HomeForecastsMassachusetts ForecastsBrant Rock, MA - Green Harbor River Surf Forecast

Brant Rock, MA - Green Harbor River Surf Forecast

FZUS51 KBOX 112013
SRFBOX

Surf Zone Forecast
National Weather Service Boston/Norton MA
413 PM EDT Tue Mar 11 2025

MAZ022-120800-
Barnstable MA-
Including the beaches of Chatham, Eastham, and Provincetown
413 PM EDT Tue Mar 11 2025

.WEDNESDAY...
Rip Current Risk*...
East Coast...............Low.
Surf Height...
East Coast...............3 to 5 feet.
Thunderstorm Potential**....None.
UV Index**..................Moderate.
Water Temperature...
East Coast...............Around 40.
Weather.....................Mostly sunny.
High Temperature............In the lower 40s.
Winds.......................North winds around 15 mph.
Tides...
Nauset Beach.............High 4.3 feet (MLLW) 10:15 AM EDT.
Low 0.1 feet (MLLW) 04:34 PM EDT.
Hyannisport..............High 3.6 feet (MLLW) 11:54 AM EDT.
Low 0.2 feet (MLLW) 05:42 PM EDT.
Barnstable Harbor........High 9.8 feet (MLLW) 11:13 AM EDT.
Low 0.2 feet (MLLW) 05:47 PM EDT.

.THURSDAY...
Rip Current Risk*...
East Coast...............Low.
Surf Height...
East Coast...............Around 5 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly cloudy. A slight chance of rain
showers.
High Temperature............In the lower 40s.
Winds.......................East winds around 10 mph.
Tides...
Nauset Beach.............High 4.3 feet (MLLW) 10:57 AM EDT.
Low 0.1 feet (MLLW) 05:12 PM EDT.
Hyannisport..............High 3.5 feet (MLLW) 12:42 PM EDT.
Barnstable Harbor........High 9.9 feet (MLLW) 11:55 AM EDT.

.FRIDAY...Surf height around 5 feet. Partly sunny. Highs in the lower
40s. East winds around 5 mph.
.SATURDAY...Surf height around 5 feet. Mostly cloudy. Highs in the
upper 40s. South winds around 10 mph.
.SUNDAY...Surf height 6 to 7 feet. Mostly cloudy. A slight chance of
showers. Highs in the lower 50s. South winds around 20 mph.

&&

Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.

** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box

$$

MAZ024-120800-
Nantucket MA-
Including the beaches of Nantucket
413 PM EDT Tue Mar 11 2025

.WEDNESDAY...
Rip Current Risk*...
East Coast...............Moderate.
South Coast..............Moderate.
Surf Height...
East Coast...............3 to 6 feet.
South Coast..............3 to 6 feet.
Thunderstorm Potential**....None.
UV Index**..................Moderate.
Water Temperature...
East Coast...............In the upper 30s.
South Coast..............In the upper 30s.
Weather.....................Sunny.
High Temperature............In the lower 40s.
Winds.......................North winds 15 to 20 mph.
Tides...
Nantucket................High 3.3 feet (MLLW) 12:01 PM EDT.
Low 0.1 feet (MLLW) 05:53 PM EDT.
Great Point..............High 3.1 feet (MLLW) 11:45 AM EDT.
Low 0.1 feet (MLLW) 05:45 PM EDT.

.THURSDAY...
Rip Current Risk*...
East Coast...............Moderate.
South Coast..............Moderate.
Surf Height...
East Coast...............Around 5 feet.
South Coast..............4 to 6 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly cloudy.
High Temperature............In the lower 40s.
Winds.......................East winds around 15 mph.
Tides...
Nantucket................Low 0.2 feet (MLLW) 06:01 AM EDT.
High 3.2 feet (MLLW) 12:48 PM EDT.
Great Point..............High 3.2 feet (MLLW) 12:27 PM EDT.

.FRIDAY...Surf height 4 to 6 feet. Mostly cloudy. Highs in the lower
40s. Northeast winds around 10 mph.
.SATURDAY...Surf height around 5 feet. Mostly cloudy. Highs in the
upper 40s. South winds around 10 mph.
.SUNDAY...Surf height 6 to 7 feet. Partly sunny. A slight chance of
showers. Highs in the lower 50s. South winds around 20 mph.

&&

Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.

** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box

$$

MAZ023-120800-
Dukes MA-
Including the beaches of Edgartown and Aquinnah
413 PM EDT Tue Mar 11 2025

.WEDNESDAY...
Rip Current Risk*...........Low.
Surf Height.................3 to 5 feet.
Thunderstorm Potential**....None.
UV Index**..................Moderate.
Water Temperature...........Around 40.
Weather.....................Sunny.
High Temperature............In the lower 40s.
Winds.......................Northeast winds around 15 mph.
Tides...
Squibnocket Point........High 2.9 feet (MLLW) 06:50 AM EDT.
Low 0.0 feet (MLLW) 01:36 PM EDT.

.THURSDAY...
Rip Current Risk*...........Low.
Surf Height.................Around 5 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly cloudy. A slight chance of rain
showers.
High Temperature............In the lower 40s.
Winds.......................East winds around 15 mph.
Tides...
Squibnocket Point........High 2.9 feet (MLLW) 07:28 AM EDT.
Low 0.0 feet (MLLW) 01:56 PM EDT.

.FRIDAY...Surf height 3 to 5 feet. Mostly cloudy. Highs in the mid
40s. Northeast winds around 10 mph.
.SATURDAY...Surf height 3 to 5 feet. Mostly cloudy. Highs in the
upper 40s. Southeast winds around 10 mph.
.SUNDAY...Surf height 6 to 8 feet. Mostly cloudy. A slight chance of
showers. Highs in the lower 50s. Breezy. South winds around 25 mph.

&&

Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.

** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box

$$

MAZ020-120800-
Southern Bristol MA-
Including the beaches of Westport, Dartmouth, and New Bedford
413 PM EDT Tue Mar 11 2025

.WEDNESDAY...
Rip Current Risk*...........Low.
Surf Height.................3 to 5 feet.
Thunderstorm Potential**....None.
UV Index**..................Moderate.
Water Temperature...........In the lower 40s.
Weather.....................Mostly sunny.
High Temperature............In the mid 40s.
Winds.......................Northeast winds around 10 mph.
Tides...
Westport Harbor..........High 3.0 feet (MLLW) 07:44 AM EDT.
Low 0.0 feet (MLLW) 02:11 PM EDT.

.THURSDAY...
Rip Current Risk*...........Low.
Surf Height.................Around 5 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly cloudy. A slight chance of rain
showers.
High Temperature............In the mid 40s.
Winds.......................East winds around 10 mph.
Tides...
Westport Harbor..........High 3.0 feet (MLLW) 08:22 AM EDT.
Low 0.0 feet (MLLW) 02:31 PM EDT.

.FRIDAY...Surf height around 4 feet. Mostly cloudy. Highs in the
upper 40s. Northeast winds around 5 mph.
.SATURDAY...Surf height around 4 feet. Mostly cloudy. Highs around
50. South winds around 5 mph.
.SUNDAY...Surf height 6 to 8 feet. Mostly cloudy. A slight chance of
showers. Highs in the mid 50s. South winds around 20 mph.

&&

Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.

** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box

$$

RIZ007-120800-
Newport RI-
Including the beaches of Newport, Middletown, and Little Compton
413 PM EDT Tue Mar 11 2025

.WEDNESDAY...
Rip Current Risk*...........Low.
Surf Height.................2 to 5 feet.
Thunderstorm Potential**....None.
UV Index**..................Moderate.
Water Temperature...........In the lower 40s.
Weather.....................Mostly sunny.
High Temperature............In the mid 40s.
Winds.......................Northeast winds 10 to 15 mph.
Tides...
Newport..................High 3.6 feet (MLLW) 07:35 AM EDT.
Low 0.0 feet (MLLW) 01:38 PM EDT.

.THURSDAY...
Rip Current Risk*...........Low.
Surf Height.................Around 5 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly cloudy. A slight chance of rain
showers.
High Temperature............In the mid 40s.
Winds.......................East winds around 10 mph.
Tides...
Newport..................High 3.6 feet (MLLW) 08:13 AM EDT.
Low 0.0 feet (MLLW) 01:58 PM EDT.

.FRIDAY...Surf height 3 to 5 feet. Mostly cloudy. Highs in the upper
40s. Northeast winds around 10 mph.
.SATURDAY...Surf height 3 to 5 feet. Mostly cloudy. Highs around 50.
Southeast winds around 10 mph.
.SUNDAY...Surf height 6 to 8 feet. Mostly cloudy. A slight chance of
showers. Highs in the mid 50s. South winds around 20 mph.

&&

Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.

** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box

$$

RIZ006-120800-
Washington RI-
Including the beaches of Narragansett, Charlestown, and Westerly
413 PM EDT Tue Mar 11 2025

.WEDNESDAY...
Rip Current Risk*...........Low.
Surf Height.................4 to 5 feet.
Thunderstorm Potential**....None.
UV Index**..................Moderate.
Water Temperature...........In the lower 40s.
Weather.....................Mostly sunny.
High Temperature............In the mid 40s.
Winds.......................Northeast winds around 10 mph.
Tides...
Watch Hill Point.........High 2.6 feet (MLLW) 08:16 AM EDT.
Low 0.0 feet (MLLW) 02:54 PM EDT.
Point Judith (Harbor)....High 3.0 feet (MLLW) 07:47 AM EDT.
Low -0.2 feet (MLLW) 02:03 PM EDT.
Narragansett Pier........High 3.2 feet (MLLW) 07:24 AM EDT.
Low 0.0 feet (MLLW) 01:49 PM EDT.

.THURSDAY...
Rip Current Risk*...........Low.
Surf Height.................Around 5 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly cloudy.
High Temperature............In the mid 40s.
Winds.......................East winds around 10 mph.
Tides...
Watch Hill Point.........High 2.7 feet (MLLW) 08:54 AM EDT.
Low 0.0 feet (MLLW) 03:14 PM EDT.
Point Judith (Harbor)....High 3.0 feet (MLLW) 08:26 AM EDT.
Low -0.2 feet (MLLW) 02:33 PM EDT.
Narragansett Pier........High 3.3 feet (MLLW) 08:02 AM EDT.
Low 0.0 feet (MLLW) 02:09 PM EDT.

.FRIDAY...Surf height around 4 feet. Mostly cloudy. Highs in the
upper 40s. Northeast winds around 5 mph.
.SATURDAY...Surf height 3 to 5 feet. Mostly cloudy. Highs in the
lower 50s. Southeast winds around 5 mph.
.SUNDAY...Surf height 6 to 9 feet. Mostly cloudy. A slight chance of
showers. Highs in the upper 50s. South winds around 15 mph.

&&

Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.

** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box

$$

RIZ008-120800-
Block Island RI-
Including the beaches of Block Island
413 PM EDT Tue Mar 11 2025

.WEDNESDAY...
Rip Current Risk*...........Low.
Surf Height.................4 to 5 feet.
Thunderstorm Potential**....None.
UV Index**..................Moderate.
Water Temperature...........In the lower 40s.
Weather.....................Mostly sunny.
High Temperature............In the lower 40s.
Winds.......................Northeast winds around 15 mph.
Tides...
Block Island (Old Harbor)High 2.9 feet (MLLW) 07:26 AM EDT.
Low -0.2 feet (MLLW) 01:46 PM EDT.

.THURSDAY...
Rip Current Risk*...........Moderate.
Surf Height.................Around 5 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly cloudy. A slight chance of rain
showers.
High Temperature............In the lower 40s.
Winds.......................East winds around 15 mph.
Tides...
Block Island (Old Harbor)High 2.9 feet (MLLW) 08:03 AM EDT.
Low -0.2 feet (MLLW) 02:15 PM EDT.

.FRIDAY...Surf height around 4 feet. Mostly cloudy. Highs in the mid
40s. Northeast winds around 10 mph.
.SATURDAY...Surf height 4 to 5 feet. Mostly cloudy. Highs in the
upper 40s. Southeast winds around 10 mph.
.SUNDAY...Surf height 6 to 8 feet. Mostly cloudy. A slight chance of
showers. Highs in the lower 50s. Breezy. South winds around 25 mph.

&&

Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.

** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box

$$

MAZ019-120800-
Eastern Plymouth MA-
Including the beaches of Cohasset, Duxbury, Hingham, Kingston,
Marshfield, Plymouth, and Scituate
413 PM EDT Tue Mar 11 2025

.WEDNESDAY...
Rip Current Risk*...........Low.
Surf Height.................3 to 5 feet.
Thunderstorm Potential**....None.
UV Index**..................Moderate.
Water Temperature...........Around 40.
Weather.....................Sunny until 8 AM, then mostly sunny.
High Temperature............In the lower 40s.
Winds.......................North winds 10 to 15 mph.
Tides...
Scituate Harbor..........High 9.5 feet (MLLW) 11:06 AM EDT.
Low 0.4 feet (MLLW) 05:19 PM EDT.
Plymouth.................High 10.0 feet (MLLW) 11:12 AM EDT.
Low 0.4 feet (MLLW) 05:27 PM EDT.

.THURSDAY...
Rip Current Risk*...........Low.
Surf Height.................3 to 5 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly cloudy. A slight chance of rain
showers.
High Temperature............In the lower 40s.
Winds.......................East winds around 10 mph.
Tides...
Scituate Harbor..........High 9.5 feet (MLLW) 11:50 AM EDT.
Low 0.4 feet (MLLW) 05:58 PM EDT.
Plymouth.................High 10.0 feet (MLLW) 11:55 AM EDT.

.FRIDAY...Surf height 3 to 5 feet. Partly sunny. Highs in the mid
40s. Northeast winds around 5 mph.
.SATURDAY...Surf height around 4 feet. Mostly cloudy. Highs in the
lower 50s. South winds around 5 mph.
.SUNDAY...Surf height 4 to 7 feet. Mostly cloudy. A slight chance of
showers. Highs in the upper 50s. South winds around 20 mph.

&&

Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.

** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box

$$

MAZ015-016-120800-
Suffolk MA-Eastern Norfolk MA-
Including the beaches of Boston, Chelsea, Revere, Winthrop,
Braintree, Milton, Quincy, and Weymouth
413 PM EDT Tue Mar 11 2025

.WEDNESDAY...
Rip Current Risk*...........Low.
Surf Height.................3 to 4 feet.
Thunderstorm Potential**....None.
UV Index**..................Moderate.
Water Temperature...........In the upper 30s.
Weather.....................Sunny until 8 AM, then mostly sunny.
High Temperature............In the lower 40s.
Winds.......................Northeast winds 10 to 15 mph.
Tides...
Boston...................High 9.8 feet (MLLW) 11:02 AM EDT.
Low 0.2 feet (MLLW) 05:17 PM EDT.

.THURSDAY...
Rip Current Risk*...........Low.
Surf Height.................3 to 4 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly cloudy. A slight chance of rain
showers.
High Temperature............In the lower 40s.
Winds.......................East winds around 10 mph.
Tides...
Boston...................High 9.9 feet (MLLW) 11:44 AM EDT.
Low 0.2 feet (MLLW) 05:55 PM EDT.

.FRIDAY...Surf height around 4 feet. Partly sunny. Highs in the mid
40s. East winds around 5 mph.
.SATURDAY...Surf height around 4 feet. Mostly cloudy. Highs in the
lower 50s. South winds around 5 mph.
.SUNDAY...Surf height 5 to 7 feet. Mostly cloudy. A slight chance of
showers. Highs around 60. South winds around 20 mph.

&&

Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.

** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box

$$

MAZ007-120800-
Eastern Essex MA-
Including the beaches of Beverly, Gloucester, and Newburyport
413 PM EDT Tue Mar 11 2025

.WEDNESDAY...
Rip Current Risk*...........Low.
Surf Height.................3 to 4 feet.
Thunderstorm Potential**....None.
UV Index**..................Moderate.
Water Temperature...........Around 40.
Weather.....................Mostly sunny.
High Temperature............In the lower 40s.
Winds.......................North winds around 10 mph, becoming
northeast in the afternoon.
Tides...
Newburyport..............High 8.3 feet (MLLW) 11:16 AM EDT.
Low 0.1 feet (MLLW) 05:46 PM EDT.
Gloucester Harbor........High 9.3 feet (MLLW) 11:05 AM EDT.
Low 0.1 feet (MLLW) 05:19 PM EDT.

.THURSDAY...
Rip Current Risk*...........Moderate.
Surf Height.................4 to 5 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly cloudy. A slight chance of rain
showers.
High Temperature............In the lower 40s.
Winds.......................East winds around 10 mph.
Tides...
Newburyport..............Low 0.4 feet (MLLW) 06:01 AM EDT.
High 8.2 feet (MLLW) 12:00 PM EDT.
Gloucester Harbor........High 9.2 feet (MLLW) 11:48 AM EDT.
Low 0.2 feet (MLLW) 05:58 PM EDT.

.FRIDAY...Surf height 4 to 5 feet. Partly sunny. Highs in the mid
40s. East winds around 5 mph.
.SATURDAY...Surf height around 4 feet. Mostly cloudy. Highs in the
lower 50s. South winds around 5 mph.
.SUNDAY...Surf height 6 to 7 feet. Mostly cloudy. A slight chance of
showers. Highs in the upper 50s. South winds around 20 mph.

&&

Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.

** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box


$$



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