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Forecast

The following is the 7 day weather and marine forecast for the Hyannis, MA area. This Information was last updated Wednesday, August 2019 at 11:42 AM. These forecasts are provided by NOAA.

SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING

THROUGH THURSDAY EVENING

Wednesday - August 21

Chance Rain Showers
Low: 74 ºF
High: 82 ºF

Marine forcast for Wednesday Afternoon
Winds from the South. 5 to 10 knots. Seas 2 to 3 feet. A slight chance of showers with isolated thunderstorms. Some tstms may produce damaging winds, large hail, and heavy rainfall.
Marine forcast for Wednesday Night
Winds from the South West. 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Patchy fog. A chance of showers and thunderstorms. Some tstms may produce damaging winds, large hail, and heavy rainfall. Visibility 1 nautical miles or less.

Thursday - August 22

Chance Rain Showers
Low: 66 ºF
High: 85 ºF

Marine forcast for Thursday
Winds from the South West. 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet. Patchy fog. A chance of showers. Visibility 1 nautical miles or less.
Marine forcast for Thursday Night
Winds from the West. 5 to 10 knots. Gusts up to 20 knots in the evening. Seas 3 to 5 feet. Patchy fog. A chance of showers. Visibility 1 nautical miles or less.

Friday - August 23

Chance Rain Showers
Low: 61 ºF
High: 78 ºF

Marine forcast for Friday
Winds from the North West. 5 to 10 knots. Seas 2 to 4 feet. A chance of showers.
Marine forcast for Friday Night
Winds from the West. 5 to 10 knots, becoming North after midnight. Seas 2 to 4 feet.

Saturday - August 24

Mostly Sunny
Low: 61 ºF
High: 74 ºF

Marine forcast for Saturday
Winds from the North East. 10 to 15 knots. Gusts up to 20 knots. Seas 2 to 4 feet.

Sunday - August 25

Slight Chance Rain
Low: 61 ºF
High: 72 ºF

Marine forcast for Sunday
Winds from the North East. 10 to 15 knots with gusts up to 25 knots. Seas 4 to 6 feet.

Monday - August 26

Slight Chance Rain
Low: 63 ºF
High: 73 ºF

Tuesday - August 27

Slight Chance Rain Showers
Low: na
High: 74 ºF

Winds and seas higher in and near thunderstorms.