Conditions · MA

Massachusetts conditions

Weather, coastal forecasts, tides, water temperature and river flows, region by region. Fishing reports are separate: those come from people on the water.

Boston and North Shore

Sunrise: 6:47 AM
Sunset: 6:19 PM
Moon: Waning crescent · 14% lit

Air: 48°F
Wind: 6 mph; From the W
Sky: Clear

Coastal forecast · ANZ230

Boston Harbor

Tonight: W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves around 2 ft this evening, then 1 foot or less.
Wednesday: SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves around 2 ft.
Wednesday Night: SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves around 2 ft.

Issued 703 PM EDT Tue Oct 6 2026

Coastal forecast · ANZ154

Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out

Rest Of Tonight: NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: NW 2 ft at 3 seconds and E 2 ft at 8 seconds.
Wednesday: SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds.
Wednesday Night: SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds.

Issued 25 NM-

Coastal forecast · ANZ251

Massachusetts Bay and Ipswich Bay

Tonight: NW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and E 2 ft at 7 seconds.
Wednesday: SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and E 1 foot at 7 seconds.
Wednesday Night: SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and E 1 foot at 8 seconds.

Issued 703 PM EDT Tue Oct 6 2026

Tides today

Deer Island (south end), MA
Serves Deer Island (Winthrop)
Low 1:51a 0.5 ftHigh 8:12a 8.9 ftLow 2:10p 1.1 ftHigh 8:31p 9.8 ft
Plum Island Sound (south end), MA
Serves Plum Island (Parker River National Wildlife Refuge)
Low 2:14a 0.2 ftHigh 8:22a 8.6 ftLow 2:34p 0.7 ftHigh 8:46p 9.5 ft
Plum Island, Merrimack River Entrance, MA
Serves Merrimack River Mouth (Newburyport and Salisbury)
Low 2:12a 0.2 ftHigh 8:24a 7.8 ftLow 2:32p 0.7 ftHigh 8:47p 8.7 ft

Sources: National Weather Service, NOAA Tides & Currents, USGS. Sunrise, sunset and moon phase are calculated. Readings refresh every 15 minutes; always check official forecasts before going out.