Brant Rock, Green Harbor River, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Aug 17 		Fog Late
Close Hourly 		-º / 66º 20% NNE 4 mph 97%
10pm Cloudy 69º 15% ENE 1 mph 93%
11pm Mostly Cloudy 68º 15% ENE 1 mph 95%
Tue
Aug 18 		AM Fog/PM Sun
View Hourly 		74º / 64º 20% NNE 7 mph 83%
12am Mostly Cloudy 68º 15% NE 1 mph 96%
1am Mostly Cloudy 68º 15% NE 1 mph 97%
2am Cloudy 68º 15% NE 1 mph 100%
3am Foggy 67º 15% NNE 3 mph 100%
4am Foggy 67º 19% NNE 4 mph 100%
5am Foggy 68º 21% NNE 3 mph 98%
6am Foggy 68º 17% NNE 4 mph 98%
7am Foggy 68º 16% NNE 4 mph 98%
8am Foggy 69º 21% N 5 mph 92%
9am Mostly Cloudy 71º 15% NNE 6 mph 88%
10am Cloudy 72º 20% NNE 6 mph 82%
11am Mostly Cloudy 73º 20% NNE 7 mph 80%
12pm Mostly Cloudy 73º 6% NNE 7 mph 79%
1pm Mostly Cloudy 73º 6% NNE 7 mph 78%
2pm Mostly Cloudy 74º 6% NNE 7 mph 77%
3pm Partly Cloudy 74º 6% NE 6 mph 78%
4pm Partly Cloudy 73º 6% NE 6 mph 79%
5pm Partly Cloudy 73º 18% ENE 5 mph 80%
6pm Partly Cloudy 72º 18% ENE 4 mph 83%
7pm Partly Cloudy 71º 8% NE 2 mph 85%
8pm Partly Cloudy 69º 11% NE 0 mph 94%
9pm Partly Cloudy 68º 23% ENE 0 mph 97%
10pm Partly Cloudy 66º 21% ESE 0 mph 99%
11pm Mostly Cloudy 67º 20% SSE 0 mph 100%
Wed
Aug 19 		Partly Cloudy
View Hourly 		82º / 67º 20% SSW 7 mph 69%
12am Mostly Cloudy 67º 21% S 0 mph 98%
1am Mostly Cloudy 67º 21% WSW 0 mph 99%
2am Cloudy 68º 20% WSW 0 mph 97%
3am Cloudy 66º 20% SW 0 mph 100%
4am Foggy 65º 21% WSW 1 mph 100%
5am Foggy 65º 21% SW 0 mph 100%
6am Foggy 65º 16% W 1 mph 100%
7am Mostly Cloudy 66º 21% WSW 1 mph 100%
8am Mostly Cloudy 70º 20% W 2 mph 91%
9am Mostly Cloudy 73º 20% W 2 mph 81%
10am Partly Cloudy 76º 5% SW 2 mph 70%
11am Mostly Sunny 78º 4% SW 3 mph 65%
12pm Mostly Sunny 80º 4% SSE 4 mph 63%
1pm Mostly Sunny 80º 3% SE 5 mph 59%
2pm Partly Cloudy 81º 2% SE 6 mph 58%
3pm Mostly Sunny 81º 7% SE 6 mph 59%
4pm Sunny 80º 3% SSE 6 mph 60%
5pm Partly Cloudy 80º 3% SSE 7 mph 59%
6pm Sunny 80º 2% SSW 6 mph 60%
7pm Sunny 79º 2% SSW 5 mph 66%
8pm Clear 76º 2% SW 4 mph 73%
9pm Clear 75º 3% SW 4 mph 75%
Thu
Aug 20 		PM Showers 81º / 65º 33% NE 6 mph 66%
Fri
Aug 21 		Partly Cloudy 76º / 64º 24% NE 7 mph 70%
Sat
Aug 22 		Showers 74º / 66º 54% ENE 10 mph 77%
Sun
Aug 23 		Scattered Thunderstorms 76º / 65º 52% ESE 8 mph 79%
Mon
Aug 24 		AM Showers 79º / 63º 37% SW 8 mph 66%

Weather Radar for Brant Rock, Green Harbor River, MA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Brant Rock, Green Harbor River, MA

Tonight
Low : 67ºF
Variable winds 5 kt or less. A slight chance of showers before 2am. Patchy fog. Seas around 1 ft.
Tuesday
High : 72ºF
N wind 5 to 7 kt. Patchy fog before 11am. Seas around 1 ft.
Tuesday Night
Low : 67ºF
Variable winds 5 kt or less. Patchy fog after midnight. Seas around 1 ft.
Wednesday
High : 80ºF
Variable winds less than 5 kt becoming SSE 5 to 7 kt in the afternoon. Patchy fog before 9am. Seas around 1 ft.
Wednesday Night
Low : 69ºF
SW wind 5 to 7 kt. Partly cloudy. Seas around 1 ft.
Thursday
High : 77ºF
Variable winds less than 5 kt becoming ENE around 6 kt in the afternoon. A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Seas around 1 ft.
Thursday Night
Low : 66ºF
Variable winds 5 kt or less. A chance of showers before 2am. Seas around 1 ft.
Friday
High : 73ºF
N wind 6 to 8 kt becoming ENE in the afternoon. Mostly sunny. Seas around 1 ft.
Friday Night
Low : 66ºF
Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.

NOAA Buoy Data Near Brant Rock, Green Harbor River, MA See Map

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    Wind Speed Forecast for Brant Rock, Green Harbor River, MA

    TuesdayWednesday
    Wind Speed (MPH) 114674001266
    2am6am10am2pm6pm10pm2am6am10am2pm6pm10pm
    MPH 114674001266
    DIR ENENENNENNENNEENEESEWSWWSWSESSW

    Current Weather Conditions In Brant Rock, Green Harbor River, MA

    As Of: 24 minutes ago

    • 69ºF
    • 69ºF
    • 1mph
    • 0º (ENE)
    • 1mph
    • Cloudy
    • 7mi
    • 29.84"
    • 93%
    • 0ºF

    The weather right now in Brant Rock, Green Harbor River, MA is Cloudy. The current temperature is 69°F, and the expected high and low for today, Monday, August 17, 2026, are -° high temperature and 66°F low temperature. The wind is currently blowing at 1 miles per hour, and coming from the East Northeast. The wind is gusting to 1 mph. With the wind and the atmosphere the temperature feels like 69° Fahrenheit. Expected precipitation is 15 percent, with current humidity at 93 percent, and air pressure at 29.84 in. Visibility is 7 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Rip Current Statement - 1:50pm Mon Aug 17 2026

    ...HIGH RIP CURRENT RISK IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING...

    WHAT: Dangerous rip currents expected.

    WHERE: Eastern Essex MA, Suffolk MA, Eastern Norfolk MA,
    Eastern Plymouth MA and Barnstable MA Counties.

    WHEN: From Tuesday morning through Tuesday evening.

    IMPACTS: Rip currents can sweep even the best swimmers away
    from shore into deeper water.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Swim near a lifeguard. If caught in a rip current, relax and
    float. Don't swim against the current. If able, swim in a
    direction following the shoreline. If unable to escape, face the
    shore and call or wave for help.

    &&