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 Tuesday, December 2020 at 6:12 AM. These forecasts are provided by NOAA.

GALE WARNING IN EFFECT UNTIL 9 AM EST THIS MORNING

Tuesday - December 1

Rain Showers
Low: 42 ºF
High: 60 ºF

Marine forcast for Tuesday
Winds from the South. 20 to 25 knots with gusts up to 35 knots, becoming South West 15 to 20 knots with gusts up to 25 knots this afternoon. Seas 9 to 14 feet, except 13 to 18 feet South and East of nantucket. Showers, mainly this morning. Patchy fog this morning. Visibility 1 to 3 nautical miles.
Marine forcast for Tuesday Night
Winds from the South West. 15 to 20 knots with gusts up to 30 knots. Seas 7 to 10 feet, except 9 to 14 feet South and East of nantucket.

Wednesday - December 2

Partly Sunny
Low: 37 ºF
High: 48 ºF

Marine forcast for Wednesday
Winds from the South West. 15 to 20 knots with gusts up to 25 knots. Seas 6 to 9 feet.
Marine forcast for Wednesday Night
Winds from the West. 15 to 20 knots with gusts up to 30 knots. Seas 6 to 9 feet.

Thursday - December 3

Mostly Sunny
Low: 41 ºF
High: 50 ºF

Marine forcast for Thursday
Winds from the South West. 15 to 20 knots with gusts up to 25 knots. Seas 4 to 7 feet.

Friday - December 4

Chance Rain Showers
Low: 43 ºF
High: 54 ºF

Marine forcast for Friday
Winds from the West. 10 to 15 knots with gusts up to 20 knots. Seas 4 to 6 feet. A chance of showers.

Saturday - December 5

Chance Rain Showers
Low: 41 ºF
High: 50 ºF

Marine forcast for Saturday
Winds from the North West. Around 10 knots, becoming North. Gusts up to 20 knots. Seas 4 to 6 feet.

Sunday - December 6

Chance Rain Showers
Low: 39 ºF
High: 50 ºF

Monday - December 7

Chance Rain Showers
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.