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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 Monday, October 2018 at 10:41 AM. These forecasts are provided by NOAA.

SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING

Monday - October 22

Chance Rain Showers
Low: 41 ºF
High: 49 ºF

Marine forcast for Monday Afternoon
Winds from the West. 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet.
Marine forcast for Monday Night
Winds from the South West. 5 to 10 knots. Gusts up to 20 knots in the evening. Seas 3 to 4 feet.

Tuesday - October 23

Chance Rain Showers
Low: 46 ºF
High: 60 ºF

Marine forcast for Tuesday
Winds from the South. 5 to 10 knots, becoming South East 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 3 to 4 feet. A chance of showers.
Marine forcast for Tuesday Night
Winds from the West. 10 to 15 knots with gusts up to 25 knots. Seas around 5 feet. A chance of showers.

Wednesday - October 24

Chance Rain Showers
Low: 38 ºF
High: 52 ºF

Marine forcast for Wednesday
Winds from the North West. 10 to 15 knots with gusts up to 30 knots. Seas 4 to 5 feet. A chance of showers.
Marine forcast for Wednesday Night
Winds from the North West. 15 to 20 knots with gusts up to 35 knots. Seas around 6 feet. A chance of showers.

Thursday - October 25

Partly Sunny
Low: 30 ºF
High: 47 ºF

Marine forcast for Thursday
Winds from the North West. 15 to 20 knots with gusts up to 30 knots. Seas 5 to 6 feet.
Marine forcast for Thursday Night
Winds from the North West. 15 to 20 knots with gusts up to 35 knots. Seas around 6 feet.

Friday - October 26

Mostly Sunny
Low: 37 ºF
High: 46 ºF

Marine forcast for Friday
Winds from the North West. 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Gusts up to 30 knots. Seas 4 to 5 feet.
Marine forcast for Friday Night
Winds from the North West. 5 to 10 knots with gusts up to 20 knots, becoming North after midnight. Seas 2 to 3 feet.

Saturday - October 27

Chance Rain Showers
Low: 43 ºF
High: 52 ºF

Sunday - October 28

Chance Rain Showers
Low: na
High: 52 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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