FZNT01 KWBC 181558
HSFAT1 1630
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC WED SEP 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 18.
24 HOUR FORECAST VALID 1200 UTC SEP 19.
48 HOUR FORECAST VALID 1200 UTC SEP 20.
.WARNINGS.
…STORM WARNING…
.LOW 48N39W 1000 MB MOVING N 10 KT. FROM 40N TO 52N E OF 49W
WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW 53N39W 1001 MB. FROM 49N TO 58N E OF 46W
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 54N41W 1000 MB. FROM 56N TO 62N BETWEEN
38W AND 48W WINDS 35 TO 50 KT. SEAS 12 TO 18 FT. ELSEWHERE
WITHIN 540 NM NW SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
ALSO WITHIN 240 NM SE SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 12
FT.
.SYNOPSIS AND FORECAST.
.LOW 37N75W 1012 MB MOVING NE 10 KT. FROM 37N TO 39N BETWEEN 68W
AND 74W WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 39N71W 1007 MB. WITHIN 180 NM NW
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 41N67W 1006 MB. FROM 37N TO 44N BETWEEN
60W AND 75W FROM 20 TO 30 KT. SEAS TO 10 FT.
.LOW 27N52W 1008 MB MOVING SW 05 KT. S OF 35N BETWEEN 38W AND
56W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 25N54W 1006 MB. S OF 34N BETWEEN 45W AND
61W WINDS TO 25 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 25N54W 1007 MB. S OF 33N BETWEEN 43W AND
59W WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST NEW LOW 46N43W 1007 MB. WITHIN 180 NM S
SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 60N TO 65N W
OF 63W.
.24 HOUR FORECAST CONDITIONS IMPROVED.
.FORECASTER POCHE. 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 18.
24 HOUR FORECAST VALID 1200 UTC THU
