FZNT01 KWBC 030413 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC SUN SEP 03 2023 CCODE/2:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0000 UTC SEP 03. 24 HOUR FORECAST VALID 0000 UTC SEP 04. 48 HOUR FORECAST VALID 0000 UTC SEP 05. .WARNINGS. ...HURRICANE FORCE WIND WARNING... .LOW 45N41W 981 MB MOVING NE 20 KT. WITHIN 90 NM SW SEMICIRCLE WINDS 50 TO 65 KT. SEAS 22 TO 39 FT. ALSO WITHIN 120 NM OF LOW CENTER...EXCEPT NE QUADRANT...WINDS 35 TO 50 KT. SEAS 17 TO 34 FT. ELSEWHERE FROM 41N TO 50N BETWEEN 35W AND 46W WINDS 25 TO 35 KT. SEAS 14 TO 28 FT. .24 HOUR FORECAST LOW E OF AREA NEAR 48N31W 990 MB. FROM 44N TO 51N BETWEEN 35W AND 38W N TO NW WINDS 25 TO 40 KT. SEAS 12 TO 20 FT. ELSEWHERE FROM 42N TO 52N BETWEEN 35W AND 40W N TO NW WINDS 20 TO 30 KT. SEAS 9 TO 16 FT. .48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA. ...TROPICAL STORM WARNING... .TROPICAL STORM GERT NEAR 29.1N 53.4W 998 MB AT 0300 UTC SEP 03 MOVING NNE OR 030 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM NE QUADRANT...50 NM SE QUADRANT...AND 40 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 45 NM NE...105 NM SE...AND 60 NM SW QUADRANTS WITH SEAS TO 17 FT. .24 HOUR FORECAST TROPICAL STORM GERT NEAR 33.6N 51.9W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM NE QUADRANT...40 NM SE QUADRANT...AND 20 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM NE QUADRANT AND 90 NM SE QUADRANT WITH SEAS TO 15 FT. ELSEWHERE FROM 31N TO 37N BETWEEN 47W AND 54W WINDS 20 TO 33 KT. SEAS TO 12 FT. .36 HOUR FORECAST TROPICAL STORM GERT DISSIPATED AND CONDITIONS MERGED WITH SYSTEM DESCRIBED IN THE FOLLOWING STORM WARNING. ...STORM WARNING... .POST-TROPICAL CYCLONE IDALIA NEAR 32.0N 62.5W 995 MB MOVING NE 10 KT. WITHIN 120 NM N AND NW QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 23 FT. ALSO FROM 31N TO 37N BETWEEN 58W AND 66W WINDS 25 TO 35 KT. SEAS 10 TO 18 FT. ELSEWHERE FROM 31N TO 39N BETWEEN 56W AND 69W WINDS TO 25 KT. SEAS 8 TO 14 FT. .24 HOUR FORECAST LOW 36N59W 993 MB. WITHIN 180 NM N AND NW QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 20 FT. ALSO N OF 31N...WITHIN 300 NM OF LOW CENTER...EXCEPT 360 NM N AND NE QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 18 FT. ELSEWHERE... EXCEPT WHERE DESCRIBED WITH TROPICAL STORM GERT ABOVE...FROM 31N TO 42N BETWEEN 52W AND 65W...AND FROM 37N TO 42N BETWEEN 43W AND 52W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. .48 HOUR FORECAST LOW 40N56W 995 MB. WITHIN 300 NM E AND 240 NM W SEMICIRCLES WINDS 25 TO 40 KT. SEAS 10 TO 18 FT. ELSEWHERE FROM 34N TO 46N BETWEEN 43W AND 62W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT. ...STORM WARNING... .LOW 64N38W 970 MB NEARLY STATIONARY WILL MOVE NE AFTER 24 HOURS. BETWEEN 180 NM AND 360 NM S AND SE QUADRANTS WINDS 35 TO 50 KT. SEAS 18 TO 30 FT. ALSO N OF 56N BETWEEN 35W AND 48W WINDS 25 TO 35 KT. SEAS 12 TO 24 FT. ELSEWHERE N OF 54N BETWEEN 35W AND 50W WINDS TO 25 KT. SEAS 9 TO 18 FT. .24 HOUR FORECAST LOW 65N38W 980 MB. WITHIN 60 NM SW QUADRANT...AND WITHIN 120 NM S OF A LINE FROM 60N44W TO 61N35W WINDS 25 TO 35 KT. SEAS 9 TO 16 FT. ELSEWHERE FROM 56N TO 65N BETWEEN 35W AND 47W WINDS TO 25 KT. SEAS 8 TO 13 FT. .48 HOUR FORECAST LOW NE OF AREA WITH A NEW LOW TO FORM NEAR 62N40W 998 MB. WITHIN 150 NM E AND NE...AND 300 NM S AND SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT. ...GALE WARNING... .12 HOUR FORECAST N OF 58N W OF 58W SE WINDS TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST NEW LOW TO FORM NEAR 62N63W 978 MB. WITHIN 300 NM E SEMICIRCLE WINDS 25 TO 40 KT. SEAS 9 TO 16 FT. ELSEWHERE N OF 48N W OF 50W WINDS TO 25 KT. SEAS 8 TO 13 FT. .48 HOUR FORECAST LOW 65N61W 985 MB. BETWEEN 120 NM AND 480 NM S AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE BETWEEN 120 NM AND 240 NM NE...BETWEEN 120 NM AND 300 NM SE...AND BETWEEN 120 NM AND 600 NM S AND SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT. .SYNOPSIS AND FORECAST. .LOW 55N60W 1002 MB MOVING NE 10 KT. BETWEEN 180 NM AND 420 NM SE...AND BETWEEN 240 NM AND 900 NM S AND SW QUADRANTS...INCLUDING THE GULF OF SAINT LAWRENCE...WINDS TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DESCRIBED WITH NEW LOW 62N63W IN WARNINGS SECTION ABOVE. .DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 45N W OF 67W...AND FROM 46N TO 58N BETWEEN 42W AND 63W...INCLUDING THE GULF OF SAINT LAWRENCE. .48 HOUR FORECAST DENSE FOG FROM 41N TO 45N BETWEEN 63W AND 70W...AND FROM 45N TO 58N BETWEEN 37W AND 58W. .FORECASTER MILLS. 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 0000 UTC SUN SEP 3. 24 HOUR FORECAST VALID 0000 UTC MON SEP 4. 48 HOUR FORECAST VALID 0000 UTC TUE SEP 5. .WARNINGS. ...ATLC TROPICAL STORM WARNING... .TROPICAL STORM GERT NEAR 29.1N 53.4W 998 MB AT 0300 UTC SEP 03 MOVING NNE OR 030 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM NE QUADRANT...50 NM SE QUADRANT...40 NM SW QUADRANT...AND 0 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 45 NM NE QUADRANT...105 NM SE QUADRANT...60 NM SW QUADRANT...AND 0 NM NW QUADRANT WITH SEAS TO 15 FT. ELSEWHERE WITHIN 30N52W TO 30N54W TO 29N55W TO 28N54W TO 27N52W TO 28N52W TO 30N52W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 31N50W TO 30N52W TO 31N55W TO 27N56W TO 26N54W TO 26N51W TO 31N50W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM GERT NEAR 33.6N 51.9W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS N OF AREA. CONDITIONS MERGE WITH AREA DESCRIBED BELOW. .36 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. .SYNOPSIS AND FORECAST. .ATLC LOW PRES N OF AREA NEAR 32N37W 995 MB. WITHIN 31N58W TO 31N69W TO 27N62W TO 27N61W TO 31N58W N TO NW WINDS 20 TO 30 KT. SEAS 12 TO 19 FT. ELSEWHERE WITHIN 31N56W TO 30N66W TO 31N81W TO 23N73W TO 23N65W TO 27N56W TO 31N56W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN N SWELL. .24 HOUR FORECAST WITHIN 31N54W TO 31N62W TO 29N58W TO 29N56W TO 31N54W SW TO W WINDS 20 TO 25 KT. SEAS 12 TO 14 FT. ELSEWHERE WITHIN 31N42W TO 31N62W TO 30N78W TO 25N76W TO 21N64W TO 31N42W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN N SWELL. .48 HOUR FORECAST WITHIN 31N45W TO 31N65W TO 26N61W TO 26N55W TO 27N48W TO 31N45W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL. .ATLC 24 HOUR FORECAST TROPICAL DEPRESSION KATIA NEAR 28.3N 33.1W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 31N35W TO 31N39W TO 27N40W TO 26N39W TO 25N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .48 HOUR FORECAST POST-TROPICAL REMNANT LOW KATIA NEAR 29.4N 34.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.WITHIN 31N35W TO 31N35.5W TO 30.5N36W TO 29.5N36W TO 28.5N35W TO 31N35W N TO NE WINDS 20 TO 30 KT. SEAS 10 TO 11 FT. ELSEWHERE WITHIN 31N35W TO 31N45W TO 28N45W TO 24N41W TO 27N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER AREINHART. NATIONAL HURRICANE CENTER.