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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 Friday, March 2023 at 8:12 AM. These forecasts are provided by NOAA.

GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

MORNING

Friday - March 31

Rain
Low: 41 ºF
High: 44 ºF

Marine forcast for Friday
Winds from the West. 10 to 15 knots, becoming South West with gusts up to 20 knots this afternoon. Seas 2 to 4 feet. A chance of rain this afternoon.
Marine forcast for Friday Night
Winds from the South. 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet. Patchy fog. Rain likely. Visibility 1 to 3 nautical miles.

Saturday - April 1

Rain
Low: 35 ºF
High: 54 ºF

Marine forcast for Saturday
Winds from the South West. 25 to 30 knots with gusts up to 35 knots. Seas 7 to 10 feet, except 9 to 14 feet South and East of nantucket. Patchy fog. Rain. Visibility 1 nautical miles or less.
Marine forcast for Saturday Night
Winds from the South West. 20 to 25 knots with gusts up to 30 knots. Seas 8 to 11 feet, except 10 to 15 feet South and East of nantucket. A chance of showers. Visibility 1 to 3 nautical miles.

Sunday - April 2

Mostly Sunny
Low: 34 ºF
High: 44 ºF

Marine forcast for Sunday
Winds from the North West. 25 to 30 knots, diminishing to 20 to 25 knots in the afternoon. Seas 7 to 10 feet.
Marine forcast for Sunday Night
Winds from the North West. 10 to 15 knots with gusts up to 20 knots. Seas 4 to 7 feet.

Monday - April 3

Breezy
Low: 42 ºF
High: 50 ºF

Marine forcast for Monday
Winds from the South West. 20 to 25 knots with gusts up to 35 knots. Seas 4 to 6 feet.

Tuesday - April 4

Mostly Cloudy
Low: 42 ºF
High: 52 ºF

Marine forcast for Tuesday Night
Winds from the South East. Around 10 knots. Seas 2 to 3 feet.

Wednesday - April 5

Slight Chance Rain
Low: 46 ºF
High: 53 ºF

Thursday - April 6

Chance Rain
Low: na
High: 56 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.