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Forecast

The following is the 7 day weather and marine forecast for the Martha's Vineyard, MA area. This Information was last updated Tuesday, July 2020 at 10:42 PM. These forecasts are provided by NOAA.

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON

Tuesday - July 14

Mostly Cloudy
Low: 61 ºF
High: 71 ºF

Marine forcast for Tuesday Night
Winds from the North. 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Patchy fog. A slight chance of showers and thunderstorms. Visibility 1 to 3 nautical miles.

Wednesday - July 15

Partly Sunny
Low: 61 ºF
High: 72 ºF

Marine forcast for Wednesday
Winds from the North. 10 to 15 knots with gusts up to 25 knots. Seas around 6 feet.
Marine forcast for Wednesday Night
Winds from the North East. 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 4 to 5 feet.

Thursday - July 16

Chance Thunderstorms
Low: 67 ºF
High: 74 ºF

Marine forcast for Thursday
Winds from the North East. 5 to 10 knots. Seas around 4 feet.
Marine forcast for Thursday Night
Winds from the South East. 5 to 10 knots. Seas around 3 feet.

Friday - July 17

Partly Sunny
Low: 69 ºF
High: 78 ºF

Marine forcast for Friday
Winds from the South. 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet.
Marine forcast for Friday Night
Winds from the South West. 10 to 15 knots. Seas 3 to 4 feet. A chance of showers and thunderstorms.

Saturday - July 18

Mostly Sunny
Low: 70 ºF
High: 80 ºF

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

Sunday - July 19

Chance Thunderstorms
Low: 71 ºF
High: 81 ºF

Marine forcast for Sunday
Winds from the South West. 10 to 15 knots. Seas 3 to 4 feet.
Marine forcast for Sunday Night
Winds from the South West. 10 to 15 knots. Seas around 4 feet.

Monday - July 20

Chance Thunderstorms
Low: na
High: 80 ºF

Winds and seas higher in and near thunderstorms.