Weather

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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 2023 at 4:42 AM. These forecasts are provided by NOAA.

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

Monday - March 20

Sunny
Low: 32 ºF
High: 44 ºF

Marine forcast for Monday
Winds from the West. 10 to 15 knots, becoming South West 15 to 20 knots this afternoon. Gusts up to 25 knots. Seas 3 to 5 feet.
Marine forcast for Monday Night
Winds from the South West. 15 to 20 knots, becoming West 10 to 15 knots after midnight. Gusts up to 25 knots. Seas 2 to 4 feet.

Tuesday - March 21

Mostly Sunny
Low: 38 ºF
High: 54 ºF

Marine forcast for Tuesday
Winds from the South West. 10 to 15 knots. Gusts up to 20 knots in the afternoon. Seas 2 to 3 feet.
Marine forcast for Tuesday Night
Winds from the South West. 10 to 15 knots with gusts up to 20 knots, becoming West 5 to 10 knots after midnight. Seas 2 to 3 feet.

Wednesday - March 22

Mostly Cloudy
Low: 40 ºF
High: 47 ºF

Marine forcast for Wednesday
Winds from the North. Around 5 knots, becoming South East in the afternoon. Seas around 2 feet.
Marine forcast for Wednesday Night
Winds from the South. 5 to 10 knots. Gusts up to 20 knots after midnight. Seas 2 to 3 feet. A chance of rain.

Thursday - March 23

Chance Rain
Low: 42 ºF
High: 49 ºF

Marine forcast for Thursday
Winds from the South West. 10 to 15 knots with gusts up to 25 knots. Seas 2 to 4 feet. A chance of rain.
Marine forcast for Thursday
Winds from the North. 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet. A chance of rain.

Friday - March 24

Chance Rain
Low: 39 ºF
High: 49 ºF

Saturday - March 25

Chance Rain
Low: 38 ºF
High: 48 ºF

Sunday - March 26

Mostly Cloudy
Low: na
High: 46 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.