Hurricane Warnings in Effect
Atlantic:  High Seas

OPC Atlantic NAVTEX Offshore Waters Forecast Areas

X

Eastport Maine to Cape Cod

Updated: 448 PM EDT Sat Aug 23 2025

.TONIGHT...S to SW winds 15 to 25 kt. Seas 5 to 8 ft. 
.SUN...S winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. Rain likely
with vsby 1 nm or less. 
.MON...S to SW winds 20 to 30 kt. Seas 5 to 8 ft. Chance of rain
with vsby 1 nm or less. 
.MON NIGHT...W winds 5 to 15 kt. Seas 4 to 7 ft. 
.TUE...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 5 ft. 
.WED...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. 
.WED NIGHT...W winds 5 to 15 kt. Seas 3 to 4 ft. 
.THU...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. 
.THU NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. 
X

Cape Cod to Nantucket Shoals and Georges Bank

Updated: 448 PM EDT Sat Aug 23 2025

.TONIGHT...S to SE winds 5 to 15 kt. Seas 6 to 11 ft. 
.SUN...S to SE winds 10 to 20 kt. Seas 5 to 8 ft. 
.SUN NIGHT...S to SE winds 15 to 25 kt. Seas 6 to 10 ft. Rain
likely. 
.MON...S to SW winds 15 to 25 kt. Seas 6 to 9 ft. Scattered
showers and tstms. 
.MON NIGHT...W to SW winds 5 to 15 kt. Seas 4 to 8 ft. 
.TUE...W winds 5 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...W winds 5 to 15 kt. Seas 3 to 5 ft. 
.WED...W winds less than 10 kt. Seas 3 to 5 ft. 
.WED NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 4 ft. 
.THU...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. 
.THU NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. 
X

South of New England

Updated: 448 PM EDT Sat Aug 23 2025

.TONIGHT...S winds 10 to 20 kt. Seas 6 to 10 ft. 
.SUN...S winds 5 to 15 kt. Seas 5 to 8 ft. Isolated showers. 
.SUN NIGHT...S winds 15 to 25 kt. Seas 5 to 9 ft. Scattered
showers and tstms. 
.MON...W to SW winds 10 to 20 kt. Seas 5 to 9 ft. Scattered
showers and tstms. 
.MON NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 6 ft. 
.TUE...W to SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 5 ft. 
.WED...W to NW winds 5 to 15 kt. Seas 3 to 4 ft. 
.WED NIGHT...NW winds 5 to 15 kt. Seas 3 to 4 ft. 
.THU...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. 
.THU NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. 
X

Sandy Hook to 37.5N

Updated: 449 PM EDT Sat Aug 23 2025

.TONIGHT...S winds 5 to 15 kt. Seas 6 to 11 ft. 
.SUN...S to SE winds 10 to 20 kt. Seas 5 to 8 ft. Scattered
showers and tstms. 
.SUN NIGHT...S to SW winds 15 to 25 kt. Seas 6 to 9 ft.
Scattered showers and tstms. 
.MON...W to SW winds 10 to 20 kt. Seas 4 to 8 ft. Scattered
showers and tstms. 
.MON NIGHT...NW winds 5 to 15 kt. Seas 3 to 5 ft.
.TUE...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. 
.TUE NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 4 ft. 
.WED...Variable winds 5 to 15 kt. Seas 3 to 4 ft. 
.WED NIGHT...N winds 5 to 15 kt. Seas 3 to 4 ft. 
.THU...S to SW winds 10 to 20 kt. Seas 3 to 4 ft. 
.THU NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. 
X

37.5N to Cape Hatteras

Updated: 449 PM EDT Sat Aug 23 2025

.TONIGHT...SE winds 5 to 15 kt. Seas 6 to 11 ft. Scattered
tstms. 
.SUN...S to SE winds 10 to 20 kt. Seas 5 to 8 ft. Scattered
showers and tstms. 
.SUN NIGHT...W to SW winds 15 to 25 kt. Seas 5 to 8 ft.
Scattered showers and tstms. 
.MON...W to SW winds 10 to 20 kt. Seas 4 to 7 ft. Scattered
showers and tstms. 
.MON NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 6 ft. 
.TUE...N to NW winds 5 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. 
.WED...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. 
.WED NIGHT...N to NE winds 10 to 20 kt. Seas 3 to 4 ft. 
.THU...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. 
.THU NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. 
X

Cape Hatteras to Murrells Inlet

Updated: 449 PM EDT Sat Aug 23 2025

.TONIGHT...SE winds 10 to 20 kt. Seas 6 to 9 ft. Scattered
showers and tstms. 
.SUN...S to SW winds 10 to 20 kt. Seas 5 to 8 ft. Scattered
showers and tstms. 
.SUN NIGHT...W to SW winds 10 to 20 kt. Seas 5 to 8 ft.
Scattered showers and tstms. 
.MON...SW winds 5 to 15 kt. Seas 5 to 7 ft. Scattered showers
and tstms. 
.MON NIGHT...W to SW winds 5 to 15 kt. Seas 4 to 6 ft. 
.TUE...Variable winds 5 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...Variable winds 5 to 15 kt. Seas 3 to 4 ft.
.WED...NE winds 10 to 20 kt. Seas 3 to 4 ft. 
.WED NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.THU...E to NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.THU NIGHT...E winds 5 to 15 kt. Seas 3 to 6 ft. 
X

Murrells Inlet to 31N

Updated: 454 PM EDT Sat Aug 23 2025

.TONIGHT...S to SW winds 10 to 20 kt. Seas 5 to 8 ft. Scattered
showers and tstms. 
.SUN...W to SW winds 10 to 20 kt. Seas 5 to 8 ft. Scattered
showers and tstms. 
.SUN NIGHT...W to SW winds 10 to 20 kt. Seas 5 to 8 ft.
Scattered showers and tstms. 
.MON...SW winds 5 to 15 kt. Seas 4 to 7 ft. Scattered showers
and tstms. 
.MON NIGHT...W winds 5 to 15 kt. Seas 4 to 6 ft. 
.TUE...Variable winds less than 10 kt. Seas 3 to 5 ft. 
.TUE NIGHT...Variable winds 5 to 15 kt. Seas 3 to 4 ft.
.WED...NE winds 5 to 15 kt. Seas 3 to 4 ft. 
.WED NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.THU...NE winds 5 to 15 kt. Seas 3 to 5 ft. 
.THU NIGHT...E to NE winds 5 to 15 kt. Seas 3 to 6 ft. 
X

South of 31N

Updated: 454 PM EDT Sat Aug 23 2025

.TONIGHT...W to SW winds 10 to 20 kt. Seas 5 to 8 ft. Scattered
showers and tstms. 
.SUN...W to SW winds 10 to 20 kt. Seas 5 to 8 ft. Scattered
showers and tstms. 
.SUN NIGHT...W to SW winds 10 to 20 kt. Seas 5 to 7 ft.
Scattered showers and tstms. 
.MON...W to SW winds 10 to 20 kt. Seas 4 to 6 ft. Scattered
showers and tstms. 
.MON NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 6 ft. 
.TUE...W to SW winds less than 10 kt. Seas 3 to 5 ft. 
.TUE NIGHT...W to SW winds less than 10 kt. Seas 3 to 4 ft. 
.WED...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. 
.WED NIGHT...E to NE winds 5 to 15 kt. Seas 3 to 4 ft. 
.THU...NE winds 5 to 15 kt. Seas 3 to 4 ft. 
.THU NIGHT...Variable winds 5 to 15 kt. Seas 3 to 5 ft. 



  • Below is a map of the Atlantic NAVTEX Offshore Waters Forecast areas. Clicking on a zone will display the forecast for that area.
image of OFFN01ne image of OFFN01se image of OFFN01sw image of OFFN02ne image of OFFN02e image of OFFN02se image of OFFN03ne image of OFFN03se Atlantic South of 31N zone map