 30 TO 45 KT. SEAS 10 TO 18 FT. ELSEWHERE N OF 63N
BETWEEN GREENLAND AND 35W...ALSO FROM 58N TO 61N BETWEEN 39W AND
44W WINDS 25 TO 35 KT. SEAS 9 TO 13 FT.
.48 HOUR FORECAST LOW 64N39W 992 MB. N OF 65N BETWEEN GREENLAND
AND 35W WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. ELSEWHERE FROM 57N
TO 60N AND E OF 43W TO 35W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

...GALE WARNING...
.LOW 52N51W 985 MB MOVING E 35 KT. OVER FORECAST WATERS WITHIN
720 NM S AND SE...240 NM N SEMICIRCLE WINDS 25 TO 35 KT. SEAS 10
TO 17 FT.
.12 HOUR FORECAST LOW 53N39W 983 MB. WITHIN 300 NM S AND 240 NM
SW QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 19 FT. ELSEWHERE
WITHIN 720 NM S..300 NM W...180 NM N..240 NM E QUADRANTS WINDS
20 TO 30 KT. SEAS 10 TO 15 FT.
.24 HOUR FORECAST LOW 53N29W 991 MB. FROM 41N TO 56N E OF 38W
WINDS 20 TO 30 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST LOW AND CONDITIONS MOVED WELL E OF AREA.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 46N49W 1004 MB. BETWEEN 120 NM AND 420
NM S AND SE QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 15 FT. ALSO
WITHIN 540 NM SE AND 720 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS
8 TO 10 FT.
.36 HOUR FORECAST LOW 48N38W 998 MB. WITHIN 300 NM E AND 420 NM
S QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 18 FT. ELSEWHERE
WITHIN 180 NM NE...360 NM NW...840 NM SW...480 NM SE QUADRANTS
WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW WELL E OF WATERS 49N23W 989 MB. WITHIN 240
NM SE OF A LINE FROM 42N35W TO 40N44W WINDS 20 TO 30 KT. SEAS 9
TO 15 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 34N65W 1013 MB. WITHIN 300 NM NE AND
240 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS TO 9 FT. ELSEWHERE
WITHIN 240 NM N AND NW OF A FRONT FROM 34N65W TO 31N74W WINDS 20
TO 30 KT. SEAS 9 TO 13 FT.
.48 HOUR FORECAST LOW 40N52W 1010 MB. OVER FORECAST WATERS
WITHIN 240 NM SE AND 120 NM NW SEMICIRCLES WINDS 25 TO 35 KT.
SEAS 8 TO 13 FT. ELSEWHERE WITHIN 120 NM N OF FRONT FROM 36N57W
TO 31N70W WINDS TO 25 KT. SEAS TO 10 FT.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST WITHIN 360 NM NW OF A LINE FROM 47N56W TO
42N64W SW TO W WINDS 20 TO 30 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 50N
BETWEEN 44W AND 58W.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM S OF A LINE FROM
46N54W TO 47N43W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.HIGH 34N40W 1030 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH 32N37W 1031 MB.
.48 HOUR FORECAST HIGH 31N35W 1028 MB.

.24 HOUR FORECAST HIGH 49N42W 1017 MB.
.48 HOUR FORECAST HIGH WELL E OF WATERS.

.48 HOUR FORECAST HIGH 37N76W 1027 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 1800 UTC MON OCT 16.
24 HOUR FORECAST VALID 1800 UTC TUE OCT 17.
48 HOUR FORECAST VALID 1800 UTC WED OCT 18.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...

.GULF OF MEXICO COLD FRONT FROM 30N84W TO 27N90W TO 19N96W.
WITHIN 105 NM OF COAST OF MEXICO N TO NW WINDS 30 TO 40 KT. SEAS
9 TO 14 FT. ELSEWHERE W OF FRONT W OF 92W N TO NE WINDS 20 TO 25
KT. SEAS TO 9 FT.
.24 HOUR FORECAST COLD FRONT FROM 29N82W TO 26N90W TO 22N95W
THEN STATIONARY TO 19N95W. S OF 21N W OF 95W NW WINDS 30 TO 35
KT. SEAS 10 TO 16 FT. ELSEWHERE S OF 24N W OF 94W N TO NW WINDS
20 TO 30 KT. SEAS 8 TO 11 FT.
.36 HOUR FORECAST STATIONARY FRONT FROM 28N82W TO 27N90W TO
19N95W. S OF 21N W OF 94W NW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 29N83W TO
28N90W TO 22N95W. S OF 20N W OF 95W NW WINDS 20 TO 25 KT. SEAS 8
TO 10 FT.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES 25N70W 1012 MB WITH TROUGH TO 31N71W. FROM 21N TO
28N E OF LOW BETWEEN 64W AND 70W SE WINDS 20 TO 30 KT. SEAS 8 TO
13 FT. ELSEWHERE FROM 21N TO 30N BETWEEN 63W AND 71W AND FROM
14N TO 22N BETWEEN 54W AND 63W WINDS 20 KT OR LESS. SEAS TO 9 FT
PRIMARILY IN SE SWELL.
.24 HOUR FORECAST LOW PRES N OF THE FORECAST AREA. REMNANT
TROUGH FROM 31N66W TO 26N69W. E OF TROUGH N OF 27N BETWEEN 62W
AND 66W S WINDS 20 TO 30 KT. SEAS 9 TO 13 FT. ELSEWHERE N OF 26N
BETWEEN 60W AND 67W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN SE
SWELL.
.36 HOUR FORECAST TROUGH FROM 31N65W TO 28N68W. WINDS 20 KT OR
LESS. SEAS LESS THAN 8 FT.

.ATLC 12 HOUR FORECAST COLD FRONT FROM 31N80W TO 30N81W. W OF
THE FRONT NE WINDS 20 TO 25 KT. SEAS LESS TO 8 FT.
.24 HOUR FORECAST STATIONARY FRONT FROM 30N80W TO 29N81W. W OF
FRONT NE WINDS 20 TO 25 KT. SEAS TO 11 FT.
.48 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 31N76W TO
29N81W. W OF LINE FROM 31N72W TO 28N79W NE WINDS 20 TO 25 KT.
SEAS TO 9 FT.

.CARIBBEAN 30 HOUR FORECAST S OF 14N BETWEEN 69W AND 74W NE TO E
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 12N TO 15N BETWEEN 70W AND 74W E WINDS 20
TO 25 KT. SEAS TO 9 FT.

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

$$
.FORECASTER RAMOS. 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.