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Atlantic Text Briefing Package
[Printable Version]FZNT21 KWBC 231446 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 1046 AM EDT Thu Jul 23 2026 New England continental shelf and slope waters from 60 nm offshore to the Hague Line, except to 1000 fm south of New England. 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. Locally higher winds and seas can be expected in and near tstms. ANZ898-240230- 1046 AM EDT Thu Jul 23 2026 .SYNOPSIS FOR NEW ENGLAND WATERS...A cold front will move slowly E and SE across the waters today. The front will stall just E and SE of the waters tonight through Fri night as a series of weak low pressure centers track NE along the boundary. Low pressure will slowly drift NE along the boundary Sat, move near the far eastern portions Sat night, then move well E and NE of the area through Sun. Weak remnant low pressure will meander across the waters waters Sun night through Mon night. $$ ANZ800-240230- Gulf of Maine to the Hague Line- 1046 AM EDT Thu Jul 23 2026 .TODAY...W to NW winds 5 to 10 kt. Seas 5 to 8 ft. Slight chance of rain. .TONIGHT...SW winds 5 to 10 kt, becoming W. Seas 4 to 7 ft. .FRI...Variable winds less than 5 kt. Seas 3 to 5 ft. .FRI NIGHT...S winds less than 5 kt, becoming variable. Seas 3 to 4 ft. .SAT...E to NE winds less than 5 kt, becoming variable. Seas 3 to 4 ft. .SAT NIGHT...E to NE winds 5 to 10 kt. Seas 3 to 4 ft. .SUN...E to NE winds 5 to 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E to NE winds less than 10 kt. Seas 3 to 4 ft. .MON...E to NE winds 5 to 10 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. $$ ANZ805-240230- Georges Bank between Cape Cod and 68W north of 1000 FM- 1046 AM EDT Thu Jul 23 2026 .TODAY...N to NW winds 5 to 15 kt, becoming N 5 to 10 kt. Seas 6 to 10 ft. Chance of rain. .TONIGHT...E to NE winds less than 10 kt, becoming NE. Seas 4 to 7 ft. Chance of rain. .FRI...NE winds 5 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E to NE winds 5 to 15 kt. Seas 3 to 4 ft. Chance of rain. .SAT...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 5 to 15 kt. Seas 3 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 5 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 3 to 6 ft. .MON NIGHT...NE winds 5 to 10 kt, becoming E. Seas 3 to 5 ft. $$ ANZ900-240230- Georges Bank between 68W and the Hague Line- 1046 AM EDT Thu Jul 23 2026 .TODAY...W to SW winds 15 to 25 kt. Seas 6 to 11 ft. Showers and isolated tstms, then chance of rain. Vsby 1 NM or less. .TONIGHT...N to NE winds less than 10 kt, becoming NE. Seas 5 to 8 ft. Rain likely with vsby 1 nm or less. .FRI...NE winds 5 to 15 kt. Seas 3 to 5 ft. Chance of rain with vsby 1 nm or less. .FRI NIGHT...NE winds 5 to 15 kt. Seas 3 to 5 ft. Chance of rain and areas of fog with vsby 1 nm or less. .SAT...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 5 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 3 to 6 ft. .MON NIGHT...NE winds 5 to 10 kt, becoming E. Seas 3 to 5 ft. $$ ANZ810-240230- South of New England between the Great South Channel and Montauk Point to 1000 FM- 1046 AM EDT Thu Jul 23 2026 .TODAY...N winds 10 to 15 kt, becoming N to NE 5 to 10 kt. Seas 6 to 10 ft. Rain likely. .TONIGHT...NE winds 5 to 10 kt, becoming 5 to 15 kt. Seas 4 to 6 ft. Chance of rain. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E to NE winds 10 to 15 kt. Seas 3 to 5 ft. Chance of rain. .SAT...NE winds 15 to 20 kt. Seas 4 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds less than 10 kt, becoming variable. Seas 3 to 4 ft. $$ ANZ815-240230- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 1046 AM EDT Thu Jul 23 2026 .TODAY...N winds 10 to 15 kt, becoming N to NE 5 to 10 kt. Seas 4 to 7 ft. Chance of rain. .TONIGHT...E to NE winds 5 to 10 kt. Seas 3 to 5 ft. .FRI...E to NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E to NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...NE winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...NE winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 3 to 4 ft. .MON NIGHT...N to NE winds 5 to 10 kt, becoming E to SE. Seas 3 to 4 ft. $$ .Forecaster Collins. Ocean Prediction Center.Last Update: Thu, 23-Jul-2026 14:48:14 UTC
Updates: Four times per day
FZNT22 KWBC 231449 OFFNT2 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 1049 AM EDT Thu Jul 23 2026 West central North Atlantic continental shelf and slope waters beyond 60 nm to 250 nm offshore, including south of Georges Bank from 1000 fm to 250 nm offshore. 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. Locally higher winds and seas can be expected in and near tstms. ANZ899-240230- 1049 AM EDT Thu Jul 23 2026 .SYNOPSIS FOR MID ATLC WATERS...A high pressure ridge across the far southern waters will weaken through tonight while drifting S. A cold front will move slowly SE over the waters today, then stall across the central and N waters tonight through Sat as a series of weak low pressure centers track NE along the front. Low pressure forming along the front Fri night will track NE across the area, clearing NE of the waters Sun. The low will push a cold front across the central and southern waters Sat through Sun, meanwhile lifting a warm front N across the northern waters Sat through Sun as well. Low pressure will approach the North Carolina coast Sun night, then move E and NE across the waters through Mon night. Meanwhile, weak low pressure will meander across the northern waters Sun through Mon night. $$ ANZ820-240230- Hudson Canyon to Baltimore Canyon to 1000 FM- 1049 AM EDT Thu Jul 23 2026 .TODAY...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. Chance of rain. .TONIGHT...E to NE winds 5 to 15 kt. Seas 3 to 5 ft. .FRI...E to NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E to NE winds 10 to 15 kt. Seas 3 to 4 ft. Chance of rain. .SAT...NE winds 5 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 5 to 15 kt. Seas 4 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...NE winds 5 to 15 kt, becoming N 5 to 10 kt. Seas 3 to 4 ft. .MON...N to NE winds 5 to 10 kt. Seas 3 to 4 ft. .MON NIGHT...N to NE winds 5 to 10 kt, becoming W. Seas 3 to 4 ft. $$ ANZ915-240230- Between 1000FM and 38.5 N west of 69 W- 1049 AM EDT Thu Jul 23 2026 .TODAY...SW winds 15 to 25 kt, becoming W 10 to 20 kt. Seas 6 to 10 ft. Showers and isolated tstms, then chance of rain. .TONIGHT...NE winds 5 to 15 kt. Seas 4 to 7 ft. Chance of rain. .FRI...NE winds 5 to 15 kt. Seas 3 to 5 ft. Chance of rain. .FRI NIGHT...E to NE winds 10 to 20 kt, becoming NE 5 to 15 kt. Seas 4 to 5 ft. Chance of rain. .SAT...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...NE winds 5 to 15 kt. Seas 4 to 5 ft. .SUN...NE winds 5 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...N to NE winds 5 to 15 kt. Seas 3 to 5 ft. .MON...N to NE winds 5 to 15 kt, diminishing to less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...N to NW winds less than 10 kt, becoming W. Seas 3 to 4 ft. $$ ANZ920-240230- Baltimore Canyon to 69W east of 1000 FM and south of 38.5N to 250 NM offshore- 1049 AM EDT Thu Jul 23 2026 .TODAY...SW winds 20 to 30 kt, becoming W to SW 10 to 20 kt. Seas 5 to 9 ft. Tstms and showers. .TONIGHT...W to SW winds 5 to 15 kt. Seas 3 to 6 ft. Chance of rain, then isolated tstms. .FRI...E to NE winds 5 to 15 kt. Seas 4 to 5 ft. Slight chance of rain, then isolated tstms. .FRI NIGHT...NE winds 5 to 15 kt, becoming SW. Seas 4 to 5 ft. Chance of rain, then isolated tstms. .SAT...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 4 to 5 ft. .SAT NIGHT...W to SW winds 10 to 20 kt, becoming N to NE 5 to 15 kt. Seas 4 to 5 ft. .SUN...N to NE winds 5 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 5 ft. .MON...N to NW winds 5 to 10 kt. Seas 3 to 4 ft. .MON NIGHT...NW winds less than 10 kt, becoming W. Seas 3 to 5 ft. $$ ANZ905-240230- East of 69W to the Hague Line between 1000 FM and 39N- 1049 AM EDT Thu Jul 23 2026 .TODAY...SW winds 20 to 30 kt. Seas 7 to 12 ft. Showers and tstms. .TONIGHT...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 5 to 9 ft. Isolated tstms, then rain. .FRI...SW winds 10 to 20 kt, becoming NE 5 to 15 kt. Seas 4 to 7 ft. Rain likely, then isolated tstms. .FRI NIGHT...E to NE winds 5 to 15 kt. Seas 4 to 5 ft. Chance of rain, then isolated tstms. .SAT...E to NE winds 10 to 20 kt, becoming E 5 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...E winds 5 to 15 kt, becoming E to NE. Seas 4 to 5 ft. .SUN...E to NE winds 5 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...E to NE winds 5 to 15 kt. Seas 4 to 6 ft. .MON...E to NE winds 5 to 15 kt, becoming variable. Seas 3 to 6 ft. .MON NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft. $$ ANZ910-240230- East of 69W and south of 39N to 250 NM offshore- 1049 AM EDT Thu Jul 23 2026 .TODAY...SW winds 20 to 30 kt. Seas 7 to 10 ft. Showers and tstms. .TONIGHT...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 5 to 8 ft. Isolated tstms. .FRI...W to SW winds 10 to 20 kt, becoming SW 5 to 15 kt. Seas 4 to 6 ft. Isolated tstms. .FRI NIGHT...SW winds less than 10 kt, becoming S to SW. Seas 4 to 5 ft. Scattered tstms. .SAT...SW winds 10 to 20 kt. Seas 4 to 5 ft. .SAT NIGHT...SW winds 10 to 20 kt, becoming W to SW 5 to 15 kt. Seas 4 to 5 ft. .SUN...Variable winds less than 10 kt. Seas 4 to 5 ft. .SUN NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft. .MON...N to NW winds less than 10 kt, becoming W to NW. Seas 3 to 5 ft. .MON NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft. $$ ANZ825-240230- Baltimore Canyon to Cape Charles Light to 100 NM offshore- 1049 AM EDT Thu Jul 23 2026 .TODAY...N to NE winds 5 to 15 kt. Seas 4 to 6 ft. Rain likely. .TONIGHT...NE winds 5 to 15 kt. Seas 3 to 5 ft. Chance of rain. .FRI...NE winds 10 to 15 kt. Seas 4 to 5 ft. Slight chance of rain. .FRI NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 3 to 5 ft. Chance of rain. .SAT...N to NE winds 5 to 10 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds 5 to 10 kt, becoming N. Seas 3 to 4 ft. .SUN...NE winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 4 to 5 ft. .SUN NIGHT...N to NE winds 5 to 10 kt. Seas 3 to 4 ft. .MON...NE winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...Variable winds less than 5 kt, becoming SE. Seas 3 to 4 ft. $$ ANZ828-240230- Cape Charles Light to Currituck Beach Light to 100 NM offshore- 1049 AM EDT Thu Jul 23 2026 .TODAY...W winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to 6 ft. Isolated tstms. .TONIGHT...W to SW winds less than 10 kt, increasing to 5 to 15 kt. Seas 4 to 5 ft. Scattered tstms. .FRI...NE winds 5 to 15 kt, diminishing to less than 10 kt. Seas 4 to 5 ft. Chance of rain, then isolated tstms. .FRI NIGHT...NE winds less than 10 kt, becoming W. Seas 3 to 5 ft. Chance of rain, then scattered tstms. .SAT...N to NE winds less than 10 kt. Seas 4 to 5 ft. .SAT NIGHT...N winds 5 to 10 kt, becoming 5 to 15 kt. Seas 4 to 5 ft. .SUN...N winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...N to NW winds 5 to 10 kt. Seas 3 to 5 ft. .MON...NE winds 5 to 10 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds less than 5 kt, becoming NW. Seas 3 to 4 ft. $$ ANZ925-240230- Baltimore Canyon to Hatteras Canyon between 100 NM and 250 NM offshore- 1049 AM EDT Thu Jul 23 2026 .TODAY...S to SW winds 10 to 20 kt. Seas 4 to 8 ft. Showers and isolated tstms. .TONIGHT...S to SW winds 5 to 15 kt. Seas 4 to 6 ft. Isolated tstms. .FRI...NE winds 5 to 15 kt, becoming variable. Seas 3 to 5 ft. Chance of rain, then isolated tstms. .FRI NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Scattered tstms. .SAT...W to SW winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...W to SW winds 5 to 15 kt. Seas 4 to 5 ft. .SUN...W to SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...W to NW winds 5 to 15 kt, becoming N to NW. Seas 3 to 5 ft. .MON...Variable winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...N to NE winds less than 5 kt, becoming W to NW. Seas 3 to 5 ft. $$ ANZ830-240230- Currituck Beach Light to Cape Hatteras to 100 NM offshore- 1049 AM EDT Thu Jul 23 2026 .TODAY...SW winds 10 to 20 kt. Seas 4 to 6 ft. Isolated tstms. .TONIGHT...W to SW winds 5 to 15 kt. Seas 4 to 5 ft. Scattered tstms. .FRI...W to SW winds 5 to 15 kt, becoming SW 5 to 10 kt. Seas 3 to 5 ft. Scattered tstms. .FRI NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Scattered tstms. .SAT...W to SW winds 5 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...W winds 5 to 15 kt, becoming N to NW. Seas 4 to 5 ft. .SUN...N winds 5 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .MON...E to NE winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...Variable winds less than 5 kt, becoming W. Seas 3 to 5 ft. $$ ANZ833-240230- Cape Hatteras to Cape Fear to 100 NM Offshore.- 1049 AM EDT Thu Jul 23 2026 .TODAY...SW winds 10 to 20 kt. Seas 3 to 5 ft. Isolated tstms. .TONIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft. Scattered tstms. .FRI...SW winds 5 to 10 kt, becoming S. Seas 3 to 4 ft. Isolated tstms. .FRI NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Scattered tstms. .SAT...W to SW winds 5 to 15 kt, becoming W 5 to 10 kt. Seas 3 to 4 ft. .SAT NIGHT...W winds 5 to 15 kt. Seas 3 to 5 ft. .SUN...N winds 5 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...N winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft. .MON...E to NE winds less than 10 kt, becoming variable. Seas 3 to 4 ft. .MON NIGHT...N to NW winds less than 10 kt, becoming W. Seas 3 to 4 ft. $$ ANZ930-240230- Hatteras Canyon to Cape Fear between 100 NM and 250 NM offshore- 1049 AM EDT Thu Jul 23 2026 .TODAY...S to SW winds 10 to 20 kt, becoming S 5 to 15 kt. Seas 3 to 6 ft. Isolated tstms. .TONIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. Isolated tstms. .FRI...S to SW winds 5 to 10 kt. Seas 3 to 4 ft. Isolated tstms. .FRI NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Scattered tstms. .SAT...SW winds 5 to 10 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds less than 10 kt, increasing to 5 to 15 kt. Seas 3 to 4 ft. .SUN...W to SW winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds 5 to 15 kt, becoming variable. Seas 3 to 5 ft. .MON...W to SW winds 10 to 20 kt, becoming variable 5 to 15 kt. Seas 3 to 6 ft. .MON NIGHT...Variable winds less than 10 kt, becoming W. Seas 4 to 7 ft. $$ ANZ835-240230- Cape Fear to 31N to 1000 FM- 1049 AM EDT Thu Jul 23 2026 .TODAY...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Isolated tstms. .TONIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft. .FRI...Variable winds less than 10 kt. Seas 3 to 4 ft. Isolated tstms. .FRI NIGHT...S to SE winds 5 to 10 kt, becoming S to SW. Seas 3 to 4 ft. Isolated tstms. .SAT...W to SW winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds less than 10 kt, becoming W to SW. Seas 3 to 4 ft. .SUN...W winds 5 to 15 kt, becoming N to NW. Seas 3 to 4 ft. .SUN NIGHT...W to NW winds less than 10 kt. Seas 3 to 4 ft. .MON...N to NW winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft. .MON NIGHT...Variable winds less than 10 kt, becoming S to SW. Seas 3 to 4 ft. $$ ANZ935-240230- Cape Fear to 31N east of 1000 FM to 250 NM offshore- 1049 AM EDT Thu Jul 23 2026 .TODAY...S to SE winds 5 to 10 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 5 to 10 kt. Seas 3 to 5 ft. .FRI...S to SE winds less than 10 kt. Seas 3 to 4 ft. Isolated tstms. .FRI NIGHT...S to SE winds 5 to 10 kt. Seas 3 to 4 ft. Isolated tstms. .SAT...SW winds 5 to 10 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 3 to 4 ft. .SUN...W winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds 5 to 15 kt, becoming W to SW 10 to 20 kt. Seas 3 to 5 ft. .MON...W to SW winds 10 to 20 kt, becoming W to NW 5 to 15 kt. Seas 3 to 6 ft. .MON NIGHT...W to NW winds less than 10 kt, becoming W. Seas 4 to 7 ft. $$ .Forecaster Collins. Ocean Prediction Center.Last Update: Thu, 23-Jul-2026 14:50:59 UTC
Updates: Four times per day
FZNT01 KWBC 231544 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1630 UTC THU JUL 23 2026 CCODE/1:31:04:01:00/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). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 1200 UTC JUL 23. 24 HOUR FORECAST VALID 1200 UTC JUL 24. 48 HOUR FORECAST VALID 1200 UTC JUL 25. .WARNINGS. ...GALE WARNING... .WITHIN 120 NM EITHER SIDE OF A LINE FROM 37N72W TO 44N61W...AND WITHIN 180 NM EITHER SIDE OF A LINE FROM 52N52W TO 58N45W TO 61N35W AREA OF SW TO W WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M...HIGHEST NEAR 42N65W AND 61N36W. ELSEWHERE WITHIN 240 NM EITHER SIDE OF A LINE FROM 37N72W TO 58N45W TO 61N35W AREA OF SW TO W WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 60N60W IN SYNOPSIS AND FORECAST SECTION BELOW. ...GALE WARNING... .12 HOUR FORECAST NEW LOW NEAR 62N41W 997 MB. WITHIN 480 NM SE AND S QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. .24 HOUR FORECAST LOW E OF AREA 63N33W 1002 MB. FROM 51N TO 63N E OF 40W WINDS TO 25 KT. SEAS TO 3.5 M. .48 HOUR FORECAST LOW WELL E OF AREA AND NEW LOW TO FORM JUST E OF AREA NEAR 62N33W 1004 MB. WITHIN 420 NM SW QUADRANT WINDS TO 25 KT. SEAS TO 3 M. .SYNOPSIS AND FORECAST. .COMPLEX LOW WITH MEAN CENTER NEAR 58N63W 996 MB DRIFTING NE. BETWEEN 90 NM AND 420 NM NE AND NW QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 60N60W 993 MB. WITHIN 360 NM N AND 240 NM NW QUADRANTS...AND BETWEEN 120 NM AND 840 NM SE QUADRANT WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M...HIGHEST SE OF CENTER. .48 HOUR FORECAST COMBINED LOW NEAR 61N55W 1005 MB. N OF 56N BETWEEN 55W AND 61W WINDS TO 25 KT. SEAS TO 2.5 M. .LOW 32N36W 1023 MB MOVING NW 10 KT. WITHIN 240 NM NW SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW 33N40W 1023 MB. WITHIN 360 NM N QUADRANT WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 35N43W 1023 MB. CONDITIONS DIMINISHED. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM EITHER SIDE OF A LINE FROM 38N72W TO 52N56W...AND FROM 42N TO 66N BETWEEN 42W AND 64W. .24 HOUR FORECAST DENSE FOG WITHIN 300 NM EITHER SIDE OF A LINE FROM 42N56W TO 59N35W...AND N OF 56N W OF 45W. .48 HOUR FORECAST DENSE FOG WITHIN 240 NM EITHER SIDE OF A LINE FROM 43N56W TO 50N46W TO 53N35W...AND WITHIN 120 NM EITHER SIDE OF A LINE FROM 60N46W TO 63N55W TO 63N64W. .FORECASTER ANDERSON. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 1200 UTC THU JUL 23. 24 HOUR FORECAST VALID 1200 UTC FRI JUL 24. 48 HOUR FORECAST VALID 1200 UTC SAT JUL 25. .WARNINGS. ...GULF OF AMERICA TROPICAL STORM WARNING... .TROPICAL STORM BERTHA NEAR 29.6N 93.2W 1004 MB AT 1500 UTC JUL 23 MOVING W OR 275 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM S SEMICIRCLE...20 NM NE QUADRANT AND 0 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 0 NM OF CENTER EXCEPT 150 NM SE QUADRANT WITH SEAS TO 4.5 M. ELSEWHERE WITHIN 29N88W TO 29N91W TO 30N94W TO 27N94W TO 27N93W TO 28N88W TO 29N88W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. .12 HOUR FORECAST TROPICAL STORM BERTHA INLAND NEAR 29.7N 95.2W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. ELSEWHERE OVER FORECAST WATERS WITHIN 29N93W TO 30N94W TO 29N97W TO 28N96W TO 28N94W TO 28N93W TO 29N93W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. .24 HOUR FORECAST POST-TROPICAL REMNANT LOW BERTHA INLAND NEAR 29.3N 98.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. CONDITIONS IMPROVE OVER FORECAST WATERS. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .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 48 HOUR FORECAST WITHIN 26N35W TO 25N37W TO 23N39W TO 21N39W TO 18N35W TO 26N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL. .CARIBBEAN WITHIN 13N70W TO 14N74W TO 13N76W TO 11N75W TO 12N72W TO 12N70W TO 13N70W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST WITHIN 15N70W TO 17N73W TO 16N76W TO 12N78W TO 11N76W TO 12N70W TO 15N70W E WINDS 20 TO 25 KT. SEAS 2.5 M. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER. $$Last Update: Thu, 23-Jul-2026 15:46:26 UTC
Updates: Four times per day
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