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 Thursday, April 2024 at 10:12 AM. These forecasts are provided by NOAA.

Thursday - April 18

Cloudy
Low: 41 ºF
High: 49 ºF

Friday - April 19

Chance Rain Showers
Low: 44 ºF
High: 50 ºF

Saturday - April 20

Chance Rain Showers
Low: 44 ºF
High: 62 ºF

Marine forcast for Saturday
Winds from the South. 5 to 10 knots, becoming West this afternoon. Seas 2 to 3 feet. Wave detail: South 3 feet at 4 seconds and East 2 feet at 11 seconds. Patchy fog. Showers. Visibility 1 nautical miles or less.
Marine forcast for Saturday Night
Winds from the South West. 5 to 10 knots, becoming North West after midnight. Gusts up to 20 knots. Seas 2 to 4 feet. Wave detail: North West 3 feet at 4 seconds and South East 3 feet at 6 seconds. Patchy fog in the evening with visibility 1 nautical miles or less.

Sunday - April 21

Partly Sunny
Low: 43 ºF
High: 57 ºF

Marine forcast for Sunday
Winds from the North West. 5 to 10 knots, becoming South West with gusts up to 20 knots in the afternoon. Seas 3 to 4 feet. Wave detail: North West 3 feet at 4 seconds and South East 2 feet at 6 seconds.
Marine forcast for Sunday Night
Winds from the West. 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave detail: South 2 feet at 5 seconds and East 1 feet at 11 seconds.

Monday - April 22

Mostly Sunny
Low: 43 ºF
High: 57 ºF

Marine forcast for Monday
Winds from the North West. 10 to 15 knots with gusts up to 20 knots, becoming North in the afternoon. Seas 2 to 3 feet. Wave detail: North West 2 feet at 4 seconds and South East 1 feet at 6 seconds.
Marine forcast for Monday Night
Winds from the South East. 5 to 10 knots. Seas 2 to 3 feet.

Tuesday - April 23

Mostly Cloudy
Low: 44 ºF
High: 54 ºF

Marine forcast for Tuesday
Winds from the South. 10 to 15 knots with gusts up to 25 knots. Seas 2 to 3 feet.

Wednesday - April 24

Chance Rain Showers
Low: na
High: 55 ºF

Marine forcast for Wednesday
Winds from the South. Around 15 knots, becoming South West. Gusts up to 25 knots. Seas 3 to 5 feet. A chance of showers.

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.