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, September 2021 at 5:42 AM. These forecasts are provided by NOAA.

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING

Monday - September 27

Increasing Clouds
Low: 66 ºF
High: 74 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 with gusts up to 30 knots. Seas 4 to 6 feet.

Tuesday - September 28

Rain Showers Likely
Low: 57 ºF
High: 74 ºF

Marine forcast for Tuesday
Winds from the South West. 10 to 15 knots with gusts up to 25 knots. Seas 4 to 6 feet. A chance of showers.
Marine forcast for Tuesday Night
Winds from the North West. Around 10 knots, becoming North with gusts up to 20 knots after midnight. Seas 3 to 5 feet. A chance of showers.

Wednesday - September 29

Chance Rain Showers
Low: 53 ºF
High: 66 ºF

Marine forcast for Wednesday
Winds from the North. Around 15 knots with gusts up to 20 knots. Seas 4 to 5 feet.
Marine forcast for Wednesday Night
Winds from the North. 10 to 15 knots. Seas 3 to 5 feet. A chance of showers.

Thursday - September 30

Chance Rain Showers
Low: 54 ºF
High: 65 ºF

Marine forcast for Thursday
Winds from the North. Around 10 knots. Seas 3 to 5 feet. A chance of showers.
Marine forcast for Thursday
Winds from the North West. 10 to 15 knots. Seas 4 to 5 feet.

Friday - October 1

Slight Chance Rain Showers
Low: 55 ºF
High: 67 ºF

Marine forcast for Friday Night
Winds from the North West. Around 10 knots. Seas 4 to 5 feet. A chance of showers.

Saturday - October 2

Chance Rain Showers
Low: 56 ºF
High: 67 ºF

Sunday - October 3

Slight Chance Rain Showers
Low: na
High: 67 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.