FZNT01 KWBC 171654
HSFAT1 1630
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC TUE SEP 17 2024
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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
[email protected](LOWERCASE).
FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH
ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP
(ALL LOWERCASE).
FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).
THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL
OCTOBER 16 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN
DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND
GRAPHICAL PRODUCTS FOR THE HIGH SEAS AREAS ONLY.
TO LEARN MORE PLEASE VISIT (WEB ADDRESS LOWERCASE)
HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP
FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH
ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG
WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO
WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 12 FEET OR
GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH,
AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER
CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO
PRESERVE CONTINUITY WHERE APPROPRIATE.
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 1200 UTC SEP 17.
24 HOUR FORECAST VALID 1200 UTC SEP 18.
48 HOUR FORECAST VALID 1200 UTC SEP 19.
.WARNINGS.
…GALE WARNING…
.LOW 50N47W 1001 MB MOVING SE 10 KT. FROM 42N TO 50N AND BETWEEN
40W AND 57W WINDS 25 TO 35 KT. SEAS TO 12 FT. ALSO WITHIN 180
NM N SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 49N39W 1002 MB. FROM 43N TO 54N E OF 44W
WINDS 25 TO 35 KT. SEAS 8 TO 16 FT. ALSO FROM 38N TO 43N E OF
44W WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 54N39W 1001 MB. WITHIN 300 NM N SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ALSO WITHIN 300 NM S
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 10 FT.
…GALE WARNING…
.LOW 52N32W 991 MB MOVING NE 35 KT. FROM 42N TO 58N E OF 40W
WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. ELSEWHERE FROM 34N TO 42N E
OF 36W WINDS TO 25 KT. SEAS TO 10FT.
.24 HOUR FORECAST LOW AND CONDITIONS E OF AREA.
…GALE WARNING…
.LOW 29N49W 1008 MB MOVING SE 05 KT. S OF 35N BETWEEN 44W AND
58W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 26N52W 1008 MB. S OF 35N BETWEEN 44W AND
58W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 25N54W 1006 MB. S OF 35N BETWEEN 44W AND
61W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.SYNOPSIS AND FORECAST.
.NEW LOW 35N76W 1012 MB MOVING NE 05 KT. FROM 33N TO 39N BETWEEN
58W AND 76W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 37N74W 1012 MB. FROM 36N TO 40N BETWEEN 63W
AND 75W WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 39N73W 1007 MB. WITHIN 240 NM NW SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 8 FT. ALSO FROM 37N TO 41N BETWEEN
60W AND
65W WINDS TO 25 KT. SEAS TO 8 FT.
FROM 58N TO 66N E OF 43W WINDS LESS THAN 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST CONDITIONS E OF AREA.
.48 HOUR FORECAST NEW LOW 61N55W 1018 MB. WITHIN 24O NM N
SEMICIRCLE
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM SW OF
A LINE FROM 50N46W TO 64N65W.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM SW OF A LINE FROM
52N50W TO 64N64W AND N OF 64N E OF 38W.
.48 HOUR FORECAST DENSE FOG WITHIN 90 NM SW OF A LINE FROM
54N51W TO 58N60W TO 64N64W…FROM 44N TO 57N BETWEEN 37W AND
45W…AND FROM 40N TO 42N W OF 67W.
.FORECASTER POCHE. OCEAN PREDICTION CENTER.
NWS NATIONAL HURRICANE CENTER MIAMI FL
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO
SYNOPSIS VALID 1200 UTC TUE SEP 17.
24 HOUR FORECAST VALID 1200 UTC WED SEP 18.
48 HOUR FORECAST VALID 1200 UTC THU SEP 19.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.TROPICAL DEPRESSION GORDON NEAR 19.5N 49.1W 1007 MB AT 1500 UTC
SEP 17 MOVING N OR 360 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 25
KT GUSTS 25 KT. WITHIN 60 NM SE QUADRANT OF CENTER WINDS 20 TO
25 KT. SEAS 8 FT.
.12 HOUR FORECAST…DISSIPATED.
FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK…SIZE
AND INTENSITY.
.ATLC LOW PRES NEAR 29N49W 1011 MB. OVER FORECAST WATERS NW
SEMICIRCLE AND 150 NM SE QUADRANT WINDS 20 TO 30 KT WITH HIGHER
GUSTS. SEAS 9 TO 13 FT. ELSEWHERE N OF A LINE FROM 31N46W TO
27N51W TO 27N55W TO 31N57W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN N TO NE SWELL.
.24 HOUR FORECAST LOW PRES NEAR 26N52W 1008 MB. N OF A LINE FROM
31N44W TO 28N46W TO 28N52W TO 26N54W TO 26N56W TO 31N56W NE TO E
WINDS 20 TO 30 KT WITH HIGHER GUSTS. SEAS 9 TO 13 FT. ELSEWHERE
N OF A LINE FROM 31N43W TO 28N46W TO 24N55W TO 29N60W TO 31N58W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO NE SWELL. N OF 30N
BETWEEN 36W AND 43W WINDS 20 KT OR LESS. SEAS 8 FT IN N SWELL.
.48 HOUR FORECAST LOW PRES NEAR 25N54W 1007 MB. N OF 27N BETWEEN
43W AND 60W NE TO E WINDS 20 TO 30 KT. SEAS 9 TO 12 FT.
ELSEWHERE N OF 25N BETWEEN 55W AND 61W WINDS 20 KT OR LESS. SEAS
8 TO 9 FT IN NE SWELL.
.CARIBBEAN FROM 11N TO 17.5N BETWEEN 70W AND 77W…INCLUDING THE
GULF OF VENEZUELA…NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.24 HOUR FORECAST FROM 11N TO 17.5N BETWEEN 70W AND 74W…
INCLUDING THE GULF OF VENE
