


Coastal Waters Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
223 FZUS51 KGYX 182250 CWFGYX Coastal Waters Forecast National Weather Service Gray ME 650 PM EDT Fri Jul 18 2025 COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM ANZ100-191300- 650 PM EDT Fri Jul 18 2025 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM High pressure settles over the region tonight and lingers into the weekend. As high pressure departs Saturday, rain chances will increase again, especially for the waters south of Cape Elizabeth. High pressure builds in early next week. $$ ANZ154-191300- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 650 PM EDT Fri Jul 18 2025 .TONIGHT...NW winds around 5 kt, becoming around 5 kt towards daybreak. Seas around 2 ft. .SAT...NW winds around 5 kt, becoming S with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 4 seconds. .SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds. A chance of showers and tstms in the afternoon. .SUN NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds. A chance of showers and tstms in the evening. .MON...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds. .MON NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .TUE...N winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. .TUE NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. .WED...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Winds and seas higher in and near tstms. $$ ANZ152-191300- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- 650 PM EDT Fri Jul 18 2025 .TONIGHT...NW winds 5 to 10 kt, diminishing to around 5 kt towards daybreak. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds. .SAT...W winds around 5 kt, becoming S with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 5 seconds. .SUN...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds. A chance of showers and tstms in the afternoon. .SUN NIGHT...W winds 5 to 10 kt, becoming NW with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds. A chance of showers and tstms in the evening. Patchy fog. Vsby 1 to 3 NM. .MON...NW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and S 2 ft at 6 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .MON NIGHT...NW winds around 10 kt. Seas around 2 ft. .TUE...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. .TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .WED...SW winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Winds and seas higher in and near tstms. $$ ANZ150-191300- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- 650 PM EDT Fri Jul 18 2025 .TONIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. .SAT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 5 seconds. .SUN...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds. A chance of showers. A chance of tstms in the afternoon. .SUN NIGHT...W winds 5 to 10 kt, becoming NW with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds. A chance of showers and tstms in the evening. Patchy fog. Vsby 1 to 3 NM. .MON...NW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 2 seconds and S 2 ft at 6 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .MON NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .TUE...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. .TUE NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .WED...SW winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Winds and seas higher in and near tstms. $$ ANZ153-191300- Casco Bay- 650 PM EDT Fri Jul 18 2025 .TONIGHT...NW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. .SAT...W winds around 5 kt, becoming S with gusts up to 20 kt in the afternoon. Seas around 2 ft. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers and tstms in the afternoon. .SUN NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms in the evening. .MON...NW winds around 10 kt. Seas around 2 ft. .MON NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .TUE...NW winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .TUE NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. .WED...SW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Winds and seas higher in and near tstms. $$ ANZ151-191300- Penobscot Bay- 650 PM EDT Fri Jul 18 2025 .TONIGHT...NW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. .SAT...SW winds around 5 kt, becoming S with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds. .SUN...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. A chance of showers in the morning, then showers and tstms likely in the afternoon. .SUN NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds. A chance of showers and tstms in the evening. Patchy fog. Vsby 1 to 3 NM. .MON...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .MON NIGHT...NW winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. .TUE...NW winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .TUE NIGHT...W winds around 5 kt. Seas around 2 ft. .WED...SW winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. $$