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Plum Island Sound, MA - (South End) Marine Weather Forecast

Station 44029 - Buoy A01 - Massachusetts Bay

March 31, 2026 11:00 pm EDT
Location: 42.523N 70.566W
Water Temperature: 39.6°F (4.2°C)


Overnight - 39°F
Apr 01, 2026
6 to 9 mph S
Patchy Fog
Patchy fog and a chance of showers and thunderstorms before 3am, then patchy fog and a slight chance of rain showers. Cloudy. Low around 39, with temperatures rising to around 45 overnight. South wind 6 to 9 mph. Chance of precipitation is 40%.
Wednesday - 59°F
Apr 01, 2026
10 mph NW
Chance Rain Showers
A chance of rain showers and patchy fog. Mostly cloudy. High near 59, with temperatures falling to around 48 in the afternoon. Northwest wind around 10 mph. Chance of precipitation is 50%.
Wednesday Night - 36°F
Apr 01, 2026
7 to 13 mph NE
Chance Rain Showers
A chance of rain showers before 4am, then rain showers likely and patchy fog. Mostly cloudy, with a low around 36. Northeast wind 7 to 13 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Thursday - 40°F
Apr 02, 2026
14 mph NE
Chance Rain Showers
A chance of rain showers before 10am, then a chance of rain showers and patchy fog. Cloudy, with a high near 40. Northeast wind around 14 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday Night - 37°F
Apr 02, 2026
5 to 10 mph E
Chance Rain Showers
A chance of rain showers before 7pm, then a chance of rain showers and patchy fog. Cloudy, with a low around 37. East wind 5 to 10 mph. Chance of precipitation is 40%.
Friday - 59°F
Apr 03, 2026
3 to 10 mph SE
Chance Rain Showers then Mostly Cloudy
A chance of rain showers before 8am. Mostly cloudy, with a high near 59. Southeast wind 3 to 10 mph. Chance of precipitation is 40%.
Friday Night - 47°F
Apr 03, 2026
8 to 12 mph SW
Partly Cloudy
Partly cloudy, with a low around 47. Southwest wind 8 to 12 mph.
Saturday - 57°F
Apr 04, 2026
7 to 13 mph N
Partly Sunny then Slight Chance Rain Showers
A slight chance of rain showers after 4pm. Partly sunny, with a high near 57. North wind 7 to 13 mph.
Saturday Night - 41°F
Apr 04, 2026
7 to 10 mph E
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 41. East wind 7 to 10 mph. Chance of precipitation is 40%.
Sunday - 59°F
Apr 05, 2026
7 to 15 mph S
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a high near 59. South wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night - 40°F
Apr 05, 2026
14 mph W
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a low around 40. West wind around 14 mph. Chance of precipitation is 60%.
Monday - 49°F
Apr 06, 2026
8 to 12 mph W
Slight Chance Rain Showers then Mostly Sunny
A slight chance of rain showers before 8am. Mostly sunny, with a high near 49. West wind 8 to 12 mph.
Monday Night - 35°F
Apr 06, 2026
8 mph NW
Mostly Clear
Mostly clear, with a low around 35. Northwest wind around 8 mph.
Tuesday - 46°F
Apr 07, 2026
9 mph NE
Mostly Sunny
Mostly sunny, with a high near 46. Northeast wind around 9 mph.

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