Offshore Waters Forecast (New England)

FZNT21 KWBC 181447
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1047 AM EDT Sat Jul 18 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.

ANZ898-190230-
1047 AM EDT Sat Jul 18 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...Weak high pressure will move 
E of the waters as a warm front SW of the waters lifts N across
the region today. The front will move N of the area tonight as 
the next cold front approaches the coast. The cold front will 
cross the area early Sun, and pass S and E of the waters late 
Sun into Sun night. High pressure will move E over the waters Mon
while weakening. The front to the S will then return N as a warm
front Tue into Tue night, and lift N of the waters by early Wed.
Another cold front will move slowly E into the waters Wed into 
Wed night.

$$

ANZ800-190230-
Gulf of Maine to the Hague Line-
1047 AM EDT Sat Jul 18 2026

.TODAY...S to SW winds 10 to 15 kt, becoming S 20 to 30 kt. Seas
4 to 7 ft. Patchy smoke. Chance of showers. 
.TONIGHT...S winds 20 to 30 kt, becoming SW. Seas 6 to 9 ft.
Tstms and scattered showers. 
.SUN...W to NW winds 10 to 20 kt. Seas 4 to 8 ft. 
.SUN NIGHT...W to NW winds 10 to 15 kt, becoming NW 10 to 20 kt.
Seas 3 to 6 ft. 
.MON...W winds 5 to 10 kt, becoming S to SW 5 to 15 kt. Seas
3 to 5 ft. 
.MON NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE...S winds 10 to 15 kt, becoming SE 10 to 20 kt. Seas 3 to
4 ft. 
.TUE NIGHT...S to SE winds 15 to 25 kt. Seas 4 to 8 ft. 
.WED...S winds 25 to 30 kt. Seas 7 to 12 ft. 
.WED NIGHT...S to SW winds 20 to 30 kt. Seas 8 to 13 ft. 

$$

ANZ805-190230-
Georges Bank between Cape Cod and 68W north of 1000 FM-
1047 AM EDT Sat Jul 18 2026

...GALE FORCE WINDS POSSIBLE WED...

.TODAY...S to SW winds 10 to 15 kt, increasing to 15 to 25 kt.
Seas 3 to 5 ft. Patchy smoke. Chance of showers. 
.TONIGHT...S winds 15 to 25 kt, becoming SW 20 to 25 kt. Seas
4 to 8 ft. Tstms and scattered showers.
.SUN...W to SW winds 15 to 25 kt, becoming N to NW 5 to 15 kt.
Seas 5 to 9 ft. Scattered showers and tstms. 
.SUN NIGHT...W to SW winds 5 to 15 kt, becoming W to NW 5 to
10 kt. Seas 4 to 6 ft. 
.MON...Variable winds 5 to 10 kt, becoming S to SE. Seas 3 to
5 ft. 
.MON NIGHT...S to SE winds 5 to 10 kt. Seas 3 to 4 ft. 
.TUE...SE winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
5 ft. 
.TUE NIGHT...SE winds 15 to 20 kt, becoming S 20 to 30 kt. Seas
4 to 6 ft, building to 7 to 12 ft. 
.WED...S to SW winds 25 to 35 kt, becoming S 20 to 30 kt. Seas
10 to 14 ft. 
.WED NIGHT...S to SW winds 20 to 30 kt. Seas 9 to 14 ft. 

$$

ANZ900-190230-
Georges Bank between 68W and the Hague Line-
1047 AM EDT Sat Jul 18 2026

...GALE FORCE WINDS POSSIBLE WED...

.TODAY...S to SW winds 10 to 15 kt, becoming S 10 to 20 kt. Seas
3 to 5 ft. Patchy smoke. 
.TONIGHT...S winds 15 to 25 kt, becoming SW 20 to 30 kt. Seas
4 to 8 ft. Patchy smoke. Tstms and scattered showers. 
.SUN...W to SW winds 15 to 25 kt, becoming NW 10 to 20 kt. Seas
6 to 9 ft. Scattered showers and tstms. 
.SUN NIGHT...W to NW winds 5 to 15 kt. Seas 5 to 7 ft. 
.MON...Variable winds 5 to 10 kt, becoming S to SE. Seas 4 to
6 ft. 
.MON NIGHT...S to SE winds 5 to 10 kt. Seas 3 to 4 ft. 
.TUE...SE winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
5 ft. 
.TUE NIGHT...SE winds 10 to 20 kt, becoming S 20 to 30 kt. Seas
4 to 5 ft, building to 6 to 10 ft. 
.WED...S winds 25 to 35 kt, becoming S to SW 20 to 30 kt. Seas
8 to 14 ft. 
.WED NIGHT...S winds 20 to 30 kt. Seas 11 to 14 ft. 

$$

ANZ810-190230-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
1047 AM EDT Sat Jul 18 2026

.TODAY...S to SW winds 10 to 15 kt. Seas 3 to 4 ft. Patchy
smoke. Chance of showers and scattered tstms. 
.TONIGHT...S to SW winds 15 to 25 kt, becoming W to SW 20 to
30 kt. Seas 5 to 8 ft. Tstms and scattered showers. 
.SUN...W to SW winds 15 to 25 kt, becoming NW 10 to 15 kt. Seas
5 to 8 ft. Scattered showers and tstms. 
.SUN NIGHT...W winds 5 to 10 kt, becoming S. Seas 4 to 6 ft. 
.MON...Variable winds less than 10 kt, becoming S to SE. Seas
3 to 5 ft. 
.MON NIGHT...S to SE winds 5 to 10 kt. Seas 3 to 4 ft. 
.TUE...SE winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
5 ft. 
.TUE NIGHT...S to SE winds 20 to 25 kt, becoming S to SW 20 to
30 kt. Seas 5 to 8 ft, building to 9 to 13 ft. 
.WED...SW winds 20 to 30 kt. Seas 12 to 14 ft.
.WED NIGHT...SW winds 20 to 30 kt. Seas 8 to 13 ft. 

$$

ANZ815-190230-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
1047 AM EDT Sat Jul 18 2026

.TODAY...S winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
4 ft. Patchy smoke. Scattered showers and tstms. 
.TONIGHT...S to SW winds 20 to 25 kt, becoming W to SW 15 to
25 kt. Seas 4 to 7 ft. Tstms and scattered showers. 
.SUN...W to NW winds 15 to 20 kt, becoming NW 5 to 15 kt. Seas
5 to 7 ft. Scattered showers and tstms. 
.SUN NIGHT...W to NW winds 5 to 15 kt, becoming N 5 to 10 kt.
Seas 3 to 5 ft. 
.MON...N to NE winds 5 to 10 kt, becoming variable. Seas 3 to
4 ft. 
.MON NIGHT...S to SE winds 5 to 10 kt. Seas 3 to 4 ft. 
.TUE...SE winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
5 ft. 
.TUE NIGHT...S to SW winds 20 to 30 kt. Seas 5 to 7 ft, building
to 8 to 12 ft. 
.WED...SW winds 20 to 25 kt. Seas 9 to 13 ft. 
.WED NIGHT...SW winds 15 to 25 kt. Seas 8 to 11 ft. 

$$

.Forecaster Huffman. Ocean Prediction Center.