Surf Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
239
FZUS51 KBOX 211856
SRFBOX
Surf Zone Forecast
National Weather Service Boston/Norton MA
256 PM EDT Fri Aug 21 2026
MAZ022-220815-
Barnstable MA-
Including the beaches of Chatham, Eastham, and Provincetown
256 PM EDT Fri Aug 21 2026
...HIGH RIP CURRENT RISK IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
.REST OF TODAY...
Rip Current Risk*...
East Coast...............High.
Surf Height...
East Coast...............Around 3 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...
East Coast...............In the upper 60s.
Weather.....................Cloudy. Patchy fog. A chance of
showers.
High Temperature............Around 70.
Winds.......................Northeast winds around 10 mph.
Tides...
Nauset Beach.............Low 1.0 feet (MLLW) 11:51 AM EDT.
Hyannisport..............Low 1.1 feet (MLLW) 12:50 PM EDT.
Barnstable Harbor........Low 2.3 feet (MLLW) 01:04 PM EDT.
.SATURDAY...
Rip Current Risk*...
East Coast...............High.
Surf Height...
East Coast...............3 to 4 feet.
Thunderstorm Potential**....None.
Weather.....................Cloudy. A chance of showers.
High Temperature............In the lower 70s.
Winds.......................Northeast winds 10 to 15 mph.
Tides...
Nauset Beach.............High 3.5 feet (MLLW) 06:53 AM EDT.
Low 1.1 feet (MLLW) 12:46 PM EDT.
Hyannisport..............High 2.7 feet (MLLW) 08:55 AM EDT.
Low 1.1 feet (MLLW) 01:40 PM EDT.
Barnstable Harbor........High 7.9 feet (MLLW) 07:51 AM EDT.
Low 2.4 feet (MLLW) 01:59 PM EDT.
.SUNDAY...Surf height around 3 feet. Mostly cloudy. Patchy fog.
Showers likely and a slight chance of thunderstorms. Highs in the
lower 70s. Southeast winds around 10 mph.
.MONDAY...Surf height 3 to 5 feet. Sunny. Highs in the mid 70s.
Southwest winds around 10 mph.
.TUESDAY...Surf height around 3 feet. Sunny. Highs in the mid 70s.
Southwest 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
$$
MAZ024-220815-
Nantucket MA-
Including the beaches of Nantucket
256 PM EDT Fri Aug 21 2026
.REST OF TODAY...
Rip Current Risk*...
East Coast...............High.
South Coast..............Moderate.
Surf Height...
East Coast...............Around 3 feet.
South Coast..............Around 3 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...
East Coast...............In the upper 60s.
South Coast..............In the lower 70s.
Weather.....................Cloudy. Patchy fog. Showers likely.
High Temperature............In the lower 70s.
Winds.......................Northeast winds around 20 mph.
Tides...
Nantucket................Low 1.0 feet (MLLW) 01:13 PM EDT.
Great Point..............Low 0.7 feet (MLLW) 01:02 PM EDT.
.SATURDAY...
Rip Current Risk*...
East Coast...............Moderate.
South Coast..............Moderate.
Surf Height...
East Coast...............Around 3 feet.
South Coast..............Around 3 feet.
Thunderstorm Potential**....None.
Weather.....................Cloudy. A slight chance of showers.
High Temperature............In the mid 70s.
Winds.......................Northeast winds 10 to 15 mph.
Tides...
Nantucket................High 2.5 feet (MLLW) 08:48 AM EDT.
Low 1.0 feet (MLLW) 02:07 PM EDT.
Great Point..............High 2.5 feet (MLLW) 08:23 AM EDT.
Low 0.8 feet (MLLW) 01:57 PM EDT.
.SUNDAY...Surf height around 3 feet. Mostly cloudy. Patchy fog.
Showers and a slight chance of thunderstorms. Highs in the mid 70s.
South winds around 10 mph.
.MONDAY...Surf height 4 to 6 feet. Sunny. Highs in the mid 70s.
Southwest winds around 10 mph.
.TUESDAY...Surf height 3 to 4 feet. Sunny. Highs in the mid 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
$$
MAZ023-220815-
Dukes MA-
Including the beaches of Edgartown and Aquinnah
256 PM EDT Fri Aug 21 2026
.REST OF TODAY...
Rip Current Risk*...........Moderate.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...........In the lower 70s.
Weather.....................Cloudy. Patchy fog. Showers likely.
High Temperature............In the lower 70s.
Winds.......................Northeast winds around 20 mph.
Tides...
Squibnocket Point........High 2.6 feet (MLLW) 02:45 PM EDT.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
Weather.....................Cloudy. A chance of showers.
High Temperature............In the mid 70s.
Winds.......................North winds 10 to 15 mph.
Tides...
Squibnocket Point........Low 0.8 feet (MLLW) 09:12 AM EDT.
High 2.5 feet (MLLW) 03:49 PM EDT.
.SUNDAY...Surf height around 3 feet. Mostly cloudy. Patchy fog.
Showers likely and a slight chance of thunderstorms. Highs in the mid
70s. South winds around 10 mph.
.MONDAY...Surf height 5 to 6 feet. Sunny. Highs in the mid 70s.
Southwest winds around 10 mph.
.TUESDAY...Surf height around 3 feet. Sunny. Highs in the mid 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
$$
MAZ020-220815-
Southern Bristol MA-
Including the beaches of Westport, Dartmouth, and New Bedford
256 PM EDT Fri Aug 21 2026
.REST OF TODAY...
Rip Current Risk*...........Low.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...........In the lower 70s.
Weather.....................Cloudy. A chance of showers.
High Temperature............In the lower 70s.
Winds.......................Northeast winds around 15 mph.
Tides...
Westport Harbor..........High 2.7 feet (MLLW) 03:39 PM EDT.
.SATURDAY...
Rip Current Risk*...........Low.
Surf Height.................2 to 3 feet.
Thunderstorm Potential**....None.
Weather.....................Cloudy. A chance of showers.
High Temperature............In the mid 70s.
Winds.......................North winds 10 to 15 mph.
Tides...
Westport Harbor..........Low 0.8 feet (MLLW) 09:47 AM EDT.
High 2.6 feet (MLLW) 04:43 PM EDT.
.SUNDAY...Surf height around 3 feet. Mostly cloudy. Patchy fog.
Showers likely and a slight chance of thunderstorms. Highs in the mid
70s. Southeast winds around 10 mph.
.MONDAY...Surf height 4 to 5 feet. Sunny. Highs in the upper 70s.
Southwest winds around 10 mph.
.TUESDAY...Surf height around 3 feet. Sunny. Highs in the mid 70s.
West winds around 15 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
RIZ007-220815-
Newport RI-
Including the beaches of Newport, Middletown, and Little Compton
256 PM EDT Fri Aug 21 2026
.REST OF TODAY...
Rip Current Risk*...........Moderate.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...........In the lower 70s.
Weather.....................Cloudy. A chance of showers.
High Temperature............In the lower 70s.
Winds.......................Northeast winds around 15 mph.
Tides...
Newport..................High 3.2 feet (MLLW) 03:30 PM EDT.
.SATURDAY...
Rip Current Risk*...........Low.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
Weather.....................Cloudy. A chance of showers.
High Temperature............In the lower 70s.
Winds.......................North winds 10 to 15 mph.
Tides...
Newport..................Low 0.9 feet (MLLW) 09:14 AM EDT.
High 3.1 feet (MLLW) 04:34 PM EDT.
.SUNDAY...Surf height around 3 feet. Mostly cloudy. Patchy fog.
Showers likely and a slight chance of thunderstorms. Highs in the mid
70s. Southeast winds around 10 mph.
.MONDAY...Surf height 4 to 6 feet. Sunny. Highs in the mid 70s.
Southwest winds around 10 mph.
.TUESDAY...Surf height around 3 feet. Sunny. Highs in the mid 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
$$
RIZ006-220815-
Washington RI-
Including the beaches of Narragansett, Charlestown, and Westerly
256 PM EDT Fri Aug 21 2026
.REST OF TODAY...
Rip Current Risk*...........Moderate.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...........In the lower 70s.
Weather.....................Cloudy. A chance of showers.
High Temperature............In the lower 70s.
Winds.......................Northeast winds around 15 mph.
Tides...
Watch Hill Point.........High 2.3 feet (MLLW) 04:11 PM EDT.
Point Judith (Harbor)....High 3.0 feet (MLLW) 03:24 PM EDT.
Narragansett Pier........High 2.9 feet (MLLW) 03:19 PM EDT.
.SATURDAY...
Rip Current Risk*...........Low.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
Weather.....................Cloudy. A chance of showers.
High Temperature............In the lower 70s.
Winds.......................Northeast winds 10 to 15 mph.
Tides...
Watch Hill Point.........Low 0.7 feet (MLLW) 10:30 AM EDT.
High 2.3 feet (MLLW) 05:15 PM EDT.
Point Judith (Harbor)....Low 0.9 feet (MLLW) 09:23 AM EDT.
High 2.9 feet (MLLW) 04:21 PM EDT.
Narragansett Pier........Low 0.9 feet (MLLW) 09:25 AM EDT.
High 2.8 feet (MLLW) 04:23 PM EDT.
.SUNDAY...Surf height around 3 feet. Mostly cloudy. Patchy fog. A
chance of showers and a slight chance of thunderstorms. Highs in the
mid 70s. Southeast winds around 5 mph.
.MONDAY...Surf height 4 to 5 feet. Sunny. Highs in the upper 70s.
Southwest winds around 10 mph.
.TUESDAY...Surf height around 3 feet. Sunny. Highs in the mid 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
$$
RIZ008-220815-
Block Island RI-
Including the beaches of Block Island
256 PM EDT Fri Aug 21 2026
.REST OF TODAY...
Rip Current Risk*...........High.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...........In the mid 70s.
Weather.....................Cloudy. A chance of showers.
High Temperature............In the lower 70s.
Winds.......................Northeast winds around 20 mph.
Tides...
Block Island (Old Harbor)High 2.6 feet (MLLW) 03:23 PM EDT.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
Weather.....................Cloudy. A chance of showers.
High Temperature............In the lower 70s.
Winds.......................Northeast winds 10 to 15 mph.
Tides...
Block Island (Old Harbor)Low 0.9 feet (MLLW) 09:04 AM EDT.
High 2.7 feet (MLLW) 04:38 PM EDT.
.SUNDAY...Surf height around 3 feet. Mostly cloudy. Patchy fog.
Showers likely and a slight chance of thunderstorms. Highs in the mid
70s. Southeast winds around 10 mph.
.MONDAY...Surf height 4 to 6 feet. Sunny. Highs in the mid 70s.
Southwest winds around 10 mph.
.TUESDAY...Surf height around 3 feet. Sunny. Highs in the mid 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
$$
MAZ019-220815-
Eastern Plymouth MA-
Including the beaches of Cohasset, Duxbury, Hingham, Kingston,
Marshfield, Plymouth, and Scituate
256 PM EDT Fri Aug 21 2026
...HIGH RIP CURRENT RISK IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...
.REST OF TODAY...
Rip Current Risk*...........Moderate.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...........In the upper 60s.
Weather.....................Cloudy. A chance of showers.
High Temperature............Around 70.
Winds.......................Northeast winds around 10 mph.
Tides...
Scituate Harbor..........Low 2.0 feet (MLLW) 12:34 PM EDT.
Plymouth.................Low 2.2 feet (MLLW) 12:53 PM EDT.
.SATURDAY...
Rip Current Risk*...........High.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
Weather.....................Cloudy. A chance of showers.
High Temperature............In the lower 70s.
Winds.......................Northeast winds 10 to 15 mph.
Tides...
Scituate Harbor..........High 7.4 feet (MLLW) 07:43 AM EDT.
Low 2.1 feet (MLLW) 01:31 PM EDT.
Plymouth.................High 7.9 feet (MLLW) 07:38 AM EDT.
Low 2.4 feet (MLLW) 01:50 PM EDT.
.SUNDAY...Surf height around 2 feet. Mostly cloudy. Patchy fog. A
chance of showers and a slight chance of thunderstorms. Highs in the
mid 70s. East winds around 5 mph.
.MONDAY...Surf height 2 to 3 feet. Sunny. Highs in the upper 70s.
Southwest winds around 10 mph.
.TUESDAY...Surf height around 2 feet. Sunny. Highs in the upper 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
$$
MAZ015-016-220815-
Suffolk MA-Eastern Norfolk MA-
Including the beaches of Boston, Chelsea, Revere, Winthrop,
Braintree, Milton, Quincy, and Weymouth
256 PM EDT Fri Aug 21 2026
.REST OF TODAY...
Rip Current Risk*...........Low.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...........In the upper 60s.
Weather.....................Mostly cloudy. A slight chance of
showers.
High Temperature............In the lower 70s.
Winds.......................Northeast winds around 10 mph.
Tides...
Boston...................Low 2.3 feet (MLLW) 12:34 PM EDT.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
Weather.....................Cloudy. A chance of showers.
High Temperature............Around 70.
Winds.......................Northeast winds 10 to 15 mph.
Tides...
Boston...................High 7.9 feet (MLLW) 07:40 AM EDT.
Low 2.4 feet (MLLW) 01:29 PM EDT.
.SUNDAY...Surf height around 2 feet. Mostly cloudy. Patchy fog. A
chance of showers and a slight chance of thunderstorms. Highs in the
mid 70s. East winds around 5 mph.
.MONDAY...Surf height around 2 feet. Sunny. Highs around 80.
Southwest winds around 10 mph.
.TUESDAY...Surf height around 2 feet. Sunny. Highs in the upper 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
$$
MAZ007-220815-
Eastern Essex MA-
Including the beaches of Beverly, Gloucester, and Newburyport
256 PM EDT Fri Aug 21 2026
.REST OF TODAY...
Rip Current Risk*...........Low.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...........In the upper 60s.
Weather.....................Mostly cloudy.
High Temperature............In the lower 70s.
Winds.......................Northeast winds around 10 mph.
Tides...
Newburyport..............Low 1.5 feet (MLLW) 01:12 PM EDT.
Gloucester Harbor........Low 2.0 feet (MLLW) 12:31 PM EDT.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly cloudy. A chance of showers.
High Temperature............In the lower 70s.
Winds.......................Northeast winds 10 to 15 mph.
Tides...
Newburyport..............High 6.7 feet (MLLW) 07:43 AM EDT.
Low 1.6 feet (MLLW) 02:08 PM EDT.
Gloucester Harbor........High 7.3 feet (MLLW) 07:41 AM EDT.
Low 2.2 feet (MLLW) 01:29 PM EDT.
.SUNDAY...Surf height 2 to 3 feet. Mostly cloudy. Patchy fog. A
chance of showers and a slight chance of thunderstorms. Highs in the
mid 70s. East winds around 5 mph.
.MONDAY...Surf height around 3 feet. Sunny. Highs in the upper 70s.
Southwest winds around 5 mph.
.TUESDAY...Surf height 2 to 3 feet. Sunny. Highs in the upper 70s.
West winds around 10 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$