FZNT01 KWBC 030952 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1030 UTC SUN SEP 03 2023 CCODE/2:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC SEP 03. 24 HOUR FORECAST VALID 0600 UTC SEP 04. 48 HOUR FORECAST VALID 0600 UTC SEP 05. .WARNINGS. ...HURRICANE FORCE WIND WARNING... .LOW 47N39W 982 MB MOVING E 20 KT. WITHIN 90 NM SW SEMICIRCLE WINDS 50 TO 65 KT. SEAS 21 TO 38 FT. ALSO WITHIN 120 NM OF LOW CENTER...EXCEPT 60 NM NE QUADRANT...WINDS 35 TO 50 KT. SEAS 16 TO 33 FT. ELSEWHERE FROM 41N TO 51N BETWEEN 35W AND 45W WINDS 25 TO 35 KT. SEAS 13 TO 26 FT. .24 HOUR FORECAST LOW E OF AREA NEAR 47N29W 992 MB. FROM 45N TO 49N BETWEEN 35W AND 36W N TO NW WINDS 25 TO 35 KT. SEAS 10 TO 18 FT. ELSEWHERE FROM 40N TO 51N BETWEEN 35W AND 39W N TO NW WINDS TO 25 KT. SEAS 8 TO 15 FT. .48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA. ...TROPICAL STORM WARNING... .TROPICAL STORM GERT NEAR 29.9N 52.9W 998 MB AT 0900 UTC SEP 03 MOVING NNE OR 025 DEG AT 10 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 60 NM NE...105 NM SE...75 NM SW...AND 30 NM NW QUADRANTS WITH SEAS TO 17 FT. ELSEWHERE FROM 31N TO 32N BETWEEN 50W AND 54W WINDS 20 TO 33 KT. SEAS TO 12 FT. .24 HOUR FORECAST TROPICAL STORM GERT NEAR 36.3N 52.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 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 90 NM N SEMICIRCLE...AND 150 NM SE AND 120 NM SW QUADRANTS WITH SEAS TO 16 FT. ELSEWHERE FROM 31N TO 39N BETWEEN 46W AND 53W 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... .LOW 33N61W 993 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 38N BETWEEN 57W AND 65W WINDS 25 TO 35 KT. SEAS 9 TO 18 FT. ELSEWHERE FROM 31N TO 40N BETWEEN 54W AND 68W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT. .24 HOUR FORECAST LOW 38N58W 989 MB. WITHIN 240 NM N AND NW QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 20 FT. ALSO FROM 32N TO 43N BETWEEN 53W AND 63W WINDS 25 TO 35 KT. SEAS 9 TO 17 FT. ELSEWHERE FROM 31N TO 44N BETWEEN 53W AND 65W...AND FROM 39N TO 43N BETWEEN 43W AND 53W...WINDS 20 TO 30 KT. SEAS 8 TO 15 FT. .48 HOUR FORECAST LOW 42N56W 994 MB. WITHIN 300 NM OF LOW CENTER WINDS 25 TO 40 KT. SEAS 10 TO 18 FT. ELSEWHERE FROM 34N TO 48N BETWEEN 45W AND 61W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT. ...STORM WARNING... .LOW 64N37W 973 MB MOVING NE 10 KT. BETWEEN 120 NM AND 300 NM S AND SE QUADRANTS WINDS 35 TO 50 KT. SEAS 18 TO 30 FT. ALSO N OF 57N BETWEEN 35W AND 46W WINDS 25 TO 40 KT. SEAS 12 TO 24 FT...EXCEPT N OF 63N E OF GREENLAND SEAS 8 TO 14 FT. ELSEWHERE N OF 54N BETWEEN 35W AND 49W WINDS 20 TO 30 KT. SEAS 8 TO 16 FT. .24 HOUR FORECAST LOW 65N35W 991 MB. N OF 57N E OF 45W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT. .48 HOUR FORECAST LOW NE OF AREA WITH A NEW LOW TO FORM NEAR 62N39W 1001 MB. WITHIN 300 NM SE AND 240 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT. ...GALE WARNING... .12 HOUR FORECAST FROM 58N TO 65N W OF 56W SE WINDS 25 TO 35 KT. SEAS TO 10 FT. .24 HOUR FORECAST NEW LOW TO FORM NEAR 64N62W 977 MB. WITHIN 240 NM NE...AND 360 NM E AND SE QUADRANTS WINDS 30 TO 45 KT. SEAS 9 TO 18 FT. ELSEWHERE N OF 52N W OF 49W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. .48 HOUR FORECAST LOW MOVED N OF AREA WITH A NEW LOW TO FORM NEAR 64N61W 991 MB. BETWEEN 180 NM AND 240 NM NE...BETWEEN 120 NM AND 600 NM SE...AND BETWEEN 120 NM AND 420 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT. .SYNOPSIS AND FORECAST. .LOW 36N51W 1010 MB MOVING NW 10 KT. WITHIN 240 NM E AND NE...AND 180 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 15 FT. .24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 38N58W DESCRIBED IN WARNINGS SECTION ABOVE. .LOW 55N60W 1000 MB MOVING NE 10 KT. BETWEEN 180 NM AND 360 NM SE...AND BETWEEN 240 NM AND 840 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 64N62W IN WARNINGS SECTION ABOVE. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 56N TO 61N W OF 58W. .24 HOUR FORECAST DENSE FOG FROM 41N TO 45N BETWEEN 65W AND 70W...AND FROM 46N TO 59N BETWEEN 40W AND 65W. .48 HOUR FORECAST DENSE FOG FROM 40N TO 51N BETWEEN 58W AND 72W...AND FROM 43N TO 61N BETWEEN 39W AND 57W .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 0600 UTC SUN SEP 3. 24 HOUR FORECAST VALID 0600 UTC MON SEP 4. 48 HOUR FORECAST VALID 0600 UTC TUE SEP 5. .WARNINGS. ...ATLC TROPICAL STORM WARNING... .TROPICAL STORM GERT NEAR 29.9N 52.9W 998 MB AT 0900 UTC SEP 03 MOVING NNE OR 025 DEG AT 10 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 60 NM NE QUADRANT...105 NM SE QUADRANT...75 NM SW QUADRANT...AND 30 NM NW QUADRANT WITH SEAS TO 17 FT. ELSEWHERE WITHIN 30N51W TO 31N52W TO 30N54W TO 29N54W TO 28N54W TO 28N52W TO 30N51W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 31N49W TO 30N51W TO 31N55W TO 28N56W TO 27N54W TO 27N50W TO 31N49W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM GERT NEAR 36.3N 52.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS N OF AREA. CONDITIONS MERGED 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 33N61W 993 MB. WITHIN 31N57W TO 30N62W TO 27N62W TO 27N59W TO 31N57W SW TO W WINDS 20 TO 30 KT. SEAS 12 TO 16 FT. ELSEWHERE WITHIN 31N56W TO 31N79W TO 26N77W TO 23N72W TO 23N62W TO 31N56W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. .24 HOUR FORECAST WITHIN 31N36W TO 30N75W TO 25N75W TO 22N65W TO 26N59W TO 28N37W TO 31N36W...INCLUDING ATLANTIC EXPOSURES... WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN MIXED SWELL...HIGHEST NEAR 31N60W. .48 HOUR FORECAST WITHIN 31N43W TO 31N64W TO 25N59W TO 24N53W TO 28N44W TO 31N43W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .ATLC TROPICAL STORM KATIA NEAR 26.0N 31.9W 1005 MB AT 0900 UTC SEP 03 MOVING NW OR 310 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS E OF AREA. WITHIN 27N35W TO 26.5N35.5W TO 25N35.5W TO 24N35W TO 27N35W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL. .24 HOUR FORECAST POST-TROPICAL REMNANT LOW KATIA NEAR 27.1N 33.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 30N35W TO 30N35.5W TO 29.5N35.5W TO 28.5N35.5W TO 27.5N35W TO 30N35W NE WINDS 20 TO 25 KT. SEAS 9 TO 10 FT. ELSEWHERE WITHIN 31N35W TO 31N37W TO 29N39W TO 27N39W TO 26N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .48 HOUR FORECAST POST-TROPICAL REMNANT LOW KATIA NEAR 28.1N 34.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 29.5N35W TO 29.5N35.5W TO 29N35.5W TO 28N35.5W TO 27.5N35.5W TO 27.5N35W TO 29.5N35W N WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN 31N35W TO 31N39W TO 29N39W TO 28N37W TO 28N36W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER AREINHART. NATIONAL HURRICANE CENTER.