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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, May 2020 at 12:12 PM. These forecasts are provided by NOAA.

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT

Friday - May 29

Rain Showers Likely
Low: 59 ºF
High: 66 ºF

Marine forcast for Friday Afternoon
Winds from the South. 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet. Areas of dense fog, then patchy fog. A chance of showers this morning. Visibility 1 nautical miles or less.
Marine forcast for Friday Night
Winds from the South. 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet. Patchy fog. A chance of showers. Visibility 1 nautical miles or less.

Saturday - May 30

Chance Rain Showers
Low: 56 ºF
High: 65 ºF

Marine forcast for Saturday
Winds from the South West. 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Gusts up to 30 knots. Seas 4 to 6 feet. Patchy fog. A chance of showers. Visibility 1 nautical miles or less.
Marine forcast for Saturday Night
Winds from the South West. 10 to 15 knots, becoming West 5 to 10 knots after midnight. Gusts up to 20 knots. Seas 3 to 5 feet. Patchy fog. Visibility 1 to 3 nautical miles.

Sunday - May 31

Partly Sunny
Low: 51 ºF
High: 65 ºF

Marine forcast for Sunday
Winds from the North West. 5 to 10 knots. Gusts up to 20 knots in the morning. Seas 3 to 5 feet.
Marine forcast for Sunday Night
Winds from the North. 5 to 10 knots, increasing to 10 to 15 knots after midnight. Gusts up to 20 knots. Seas 2 to 4 feet.

Monday - June 1

Chance Rain Showers
Low: 51 ºF
High: 59 ºF

Marine forcast for Monday
Winds from the West. 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet.

Tuesday - June 2

Partly Sunny
Low: 54 ºF
High: 61 ºF

Marine forcast for Tuesday Night
Winds from the South West. 10 to 15 knots. Seas 3 to 5 feet.

Wednesday - June 3

Chance Rain Showers
Low: 54 ºF
High: 64 ºF

Thursday - June 4

Chance Rain Showers
Low: na
High: 66 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.