Surf Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
851
FZUS51 KBOX 222013
SRFBOX
Surf Zone Forecast
National Weather Service Boston/Norton MA
413 PM EDT Fri Aug 22 2025
MAZ022-230800-
Barnstable MA-
Including the beaches of Chatham, Eastham, and Provincetown
413 PM EDT Fri Aug 22 2025
...HIGH SURF ADVISORY IN EFFECT UNTIL 8 PM EDT SATURDAY...
.SATURDAY...
Rip Current Risk*...
East Coast...............High.
Surf Height...
East Coast...............6 to 10 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...
East Coast...............In the upper 60s.
Weather.....................Sunny.
High Temperature............In the mid 70s.
Winds.......................South winds 10 to 15 mph.
Tides...
Nauset Beach.............High 4.3 feet (MLLW) 11:21 AM EDT.
Low 0.2 feet (MLLW) 05:21 PM EDT.
Hyannisport..............Low 0.3 feet (MLLW) 06:27 AM EDT.
High 3.4 feet (MLLW) 01:11 PM EDT.
Barnstable Harbor........Low -0.1 feet (MLLW) 06:24 AM EDT.
High 9.7 feet (MLLW) 12:19 PM EDT.
.SUNDAY...
Rip Current Risk*...
East Coast...............Moderate.
Surf Height...
East Coast...............Around 5 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the mid 70s.
Winds.......................South winds 10 to 15 mph.
Tides...
Nauset Beach.............High 4.3 feet (MLLW) 12:04 PM EDT.
Hyannisport..............Low 0.4 feet (MLLW) 07:10 AM EDT.
High 3.5 feet (MLLW) 01:56 PM EDT.
Barnstable Harbor........Low 0.0 feet (MLLW) 07:07 AM EDT.
High 9.8 feet (MLLW) 01:02 PM EDT.
.MONDAY...Surf height 3 to 4 feet. Partly sunny. A chance of showers.
Highs in the lower 70s. Southeast winds around 10 mph.
.TUESDAY...Surf height 4 to 5 feet. Sunny. Highs in the mid 70s. West
winds around 10 mph.
.WEDNESDAY...Surf height 4 to 5 feet. Sunny. Highs in the lower 70s.
West winds around 10 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
$$
MAZ024-230800-
Nantucket MA-
Including the beaches of Nantucket
413 PM EDT Fri Aug 22 2025
...HIGH SURF ADVISORY IN EFFECT UNTIL 8 PM EDT SATURDAY...
.SATURDAY...
Rip Current Risk*...
East Coast...............High.
South Coast..............High.
Surf Height...
East Coast...............7 to 10 feet.
South Coast..............6 to 9 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...
East Coast...............In the upper 60s.
South Coast..............In the upper 60s.
Weather.....................Sunny.
High Temperature............In the mid 70s.
Winds.......................South winds 10 to 15 mph.
Tides...
Nantucket................Low 0.2 feet (MLLW) 06:34 AM EDT.
High 3.1 feet (MLLW) 01:16 PM EDT.
Great Point..............Low 0.0 feet (MLLW) 06:22 AM EDT.
High 3.1 feet (MLLW) 12:51 PM EDT.
.SUNDAY...
Rip Current Risk*...
East Coast...............High.
South Coast..............High.
Surf Height...
East Coast...............Around 5 feet.
South Coast..............4 to 6 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the mid 70s.
Winds.......................South winds around 15 mph.
Tides...
Nantucket................Low 0.3 feet (MLLW) 07:16 AM EDT.
High 3.2 feet (MLLW) 01:57 PM EDT.
Great Point..............Low 0.0 feet (MLLW) 07:05 AM EDT.
High 3.1 feet (MLLW) 01:34 PM EDT.
.MONDAY...Surf height 3 to 5 feet. Partly sunny. A chance of showers.
Highs in the lower 70s. Southeast winds around 15 mph.
.TUESDAY...Surf height around 5 feet. Sunny. Highs in the lower 70s.
West winds around 15 mph.
.WEDNESDAY...Surf height 4 to 5 feet. Sunny. Highs in the lower 70s.
West 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
$$
MAZ023-230800-
Dukes MA-
Including the beaches of Edgartown and Aquinnah
413 PM EDT Fri Aug 22 2025
...HIGH SURF ADVISORY IN EFFECT UNTIL 8 PM EDT SATURDAY...
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................5 to 8 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...........In the upper 60s.
Weather.....................Sunny.
High Temperature............In the mid 70s.
Winds.......................Southwest winds 10 to 15 mph.
Tides...
Squibnocket Point........High 3.4 feet (MLLW) 07:47 AM EDT.
Low 0.1 feet (MLLW) 02:01 PM EDT.
.SUNDAY...
Rip Current Risk*...........Moderate.
Surf Height.................4 to 6 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the mid 70s.
Winds.......................South winds around 15 mph.
Tides...
Squibnocket Point........High 3.4 feet (MLLW) 08:31 AM EDT.
Low 0.1 feet (MLLW) 02:44 PM EDT.
.MONDAY...Surf height 3 to 5 feet. Partly sunny. A chance of showers.
Highs in the mid 70s. Southeast winds around 15 mph.
.TUESDAY...Surf height around 5 feet. Sunny. Highs in the lower 70s.
West winds around 15 mph.
.WEDNESDAY...Surf height 4 to 5 feet. Sunny. Highs in the lower 70s.
West winds around 10 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
$$
MAZ020-230800-
Southern Bristol MA-
Including the beaches of Westport, Dartmouth, and New Bedford
413 PM EDT Fri Aug 22 2025
...HIGH SURF ADVISORY IN EFFECT UNTIL 8 PM EDT SATURDAY...
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................4 to 6 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...........In the upper 60s.
Weather.....................Sunny.
High Temperature............In the upper 70s.
Winds.......................Southwest winds 10 to 15 mph.
Tides...
Westport Harbor..........High 3.5 feet (MLLW) 08:41 AM EDT.
Low 0.1 feet (MLLW) 02:36 PM EDT.
.SUNDAY...
Rip Current Risk*...........Moderate.
Surf Height.................3 to 5 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the upper 70s.
Winds.......................South winds 10 to 15 mph.
Tides...
Westport Harbor..........High 3.6 feet (MLLW) 09:25 AM EDT.
Low 0.1 feet (MLLW) 03:19 PM EDT.
.MONDAY...Surf height 3 to 4 feet. Partly sunny. A chance of showers.
Highs in the upper 70s. South winds around 10 mph.
.TUESDAY...Surf height 4 to 5 feet. Sunny. Highs in the mid 70s. West
winds around 10 mph.
.WEDNESDAY...Surf height 4 to 5 feet. Sunny. Highs in the lower 70s.
West winds around 10 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
RIZ007-230800-
Newport RI-
Including the beaches of Newport, Middletown, and Little Compton
413 PM EDT Fri Aug 22 2025
...HIGH SURF ADVISORY IN EFFECT UNTIL 8 PM EDT SATURDAY...
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................4 to 7 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...........In the upper 60s.
Weather.....................Sunny.
High Temperature............In the upper 70s.
Winds.......................Southwest winds 10 to 15 mph.
Tides...
Newport..................High 4.1 feet (MLLW) 08:32 AM EDT.
Low 0.1 feet (MLLW) 02:03 PM EDT.
.SUNDAY...
Rip Current Risk*...........Moderate.
Surf Height.................3 to 6 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the mid 70s.
Winds.......................South winds 10 to 15 mph.
Tides...
Newport..................High 4.2 feet (MLLW) 09:16 AM EDT.
Low 0.2 feet (MLLW) 02:46 PM EDT.
.MONDAY...Surf height 3 to 4 feet. Partly sunny. A chance of showers.
Highs in the mid 70s. South winds around 10 mph.
.TUESDAY...Surf height 4 to 5 feet. Sunny. Highs in the mid 70s. West
winds around 10 mph.
.WEDNESDAY...Surf height 4 to 5 feet. Sunny. Highs in the lower 70s.
West winds around 10 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
$$
RIZ006-230800-
Washington RI-
Including the beaches of Narragansett, Charlestown, and Westerly
413 PM EDT Fri Aug 22 2025
...HIGH SURF ADVISORY IN EFFECT UNTIL 8 PM EDT SATURDAY...
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................5 to 7 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...........Around 70.
Weather.....................Sunny.
High Temperature............In the upper 70s.
Winds.......................Southwest winds 5 to 10 mph.
Tides...
Watch Hill Point.........High 3.1 feet (MLLW) 09:13 AM EDT.
Low 0.1 feet (MLLW) 03:19 PM EDT.
Point Judith (Harbor)....High 3.6 feet (MLLW) 08:45 AM EDT.
Low 0.1 feet (MLLW) 02:57 PM EDT.
Narragansett Pier........High 3.8 feet (MLLW) 08:21 AM EDT.
Low 0.1 feet (MLLW) 02:14 PM EDT.
.SUNDAY...
Rip Current Risk*...........Moderate.
Surf Height.................4 to 6 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the upper 70s.
Winds.......................South winds 10 to 15 mph.
Tides...
Watch Hill Point.........High 3.1 feet (MLLW) 09:57 AM EDT.
Low 0.1 feet (MLLW) 04:02 PM EDT.
Point Judith (Harbor)....High 3.6 feet (MLLW) 09:27 AM EDT.
Low 0.1 feet (MLLW) 03:36 PM EDT.
Narragansett Pier........High 3.8 feet (MLLW) 09:05 AM EDT.
Low 0.2 feet (MLLW) 02:57 PM EDT.
.MONDAY...Surf height 3 to 4 feet. Partly sunny. A chance of showers.
Highs in the upper 70s. South winds around 10 mph.
.TUESDAY...Surf height 4 to 5 feet. Sunny. Highs in the mid 70s. West
winds around 10 mph.
.WEDNESDAY...Surf height around 4 feet. Sunny. Highs in the lower
70s. West winds around 10 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
$$
RIZ008-230800-
Block Island RI-
Including the beaches of Block Island
413 PM EDT Fri Aug 22 2025
...HIGH SURF ADVISORY IN EFFECT UNTIL 8 PM EDT SATURDAY...
.SATURDAY...
Rip Current Risk*...........High.
Surf Height.................5 to 8 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...........In the lower 70s.
Weather.....................Sunny.
High Temperature............In the mid 70s.
Winds.......................Southwest winds 10 to 15 mph.
Tides...
Block Island (Old Harbor)High 3.4 feet (MLLW) 08:24 AM EDT.
Low 0.0 feet (MLLW) 02:26 PM EDT.
.SUNDAY...
Rip Current Risk*...........Moderate.
Surf Height.................4 to 6 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the mid 70s.
Winds.......................South winds 10 to 15 mph.
Tides...
Block Island (Old Harbor)High 3.4 feet (MLLW) 09:06 AM EDT.
Low 0.1 feet (MLLW) 03:05 PM EDT.
.MONDAY...Surf height around 4 feet. Partly sunny. A chance of
showers. Highs in the mid 70s. South winds around 10 mph.
.TUESDAY...Surf height 4 to 5 feet. Sunny. Highs in the lower 70s.
West winds around 15 mph.
.WEDNESDAY...Surf height around 4 feet. Sunny. Highs in the lower
70s. West winds around 10 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
$$
MAZ019-230800-
Eastern Plymouth MA-
Including the beaches of Cohasset, Duxbury, Hingham, Kingston,
Marshfield, Plymouth, and Scituate
413 PM EDT Fri Aug 22 2025
...HIGH SURF ADVISORY IN EFFECT UNTIL 8 PM EDT SATURDAY...
.SATURDAY...
Rip Current Risk*...........High.
Surf Height.................5 to 8 feet.
Thunderstorm Potential**....None.
UV Index**..................High.
Water Temperature...........In the mid 60s.
Weather.....................Sunny.
High Temperature............Around 80.
Winds.......................South winds 10 to 15 mph.
Tides...
Scituate Harbor..........High 9.1 feet (MLLW) 12:14 PM EDT.
Plymouth.................Low 0.0 feet (MLLW) 06:10 AM EDT.
High 9.8 feet (MLLW) 12:19 PM EDT.
.SUNDAY...
Rip Current Risk*...........Moderate.
Surf Height.................4 to 5 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the upper 70s.
Winds.......................South winds 10 to 15 mph.
Tides...
Scituate Harbor..........Low -0.1 feet (MLLW) 06:40 AM EDT.
High 9.2 feet (MLLW) 12:55 PM EDT.
Plymouth.................Low 0.0 feet (MLLW) 06:53 AM EDT.
High 9.9 feet (MLLW) 12:59 PM EDT.
.MONDAY...Surf height around 3 feet. Partly sunny. A chance of
showers. Highs in the mid 70s. Southeast winds around 10 mph.
.TUESDAY...Surf height 2 to 4 feet. Sunny. Highs in the mid 70s. West
winds around 10 mph.
.WEDNESDAY...Surf height 2 to 5 feet. Sunny. Highs in the lower 70s.
West winds around 10 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
MAZ015-016-230800-
Suffolk MA-Eastern Norfolk MA-
Including the beaches of Boston, Chelsea, Revere, Winthrop,
Braintree, Milton, Quincy, and Weymouth
413 PM EDT Fri Aug 22 2025
.SATURDAY...
Rip Current Risk*...........High.
Surf Height.................6 to 8 feet.
Thunderstorm Potential**....None.
UV Index**..................High.
Water Temperature...........In the mid 60s.
Weather.....................Sunny.
High Temperature............In the lower 80s.
Winds.......................South winds 5 to 10 mph.
Tides...
Boston...................High 9.7 feet (MLLW) 12:08 PM EDT.
.SUNDAY...
Rip Current Risk*...........Moderate.
Surf Height.................Around 5 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the upper 70s.
Winds.......................South winds 10 to 15 mph.
Tides...
Boston...................Low 0.0 feet (MLLW) 06:37 AM EDT.
High 9.8 feet (MLLW) 12:51 PM EDT.
.MONDAY...Surf height around 3 feet. Partly sunny. A chance of
showers. Highs in the mid 70s. Southeast winds around 10 mph.
.TUESDAY...Surf height 3 to 4 feet. Sunny. Highs in the mid 70s. West
winds around 10 mph.
.WEDNESDAY...Surf height 3 to 5 feet. Sunny. Highs in the lower 70s.
West winds around 10 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
$$
MAZ007-230800-
Eastern Essex MA-
Including the beaches of Beverly, Gloucester, and Newburyport
413 PM EDT Fri Aug 22 2025
...HIGH SURF ADVISORY IN EFFECT UNTIL 8 PM EDT SATURDAY...
.SATURDAY...
Rip Current Risk*...........High.
Surf Height.................6 to 8 feet.
Thunderstorm Potential**....None.
UV Index**..................High.
Water Temperature...........In the mid 60s.
Weather.....................Sunny.
High Temperature............Around 80.
Winds.......................South winds 5 to 10 mph.
Tides...
Newburyport..............Low -0.2 feet (MLLW) 06:31 AM EDT.
High 7.9 feet (MLLW) 12:26 PM EDT.
Gloucester Harbor........High 9.0 feet (MLLW) 12:13 PM EDT.
.SUNDAY...
Rip Current Risk*...........High.
Surf Height.................5 to 6 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the upper 70s.
Winds.......................South winds 10 to 15 mph.
Tides...
Newburyport..............Low -0.1 feet (MLLW) 07:14 AM EDT.
High 8.1 feet (MLLW) 01:08 PM EDT.
Gloucester Harbor........Low -0.1 feet (MLLW) 06:40 AM EDT.
High 9.1 feet (MLLW) 12:54 PM EDT.
.MONDAY...Surf height around 3 feet. Mostly cloudy. Showers likely
and a slight chance of thunderstorms. Highs in the mid 70s. South
winds around 10 mph.
.TUESDAY...Surf height around 4 feet. Sunny. Highs in the mid 70s.
West winds around 10 mph.
.WEDNESDAY...Surf height 4 to 5 feet. Sunny. Highs in the lower 70s.
West winds around 10 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$