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Forecast

The following is the 7 day weather and marine forecast for the Chatham, MA area. This Information was last updated Monday, March 2021 at 7:42 PM. These forecasts are provided by NOAA.

STORM WARNING IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH

TUESDAY AFTERNOON

FREEZING SPRAY ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT

THROUGH TUESDAY AFTERNOON

Monday - March 1

Breezy
Low: 24 ºF
High: 30 ºF

Marine forcast for Monday Night
Winds from the West. 25 to 35 knots, becoming North West 35 to 40 knots after midnight. Gusts up to 55 knots. Seas 9 to 12 feet. Light freezing spray after midnight. A slight chance of snow showers after midnight.

Tuesday - March 2

Mostly Sunny
Low: 29 ºF
High: 43 ºF

Marine forcast for Tuesday
Winds from the North West. 30 to 40 knots, diminishing to 25 to 30 knots in the afternoon. Gusts up to 50 knots. Seas 9 to 14 feet. Freezing spray.
Marine forcast for Tuesday Night
Winds from the West. 25 to 30 knots with gusts up to 40 knots, diminishing to 20 to 25 knots with gusts up to 30 knots after midnight. Seas 7 to 10 feet.

Wednesday - March 3

Mostly Sunny
Low: 21 ºF
High: 38 ºF

Marine forcast for Wednesday
Winds from the West. 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet.
Marine forcast for Wednesday Night
Winds from the North West. Around 15 knots with gusts up to 20 knots. Seas 2 to 4 feet.

Thursday - March 4

Mostly Sunny
Low: 23 ºF
High: 34 ºF

Marine forcast for Thursday
Winds from the North West. 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet.
Marine forcast for Thursday Night
Winds from the North West. 20 to 25 knots with gusts up to 30 knots. Seas 5 to 8 feet. A chance of light freezing spray.

Friday - March 5

Partly Sunny
Low: 28 ºF
High: 36 ºF

Marine forcast for Friday
Winds from the North West. 15 to 20 knots with gusts up to 25 knots. Seas 5 to 7 feet. A chance of light freezing spray.
Marine forcast for Friday
Winds from the West. 15 to 20 knots with gusts up to 25 knots. Seas 4 to 7 feet.

Saturday - March 6

Partly Sunny
Low: 30 ºF
High: 38 ºF

Marine forcast for Saturday Night
Winds from the North West. 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet.

Sunday - March 7

Partly Sunny
Low: na
High: 39 ºF

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.