Nearby Harbors
42.0833’ N, 70.6467’ W

Brant Rock, Green Harbor River, MA

61°
H -°
L 53°
NNE
0mph
Low tide
7:17 pm
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Brant Rock, Green Harbor River, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Sep 28 		Fog Early/Clouds Late
Close Hourly 		-º / 53º 24% NW 7 mph 96%
6pm Showers 61º 43% NNE 0 mph 95%
7pm Light Rain 60º 64% NNW 2 mph 96%
8pm Cloudy 60º 18% NNW 1 mph 94%
9pm Foggy 61º 24% NNW 4 mph 94%
10pm Foggy 60º 24% NNW 5 mph 98%
11pm Foggy 59º 24% NW 6 mph 96%
Tue
Sep 29 		Cloudy
View Hourly 		66º / 58º 24% WNW 6 mph 81%
12am Foggy 58º 22% NW 7 mph 96%
1am Cloudy 57º 24% NW 6 mph 97%
2am Cloudy 55º 24% NW 6 mph 100%
3am Cloudy 55º 24% NW 7 mph 98%
4am Cloudy 55º 24% WNW 6 mph 97%
5am Cloudy 54º 23% WNW 5 mph 97%
6am Cloudy 55º 12% W 5 mph 95%
7am Cloudy 55º 15% W 5 mph 94%
8am Cloudy 57º 24% WNW 5 mph 90%
9am Cloudy 59º 17% WNW 5 mph 88%
10am Mostly Cloudy 60º 23% WNW 5 mph 84%
11am Mostly Cloudy 62º 5% WNW 6 mph 79%
12pm Mostly Cloudy 64º 4% WNW 5 mph 77%
1pm Cloudy 65º 4% NW 5 mph 74%
2pm Cloudy 65º 3% NW 5 mph 74%
3pm Cloudy 65º 4% NW 3 mph 74%
4pm Cloudy 65º 4% NW 3 mph 74%
5pm Cloudy 64º 5% NNW 0 mph 78%
6pm Cloudy 63º 6% W 0 mph 83%
7pm Cloudy 62º 7% WNW 0 mph 85%
8pm Cloudy 61º 7% WSW 0 mph 88%
9pm Cloudy 61º 7% W 0 mph 90%
10pm Cloudy 60º 7% W 0 mph 91%
11pm Cloudy 60º 11% WNW 0 mph 91%
Wed
Sep 30 		Cloudy
View Hourly 		66º / 58º 15% S 3 mph 83%
12am Cloudy 60º 11% WNW 0 mph 91%
1am Cloudy 59º 10% NW 0 mph 91%
2am Mostly Cloudy 59º 20% WNW 0 mph 92%
3am Cloudy 59º 7% W 0 mph 92%
4am Mostly Cloudy 59º 8% W 0 mph 92%
5am Cloudy 59º 8% W 0 mph 93%
6am Cloudy 59º 16% W 0 mph 92%
7am Mostly Cloudy 59º 8% WNW 0 mph 93%
8am Mostly Cloudy 60º 7% WNW 0 mph 90%
9am Mostly Cloudy 62º 13% WNW 0 mph 87%
10am Cloudy 63º 6% W 0 mph 84%
11am Cloudy 64º 5% WSW 0 mph 79%
12pm Mostly Cloudy 65º 5% SSE 0 mph 79%
1pm Mostly Cloudy 65º 6% E 1 mph 78%
2pm Mostly Cloudy 66º 13% E 1 mph 79%
3pm Cloudy 65º 5% SE 1 mph 79%
4pm Mostly Cloudy 64º 6% SE 2 mph 81%
5pm Mostly Cloudy 64º 6% SSE 3 mph 80%
Thu
Oct 1 		Partly Cloudy 78º / 64º 8% SW 10 mph 72%
Fri
Oct 2 		Partly Cloudy 80º / 59º 10% SW 8 mph 66%
Sat
Oct 3 		Partly Cloudy 64º / 55º 24% NE 9 mph 68%
Sun
Oct 4 		Rain 61º / 55º 72% E 10 mph 73%
Mon
Oct 5 		AM Showers 64º / 46º 47% NW 10 mph 71%

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 : 57ºF
E wind 5 to 8 kt becoming NNW 8 to 11 kt after midnight. Showers, mainly before 1am. Patchy fog. Seas 3 to 4 ft.
Tuesday
High : 64ºF
NW wind 6 to 9 kt. Patchy fog before 11am. Seas around 3 ft.
Tuesday Night
Low : 59ºF
Variable winds 5 kt or less. Mostly cloudy. Seas around 2 ft.
Wednesday
High : 64ºF
Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.
Wednesday Night
Low : 59ºF
Variable winds 5 kt or less. Mostly cloudy. Seas around 2 ft.
Thursday
High : 72ºF
SW wind 6 to 11 kt. Mostly sunny. Seas around 2 ft.
Thursday Night
Low : 64ºF
SW wind around 11 kt. Partly cloudy. Seas around 2 ft.
Friday
High : 73ºF
SW wind 6 to 8 kt. Mostly sunny. Seas 1 to 2 ft.
Friday Night
Low : 59ºF
W wind 5 to 8 kt becoming N after midnight. A chance of showers. 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

    MondayTuesdayWednesday
    Wind Speed (MPH) 056555000001
    10pm2am6am10am2pm6pm10pm2am6am10am2pm6pm
    MPH 056555000001
    DIR NNENNWNWWWNWNWWWWNWWWE

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

    As Of: 36 minutes ago

    • 61ºF
    • 61ºF
    • 0mph
    • 0º (NNE)
    • 0mph
    • Showers
    • 4mi
    • 29.80"
    • 95%
    • 0ºF

    The weather right now in Brant Rock, Green Harbor River, MA is Showers. The current temperature is 61°F, and the expected high and low for today, Monday, September 28, 2026, are -° high temperature and 53°F low temperature. The wind is currently blowing at 0 miles per hour, and coming from the North Northeast. The wind is gusting to 0 mph. With the wind and the atmosphere the temperature feels like 61° Fahrenheit. Expected precipitation is 43 percent, with current humidity at 95 percent, and air pressure at 29.8 in. Visibility is 4 nautical miles. There are 3 current weather alert(s).

    Weather Alerts
    River Flood Warning - 11:23am Mon Sep 28 2026

    ...FLOOD WARNING REMAINS IN EFFECT UNTIL TUESDAY EVENING...

    WHAT: Minor flooding is occurring and minor flooding is forecast.

    WHERE: Taunton River near Bridgewater.

    WHEN: Until Tuesday evening.

    IMPACTS: At 8.0 feet, Backwater flooding from the Taunton River
    will cause flooding of lower Purchade Brook in Middleboro. This
    will cause Woloski Park to become impassable by most vehicles.
    Beware of the dangers of crossing flooded roadways.

    ADDITIONAL DETAILS: - At 10:45 AM EDT Monday the stage was 8.3 feet.
    - Recent Activity...The maximum river stage in the 24 hours ending
    at 10:45 AM EDT Monday was 8.3 feet.
    - Forecast...The river is expected to rise to a crest of 8.5 feet
    this evening. It will then fall below flood stage tomorrow
    afternoon.
    - Flood stage is 8.0 feet.
    - http://www.weather.gov/safety/flood

    &&

    Small Craft Advisory - 2:15pm Mon Sep 28 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT TUESDAY...

    WHAT: North winds 5 to 15 kt with gusts up to 25 kt and seas
    5 to 8 feet.

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

    WHEN: Until 2 PM EDT Tuesday.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&

    Coastal Flood Advisory - 2:08pm Mon Sep 28 2026

    ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

    WHAT: Up to one half foot of inundation above ground level in
    low-lying areas near shorelines and tidal waterways.

    WHERE: Eastern Massachusetts coast, including Cape Cod, Nantucket and
    Martha's Vineyard

    WHEN: Until midnight EDT tonight.

    IMPACTS: Roads remain passable. Low lying areas and roads
    near Nantucket Harbor, including Easy Street, may experience
    pockets of shallow flooding less than one foot deep.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    If travel is required, allow extra time as some roads may be
    closed. Do not drive around barricades or through water of
    unknown depth. Take the necessary actions to protect flood-prone
    property.

    &&

    &&

    Time of high total tides are approximate to the nearest hour.

    Gloucester Harbor
    MLLW Categories - Minor 11.5 ft, Moderate 13.0 ft, Major 15.0 ft
    MHHW Categories - Minor 1.9 ft, Moderate 3.4 ft, Major 5.4 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/01 AM 10.0/10.5 0.4/ 0.9 0.6/ 1.1 5 None
    29/01 PM 10.8/11.3 1.2/ 1.7 0.6/ 1.1 4 None
    30/02 AM 9.9/10.4 0.2/ 0.8 0.6/ 1.1 3 None

    Merrimack River near Newburyport MA
    MLLW Categories - Minor 11.0 ft, Moderate 12.0 ft, Major 13.5 ft
    MHHW Categories - Minor 1.5 ft, Moderate 2.5 ft, Major 4.0 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/02 AM 9.2/ 9.7 -0.3/ 0.2 0.8/ 1.3 4 None
    29/02 PM 9.9/10.4 0.4/ 0.9 0.6/ 1.1 3 None
    30/02 AM 8.9/ 9.4 -0.7/-0.2 0.6/ 1.1 2 None

    Boston Harbor
    MLLW Categories - Minor 12.5 ft, Moderate 14.0 ft, Major 15.0 ft
    MHHW Categories - Minor 2.2 ft, Moderate 3.7 ft, Major 4.7 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/01 AM 11.0/11.5 0.7/ 1.1 0.8/ 1.3 1-2 None
    29/02 PM 11.6/12.1 1.3/ 1.8 0.6/ 1.1 1 None
    30/02 AM 10.6/11.1 0.2/ 0.8 0.6/ 1.1 1 None

    Revere
    MLLW Categories - Minor 12.5 ft, Moderate 14.5 ft, Major 16.0 ft
    MHHW Categories - Minor 2.6 ft, Moderate 4.6 ft, Major 6.1 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/01 AM 10.6/11.1 0.7/ 1.1 0.7/ 1.1 1 None
    29/02 PM 11.3/11.8 1.4/ 1.9 0.6/ 1.1 1 None
    30/02 AM 10.4/10.9 0.5/ 1.0 0.6/ 1.1 1 None

    Green Harbor
    MLLW Categories - Minor 11.5 ft, Moderate 13.5 ft, Major 15.5 ft
    MHHW Categories - Minor 1.6 ft, Moderate 3.6 ft, Major 5.6 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/01 AM 10.2/10.7 0.2/ 0.8 0.7/ 1.1 3-4 None
    29/02 PM 11.0/11.5 1.1/ 1.6 0.6/ 1.1 3 None
    30/02 AM 10.0/10.5 0.1/ 0.6 0.6/ 1.1 2 None

    Scituate MA
    MLLW Categories - Minor 11.5 ft, Moderate 13.5 ft, Major 15.5 ft
    MHHW Categories - Minor 1.8 ft, Moderate 3.8 ft, Major 5.8 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/01 AM 10.2/10.7 0.5/ 1.0 0.8/ 1.3 4-5 None
    29/02 PM 10.8/11.3 1.1/ 1.6 0.6/ 1.1 3-4 None
    30/02 AM 9.9/10.4 0.2/ 0.7 0.6/ 1.1 3 None

    Buzzards Bay at Woods Hole
    MLLW Categories - Minor 5.5 ft, Moderate 7.0 ft, Major 8.5 ft
    MHHW Categories - Minor 3.5 ft, Moderate 5.0 ft, Major 6.5 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    28/10 PM 2.6/ 3.1 0.6/ 1.1 0.6/ 1.1 2-3 None
    29/11 AM 3.2/ 3.7 1.2/ 1.7 0.5/ 1.0 2 None
    29/11 PM 2.5/ 3.0 0.5/ 1.0 0.6/ 1.1 1 None
    30/11 AM 3.2/ 3.7 1.2/ 1.7 0.6/ 1.1 1 None

    Chatham MA - East Coast
    MLLW Categories - Minor 9.0 ft, Moderate 11.5 ft, Major 13.0 ft
    MHHW Categories - Minor 3.8 ft, Moderate 6.3 ft, Major 7.8 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    28/02 PM 6.8/ 7.3 1.6/ 2.0 0.9/ 1.4 4 None
    29/02 AM 5.9/ 6.4 0.7/ 1.1 0.6/ 1.1 4 None
    29/02 PM 6.6/ 7.1 1.4/ 1.9 0.5/ 1.0 3 None
    30/03 AM 5.7/ 6.2 0.5/ 1.0 0.6/ 1.1 3 None

    Chatham - South side
    MLLW Categories - Minor 9.0 ft, Moderate 10.5 ft, Major 11.5 ft
    MHHW Categories - Minor 4.5 ft, Moderate 6.0 ft, Major 7.0 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/02 AM 4.5/ 5.0 0.0/ 0.5 0.6/ 1.1 3 None
    29/03 PM 5.2/ 5.7 0.7/ 1.1 0.6/ 1.1 3 None
    30/03 AM 4.5/ 5.0 0.0/ 0.5 0.6/ 1.1 2 None

    Hyannis Harbor
    MLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.5 ft
    MHHW Categories - Minor 1.2 ft, Moderate 2.7 ft, Major 4.7 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    28/02 PM 4.9/ 5.4 1.1/ 1.6 1.0/ 1.5 2 Minor
    29/02 AM 3.9/ 4.4 0.1/ 0.6 0.6/ 1.1 2 None
    29/03 PM 4.6/ 5.1 0.8/ 1.3 0.6/ 1.1 2 None
    30/03 AM 3.7/ 4.2 0.0/ 0.5 0.6/ 1.1 1 None

    Provincetown Harbor
    MLLW Categories - Minor 13.0 ft, Moderate 14.0 ft, Major 15.0 ft
    MHHW Categories - Minor 2.9 ft, Moderate 3.9 ft, Major 4.9 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/01 AM 10.7/11.2 0.6/ 1.1 0.7/ 1.1 4 None
    29/02 PM 11.4/11.9 1.3/ 1.8 0.6/ 1.1 3 None
    30/02 AM 10.5/11.0 0.4/ 0.9 0.6/ 1.1 3 None

    Dennis - Sesuit Harbor
    MLLW Categories - Minor 13.0 ft, Moderate 14.5 ft, Major 16.0 ft
    MHHW Categories - Minor 2.5 ft, Moderate 4.0 ft, Major 5.5 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/01 AM 11.2/11.7 0.7/ 1.1 0.8/ 1.3 2 None
    29/02 PM 11.9/12.4 1.4/ 1.9 0.6/ 1.1 2 None
    30/02 AM 10.9/11.4 0.4/ 0.9 0.6/ 1.1 2 None

    Sandwich Harbor
    MLLW Categories - Minor 12.0 ft, Moderate 14.0 ft, Major 15.0 ft
    MHHW Categories - Minor 1.7 ft, Moderate 3.7 ft, Major 4.7 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/01 AM 9.4/ 9.9 -1.0/-0.5 0.8/ 1.3 2 None
    29/02 PM 10.0/10.5 -0.3/ 0.2 0.6/ 1.1 2 None
    30/02 AM 9.1/ 9.6 -1.3/-0.8 0.6/ 1.1 1 None

    Wings Neck
    MLLW Categories - Minor 6.5 ft, Moderate 9.0 ft, Major 11.5 ft
    MHHW Categories - Minor 2.1 ft, Moderate 4.6 ft, Major 7.1 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    28/10 PM 4.7/ 5.2 0.2/ 0.8 0.6/ 1.1 1-2 None
    29/11 AM 5.2/ 5.7 0.9/ 1.4 0.6/ 1.1 1 None
    29/11 PM 4.5/ 5.0 0.1/ 0.6 0.6/ 1.1 1 None
    30/11 AM 5.2/ 5.7 0.8/ 1.3 0.6/ 1.1 1 None

    Edgartown
    MLLW Categories - Minor 4.0 ft, Moderate 5.0 ft, Major 7.0 ft
    MHHW Categories - Minor 1.3 ft, Moderate 2.3 ft, Major 4.3 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    28/11 PM 2.5/ 3.0 -0.2/ 0.2 0.8/ 1.3 3 None
    29/12 PM 3.1/ 3.6 0.4/ 0.9 0.5/ 1.0 2 None
    30/03 AM 2.3/ 2.8 -0.3/ 0.2 0.6/ 1.1 1-2 None

    Vineyard Haven
    MLLW Categories - Minor 4.5 ft, Moderate 6.0 ft, Major 7.0 ft
    MHHW Categories - Minor 2.5 ft, Moderate 4.0 ft, Major 5.0 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/01 AM 2.1/ 2.6 0.1/ 0.6 0.6/ 1.1 2 None
    29/01 PM 2.5/ 3.0 0.5/ 1.0 0.5/ 1.0 2 None
    30/03 AM 2.2/ 2.7 0.2/ 0.7 0.6/ 1.1 1 None

    Nantucket Harbor
    MLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.0 ft
    MHHW Categories - Minor 1.4 ft, Moderate 2.9 ft, Major 4.4 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/02 AM 3.6/ 4.1 0.0/ 0.5 0.5/ 1.0 4 None
    29/03 PM 4.5/ 5.0 0.9/ 1.4 0.6/ 1.1 3 None
    30/03 AM 3.7/ 4.2 0.1/ 0.6 0.6/ 1.1 2 None

    &&

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