Nearby Harbors
42.0833’ N, 70.6467’ W

Brant Rock, Green Harbor River, MA

54°
H 55°
L 50°
NE
13mph
Low tide
2:16 pm
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Brant Rock, Green Harbor River, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Oct 21 		Cloudy
Close Hourly 		55º / 50º 4% NE 17 mph 73%
12pm Cloudy 54º 2% NE 13 mph 72%
1pm Cloudy 54º 2% NE 14 mph 72%
2pm Cloudy 54º 2% NNE 15 mph 72%
3pm Cloudy 53º 2% NNE 18 mph 73%
4pm Cloudy 53º 2% NE 18 mph 73%
5pm Cloudy 53º 3% NE 18 mph 74%
6pm Cloudy 52º 4% NNE 16 mph 76%
7pm Cloudy 51º 5% NNE 14 mph 80%
8pm Cloudy 51º 5% NE 14 mph 80%
9pm Cloudy 51º 4% NE 15 mph 81%
10pm Cloudy 51º 4% NNE 15 mph 79%
11pm Cloudy 51º 8% NNE 16 mph 77%
Thu
Oct 22 		AM Clouds/PM Sun
View Hourly 		58º / 45º 4% N 18 mph 60%
12am Cloudy 52º 10% NNE 16 mph 76%
1am Cloudy 52º 8% NNE 16 mph 76%
2am Cloudy 52º 4% NNE 16 mph 75%
3am Cloudy 52º 4% NNE 16 mph 77%
4am Cloudy 51º 7% NNE 16 mph 78%
5am Cloudy 52º 7% NNE 16 mph 77%
6am Cloudy 52º 4% NNE 16 mph 77%
7am Cloudy 51º 4% N 17 mph 76%
8am Cloudy 51º 4% N 16 mph 75%
9am Cloudy 53º 3% N 17 mph 71%
10am Cloudy 54º 3% N 18 mph 66%
11am Mostly Cloudy 54º 2% N 17 mph 62%
12pm Mostly Cloudy 54º 1% N 17 mph 61%
1pm Mostly Cloudy 56º 1% N 18 mph 55%
2pm Mostly Cloudy 57º 0% N 18 mph 50%
3pm Mostly Cloudy 57º 0% N 16 mph 48%
4pm Partly Cloudy 58º 0% N 15 mph 48%
5pm Partly Cloudy 57º 0% N 13 mph 52%
6pm Clear 56º 1% N 9 mph 59%
7pm Clear 54º 1% N 9 mph 69%
8pm Partly Cloudy 53º 2% N 11 mph 72%
9pm Partly Cloudy 53º 2% N 13 mph 70%
10pm Mostly Clear 53º 1% N 15 mph 65%
11pm Mostly Clear 51º 0% N 17 mph 63%
Fri
Oct 23 		Sunny
View Hourly 		52º / 38º 1% NNE 15 mph 52%
12am Clear 50º 0% N 16 mph 61%
1am Clear 49º 0% N 16 mph 57%
2am Clear 49º 0% N 16 mph 57%
3am Clear 48º 0% NNE 15 mph 59%
4am Clear 47º 1% NNE 15 mph 59%
5am Clear 46º 1% N 14 mph 60%
6am Clear 46º 1% N 14 mph 61%
7am Clear 46º 1% N 14 mph 62%
8am Sunny 47º 1% N 14 mph 60%
9am Sunny 48º 1% N 14 mph 56%
10am Sunny 49º 1% N 15 mph 54%
11am Sunny 49º 0% N 13 mph 53%
Sat
Oct 24 		Sunny 57º / 39º 4% NNW 3 mph 57%
Sun
Oct 25 		Sunny 63º / 42º 5% SSW 3 mph 58%
Mon
Oct 26 		Sunny 66º / 49º 4% WSW 5 mph 62%
Tue
Oct 27 		Partly Cloudy 55º / 47º 4% NNE 9 mph 68%
Wed
Oct 28 		Partly Cloudy 53º / 46º 2% ENE 7 mph 60%

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

Today
High : 54ºF
NNE wind 20 to 22 kt, with gusts as high as 29 kt. Cloudy. Seas around 5 ft.
Tonight
Low : 51ºF
NNE wind 22 to 24 kt, with gusts as high as 30 kt. A chance of showers, mainly between 9pm and 4am. Seas around 5 ft.
Thursday
High : 57ºF
N wind 19 to 24 kt, with gusts as high as 30 kt. Cloudy, then gradually becoming mostly sunny. Seas 4 to 5 ft.
Thursday Night
Low : 46ºF
N wind 22 to 26 kt, with gusts as high as 32 kt. Partly cloudy. Seas 4 to 5 ft.
Friday
High : 51ºF
N wind 19 to 22 kt decreasing to 16 to 19 kt in the afternoon. Sunny. Seas around 5 ft.
Friday Night
Low : 44ºF
N wind 8 to 10 kt. Mostly clear. Seas 3 to 4 ft.
Saturday
High : 53ºF
NW wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas around 3 ft.
Saturday Night
Low : 46ºF
Variable winds 5 kt or less. Clear. Seas around 2 ft.
Sunday
High : 60ºF
Variable winds 5 kt or less. Sunny. Seas around 2 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

    WednesdayThursdayFriday
    Wind Speed (MPH) 131814161616171511161514
    4pm8pm12am4am8am12pm4pm8pm12am4am8am12pm
    MPH 131814161616171511161514
    DIR NENENENNENNENNNNNNNEN

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

    As Of: 28 minutes ago

    • 54ºF
    • 50ºF
    • 13mph
    • 0º (NE)
    • 19mph
    • Cloudy
    • 10mi
    • 30.22"
    • 72%
    • 0ºF

    The weather right now in Brant Rock, Green Harbor River, MA is Cloudy. The current temperature is 54°F, and the expected high and low for today, Wednesday, October 21, 2026, are 55° high temperature and 50°F low temperature. The wind is currently blowing at 13 miles per hour, and coming from the Northeast. The wind is gusting to 19 mph. With the wind and the atmosphere the temperature feels like 50° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 72 percent, and air pressure at 30.22 in. Visibility is 10 nautical miles. There are 2 current weather alert(s).

    Weather Alerts
    Gale Watch - 2:36am Wed Oct 21 2026

    ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EDT THURSDAY... ...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY AFTERNOON...

    WHAT: For the Small Craft Advisory, northeast winds 15 to 25
    kt with gusts up to 30 kt and seas 6 to 9 feet. For the Gale
    Watch, north winds 20 to 30 kt with gusts up to 35 kt and seas
    5 to 8 feet possible.

    WHERE: Coastal waters east of Ipswich Bay and the Stellwagen
    Bank National Marine Sanctuary and Massachusetts Bay and
    Ipswich Bay.

    WHEN: For the Small Craft Advisory, until 5 PM EDT Thursday.
    For the Gale Watch, from Thursday afternoon through Friday
    afternoon.

    IMPACTS: Strong winds can cause hazardous seas which could
    capsize or damage vessels and reduce visibility.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Mariners should consider altering plans to avoid possible
    hazardous conditions. Remain in port, seek safe harbor, alter
    course, and/or secure the vessel for severe wind and seas.

    &&

    Small Craft Advisory - 2:36am Wed Oct 21 2026

    ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EDT THURSDAY... ...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY AFTERNOON...

    WHAT: For the Small Craft Advisory, northeast winds 15 to 25
    kt with gusts up to 30 kt and seas 6 to 9 feet. For the Gale
    Watch, north winds 20 to 30 kt with gusts up to 35 kt and seas
    5 to 8 feet possible.

    WHERE: Coastal waters east of Ipswich Bay and the Stellwagen
    Bank National Marine Sanctuary and Massachusetts Bay and
    Ipswich Bay.

    WHEN: For the Small Craft Advisory, until 5 PM EDT Thursday.
    For the Gale Watch, from Thursday afternoon through Friday
    afternoon.

    IMPACTS: Strong winds can cause hazardous seas which could
    capsize or damage vessels and reduce visibility.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Mariners should consider altering plans to avoid possible
    hazardous conditions. Remain in port, seek safe harbor, alter
    course, and/or secure the vessel for severe wind and seas.

    &&

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