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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 Sunday, October 2017 at 8:12 PM. These forecasts are provided by NOAA.

SMALL CRAFT ADVISORY IN EFFECT FROM LATE MONDAY NIGHT THROUGH

TUESDAY AFTERNOON

Sunday - October 22

Patchy Fog
Low: 55 ºF
High: 72 ºF

Marine forcast for Sunday Night
Winds from the South. Around 5 knots. Seas 2 to 3 feet. Areas of fog. Visibility 1 nautical miles or less after midnight.

Monday - October 23

Mostly Cloudy
Low: 61 ºF
High: 69 ºF

Marine forcast for Monday
Winds from the South. 5 to 10 knots. Seas 2 to 3 feet. Areas of fog. Visibility 1 nautical miles or less.
Marine forcast for Monday Night
Winds from the South. 10 to 15 knots, increasing to 15 to 20 knots after midnight. Gusts up to 25 knots. Seas 2 to 4 feet.

Tuesday - October 24

Rain Likely
Low: 63 ºF
High: 69 ºF

Marine forcast for Tuesday
Winds from the South. 15 to 20 knots with gusts up to 35 knots. Seas 4 to 7 feet.
Marine forcast for Tuesday Night
Winds from the South. 20 to 25 knots with gusts up to 40 knots. Seas 6 to 9 feet. Rain likely.

Wednesday - October 25

Rain
Low: 56 ºF
High: 67 ºF

Marine forcast for Wednesday
Winds from the South. 20 to 25 knots with gusts up to 40 knots. Seas 8 to 11 feet. Rain. Visibility 1 to 3 nautical miles.
Marine forcast for Wednesday Night
Winds from the South. 10 to 15 knots. Gusts up to 25 knots in the evening. Seas 7 to 10 feet. Rain. Visibility 1 to 3 nautical miles.

Thursday - October 26

Rain Showers
Low: 48 ºF
High: 63 ºF

Marine forcast for Thursday
Winds from the South West. 5 to 10 knots. Seas 7 to 10 feet. Showers.
Marine forcast for Thursday Night
Winds from the West. 10 to 15 knots with gusts up to 25 knots. Seas 7 to 10 feet.

Friday - October 27

Mostly Sunny
Low: 52 ºF
High: 61 ºF

Marine forcast for Friday
Winds from the West. 10 to 15 knots with gusts up to 20 knots. Seas 5 to 8 feet.
Marine forcast for Friday Night
Winds from the South West. 5 to 10 knots. Seas 3 to 5 feet.

Saturday - October 28

Partly Sunny
Low: 54 ºF
High: 63 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.

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