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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, July 2019 at 8:42 PM. These forecasts are provided by NOAA.

SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY

Tuesday - July 23

Chance Rain Showers
Low: 61 ºF
High: 73 ºF

Marine forcast for Tuesday Night
Winds from the North. 10 to 15 knots with gusts up to 20 knots, becoming North East 5 to 10 knots after midnight. Seas 3 to 5 feet. Showers likely after midnight with visibility 1 to 3 nautical miles.

Wednesday - July 24

Mostly Sunny
Low: 64 ºF
High: 78 ºF

Marine forcast for Wednesday
Winds from the North East. 10 to 15 knots. Gusts up to 20 knots in the morning. Seas 2 to 4 feet. A chance of showers. Visibility 1 nautical miles or less.
Marine forcast for Wednesday Night
Winds from the North. 5 to 10 knots. Seas 2 to 4 feet.

Thursday - July 25

Mostly Sunny
Low: 65 ºF
High: 80 ºF

Marine forcast for Thursday
Winds from the North. Around 5 knots. Seas 2 to 4 feet.
Marine forcast for Thursday Night
Winds from the South West. Around 5 knots. Seas 2 to 4 feet.

Friday - July 26

Mostly Sunny
Low: 66 ºF
High: 80 ºF

Marine forcast for Friday
Winds from the South. Around 5 knots. Seas 2 to 3 feet.
Marine forcast for Friday Night
Winds from the South. 5 to 10 knots. Seas 2 to 3 feet.

Saturday - July 27

Mostly Sunny
Low: 71 ºF
High: 81 ºF

Marine forcast for Saturday
Winds from the South. 5 to 10 knots. Seas 2 to 3 feet.
Marine forcast for Saturday Night
Winds from the South. 5 to 10 knots. Seas 2 to 3 feet.

Sunday - July 28

Slight Chance Thunderstorms
Low: 72 ºF
High: 82 ºF

Marine forcast for Sunday
Winds from the South. 5 to 10 knots. Seas 2 to 4 feet.
Marine forcast for Sunday Night
Winds from the South West. 10 to 15 knots. Seas 2 to 4 feet.

Monday - July 29

Mostly Sunny
Low: na
High: 83 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.