Your Ultimate Boating Resource

HomeForecastsMassachusetts ForecastsBrant Rock, MA - Green Harbor River Marine Weather

Brant Rock, MA - Green Harbor River Marine Weather Forecast

Station 44013 - BOSTON 16 NM East of Boston, MA

April 1, 2026 12:40 am EDT
Location: 42.346N 70.651W
Wind Direction: SW (230°)
Wind Speed: 0.0 knots
Wind Gust: 1.9 knots
Atmospheric Pressure: 29.92 in (1013.1 mb)
Air Temperature: 38.7°F (3.7°C)
Dew Point: 38.5°F (3.6°C)
Water Temperature: 39.7°F (4.3°C)


Overnight - 40°F
Apr 01, 2026
14 mph SW
Patchy Fog
Patchy fog before 5am, then patchy fog and a slight chance of rain showers. Mostly cloudy. Low around 40, with temperatures rising to around 49 overnight. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday - 63°F
Apr 01, 2026
8 to 13 mph W
Patchy Fog then Chance Rain Showers
Patchy fog and a slight chance of rain showers before 7am, then a chance of rain showers and patchy fog. Mostly cloudy. High near 63, with temperatures falling to around 50 in the afternoon. West wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Wednesday Night - 37°F
Apr 01, 2026
7 to 12 mph NE
Rain Showers Likely
A chance of rain showers before 10pm, then rain showers likely and patchy fog. Mostly cloudy, with a low around 37. Northeast wind 7 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Thursday - 42°F
Apr 02, 2026
14 mph NE
Rain Showers Likely
Rain showers likely and patchy fog. Cloudy, with a high near 42. Northeast wind around 14 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday Night - 36°F
Apr 02, 2026
5 to 12 mph E
Chance Rain Showers
A chance of rain showers before 8pm, then a chance of rain showers and patchy fog. Cloudy, with a low around 36. East wind 5 to 12 mph. Chance of precipitation is 30%.
Friday - 59°F
Apr 03, 2026
5 to 13 mph S
Slight Chance Rain Showers then Mostly Cloudy
A slight chance of rain showers before 8am. Mostly cloudy, with a high near 59. South wind 5 to 13 mph. Chance of precipitation is 20%.
Friday Night - 47°F
Apr 03, 2026
9 to 13 mph SW
Mostly Cloudy
Mostly cloudy, with a low around 47. Southwest wind 9 to 13 mph, with gusts as high as 23 mph.
Saturday - 60°F
Apr 04, 2026
7 to 10 mph N
Partly Sunny then Slight Chance Rain Showers
A slight chance of rain showers after 3pm. Partly sunny, with a high near 60. North wind 7 to 10 mph.
Saturday Night - 41°F
Apr 04, 2026
10 mph SE
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 41. Southeast wind around 10 mph. Chance of precipitation is 30%.
Sunday - 59°F
Apr 05, 2026
9 to 16 mph S
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a high near 59. South wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Sunday Night - 39°F
Apr 05, 2026
9 to 14 mph SW
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a low around 39. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Monday - 51°F
Apr 06, 2026
10 mph W
Chance Rain Showers then Mostly Sunny
A chance of rain showers before 8am. Mostly sunny, with a high near 51. West wind around 10 mph. Chance of precipitation is 30%.
Monday Night - 35°F
Apr 06, 2026
7 mph NW
Mostly Clear
Mostly clear, with a low around 35. Northwest wind around 7 mph.
Tuesday - 47°F
Apr 07, 2026
6 to 9 mph NE
Partly Sunny
Partly sunny, with a high near 47. Northeast wind 6 to 9 mph.

Don't Miss

Add us on Google to stay connected!
Add Us on Google