Surf Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
807
FZUS51 KBOX 202011
SRFBOX
Surf Zone Forecast
National Weather Service Boston/Norton MA
410 PM EDT Mon Jul 20 2026
MAZ022-211000-
Barnstable MA-
Including the beaches of Chatham, Eastham, and Provincetown
410 PM EDT Mon Jul 20 2026
...HIGH SURF ADVISORY IN EFFECT FROM 6 AM WEDNESDAY TO 8 PM EDT
THURSDAY...
.REST OF TODAY...
Rip Current Risk*...
East Coast...............Moderate.
Surf Height...
East Coast...............Around 3 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 around 10 mph.
Tides...
Nauset Beach.............High 4.4 feet (MLLW) 04:10 PM EDT.
Hyannisport..............Low 0.4 feet (MLLW) 11:09 AM EDT.
Barnstable Harbor........Low 0.6 feet (MLLW) 11:07 AM EDT.
High 10.0 feet (MLLW) 05:08 PM EDT.
.TUESDAY...
Rip Current Risk*...
East Coast...............Moderate.
Surf Height...
East Coast...............Around 3 feet.
Thunderstorm Potential**....None.
Weather.....................Partly sunny.
High Temperature............In the upper 70s.
Winds.......................South winds 10 to 15 mph.
Tides...
Nauset Beach.............Low 0.5 feet (MLLW) 10:45 AM EDT.
High 4.3 feet (MLLW) 05:01 PM EDT.
Hyannisport..............High 3.3 feet (MLLW) 06:38 AM EDT.
Low 0.6 feet (MLLW) 11:55 AM EDT.
Barnstable Harbor........Low 1.1 feet (MLLW) 11:58 AM EDT.
High 9.7 feet (MLLW) 05:59 PM EDT.
.WEDNESDAY...Surf height 6 to 9 feet. Mostly cloudy. Showers likely
and a chance of thunderstorms. Highs in the mid 70s. South winds
around 20 mph.
.THURSDAY...Surf height 4 to 7 feet. Mostly sunny. A chance of
showers. Highs in the mid 70s. Northwest winds around 10 mph.
.FRIDAY...Surf height 3 to 4 feet. Sunny. Highs in the mid 70s.
Northeast winds around 5 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
$$
MAZ024-211000-
Nantucket MA-
Including the beaches of Nantucket
410 PM EDT Mon Jul 20 2026
...HIGH SURF ADVISORY IN EFFECT FROM 6 AM WEDNESDAY TO 8 PM EDT
THURSDAY...
.REST OF TODAY...
Rip Current Risk*...
East Coast...............High.
South Coast..............High.
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 mid 60s.
South Coast..............In the upper 60s.
Weather.....................Sunny.
High Temperature............In the lower 70s.
Winds.......................South winds around 10 mph.
Tides...
Nantucket................Low 0.3 feet (MLLW) 11:21 AM EDT.
Great Point..............Low 0.2 feet (MLLW) 11:05 AM EDT.
High 3.2 feet (MLLW) 05:40 PM EDT.
.TUESDAY...
Rip Current Risk*...
East Coast...............Moderate.
South Coast..............Moderate.
Surf Height...
East Coast...............Around 3 feet.
South Coast..............3 to 4 feet.
Thunderstorm Potential**....None.
Weather.....................Partly sunny. A slight chance of
showers.
High Temperature............In the upper 70s.
Winds.......................Southeast winds 10 to 15 mph.
Tides...
Nantucket................High 3.0 feet (MLLW) 06:37 AM EDT.
Low 0.5 feet (MLLW) 12:10 PM EDT.
Great Point..............High 2.9 feet (MLLW) 06:06 AM EDT.
Low 0.4 feet (MLLW) 11:56 AM EDT.
.WEDNESDAY...Surf height 8 to 11 feet. Cloudy. Showers and a chance
of thunderstorms. Highs in the upper 70s. Breezy. Southwest winds
around 25 mph.
.THURSDAY...Surf height 6 to 9 feet. Partly sunny. Showers likely and
a slight chance of thunderstorms. Highs in the mid 70s. Northwest
winds around 15 mph.
.FRIDAY...Surf height around 4 feet. Mostly sunny. A slight chance of
showers. Highs in the mid 70s. Northeast 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
$$
MAZ023-211000-
Dukes MA-
Including the beaches of Edgartown and Aquinnah
410 PM EDT Mon Jul 20 2026
...HIGH SURF ADVISORY IN EFFECT FROM 6 AM WEDNESDAY TO 8 PM EDT
THURSDAY...
.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.....................Sunny.
High Temperature............In the mid 70s.
Winds.......................South winds around 10 mph.
Tides...
Squibnocket Point........High 3.2 feet (MLLW) 12:45 PM EDT.
.TUESDAY...
Rip Current Risk*...........Moderate.
Surf Height.................3 to 4 feet.
Thunderstorm Potential**....None.
Weather.....................Partly sunny. A chance of showers.
High Temperature............In the upper 70s.
Winds.......................Southeast winds 10 to 15 mph.
Tides...
Squibnocket Point........Low 0.5 feet (MLLW) 06:56 AM EDT.
High 3.1 feet (MLLW) 01:36 PM EDT.
.WEDNESDAY...Surf height 9 to 11 feet. Mostly cloudy. Showers likely
and a chance of thunderstorms. Highs in the upper 70s. Breezy.
Southwest winds around 25 mph.
.THURSDAY...Surf height 5 to 8 feet. Mostly sunny. A chance of
showers. Highs in the mid 70s. West winds around 10 mph.
.FRIDAY...Surf height around 4 feet. Sunny. Highs in the mid 70s.
East 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
$$
MAZ020-211000-
Southern Bristol MA-
Including the beaches of Westport, Dartmouth, and New Bedford
410 PM EDT Mon Jul 20 2026
...HIGH SURF ADVISORY IN EFFECT FROM 6 AM WEDNESDAY TO 8 PM EDT
THURSDAY...
.REST OF TODAY...
Rip Current Risk*...........Moderate.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...........In the upper 60s.
Weather.....................Sunny.
High Temperature............In the mid 70s.
Winds.......................Southwest winds around 10 mph.
Tides...
Westport Harbor..........High 3.3 feet (MLLW) 01:39 PM EDT.
.TUESDAY...
Rip Current Risk*...........Moderate.
Surf Height.................3 to 4 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly cloudy. A chance of showers.
High Temperature............In the upper 70s.
Winds.......................Southeast winds 10 to 15 mph.
Tides...
Westport Harbor..........Low 0.5 feet (MLLW) 07:31 AM EDT.
High 3.2 feet (MLLW) 02:30 PM EDT.
.WEDNESDAY...Surf height 8 to 10 feet. Mostly cloudy. Showers and a
chance of thunderstorms. Highs in the upper 70s. Southwest winds
around 20 mph.
.THURSDAY...Surf height 5 to 7 feet. Mostly sunny. A chance of
showers. Highs in the upper 70s. West winds around 10 mph.
.FRIDAY...Surf height around 4 feet. Sunny. Highs in the mid 70s.
East winds around 5 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
RIZ007-211000-
Newport RI-
Including the beaches of Newport, Middletown, and Little Compton
410 PM EDT Mon Jul 20 2026
...HIGH SURF ADVISORY IN EFFECT FROM 6 AM WEDNESDAY TO 8 PM EDT
THURSDAY...
.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.....................Sunny.
High Temperature............In the mid 70s.
Winds.......................South winds around 10 mph.
Tides...
Newport..................High 3.9 feet (MLLW) 01:30 PM EDT.
.TUESDAY...
Rip Current Risk*...........Moderate.
Surf Height.................3 to 4 feet.
Thunderstorm Potential**....Moderate.
Weather.....................Mostly cloudy. A chance of showers and
thunderstorms.
High Temperature............In the mid 70s.
Winds.......................Southeast winds 10 to 15 mph.
Tides...
Newport..................Low 0.6 feet (MLLW) 06:58 AM EDT.
High 3.7 feet (MLLW) 02:21 PM EDT.
.WEDNESDAY...Surf height 8 to 11 feet. Mostly cloudy. Showers and a
chance of thunderstorms. Highs in the mid 70s. Southwest winds around
20 mph.
.THURSDAY...Surf height 5 to 7 feet. Sunny. A chance of showers.
Highs in the mid 70s. Northwest winds around 10 mph.
.FRIDAY...Surf height around 4 feet. Sunny. Highs in the mid 70s.
East winds around 5 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
$$
RIZ006-211000-
Washington RI-
Including the beaches of Narragansett, Charlestown, and Westerly
410 PM EDT Mon Jul 20 2026
...HIGH SURF ADVISORY IN EFFECT FROM 6 AM WEDNESDAY TO 8 PM EDT
THURSDAY...
.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.....................Sunny.
High Temperature............In the mid 70s.
Winds.......................South winds around 10 mph.
Tides...
Watch Hill Point.........High 2.9 feet (MLLW) 02:11 PM EDT.
Point Judith (Harbor)....High 3.3 feet (MLLW) 01:37 PM EDT.
Narragansett Pier........High 3.6 feet (MLLW) 01:19 PM EDT.
.TUESDAY...
Rip Current Risk*...........Moderate.
Surf Height.................3 to 4 feet.
Thunderstorm Potential**....Moderate.
Weather.....................Partly sunny until 5 PM, then cloudy.
Showers likely and a chance of
thunderstorms.
High Temperature............In the mid 70s.
Winds.......................Southeast winds 10 to 15 mph.
Tides...
Watch Hill Point.........Low 0.4 feet (MLLW) 08:14 AM EDT.
High 2.8 feet (MLLW) 03:02 PM EDT.
Point Judith (Harbor)....Low 0.4 feet (MLLW) 07:57 AM EDT.
High 3.2 feet (MLLW) 02:29 PM EDT.
Narragansett Pier........Low 0.5 feet (MLLW) 07:09 AM EDT.
High 3.4 feet (MLLW) 02:10 PM EDT.
.WEDNESDAY...Surf height 7 to 11 feet. Mostly cloudy. Showers likely
and a chance of thunderstorms. Highs in the upper 70s. Southwest
winds around 15 mph.
.THURSDAY...Surf height 5 to 7 feet. Sunny. Highs in the upper 70s.
Northwest winds around 5 mph.
.FRIDAY...Surf height around 4 feet. Sunny. Highs in the mid 70s.
East winds around 5 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
$$
RIZ008-211000-
Block Island RI-
Including the beaches of Block Island
410 PM EDT Mon Jul 20 2026
...HIGH SURF ADVISORY IN EFFECT FROM 6 AM WEDNESDAY TO 8 PM EDT
THURSDAY...
.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.....................Sunny.
High Temperature............In the lower 70s.
Winds.......................South winds around 10 mph.
Tides...
Block Island (Old Harbor)High 3.2 feet (MLLW) 01:15 PM EDT.
.TUESDAY...
Rip Current Risk*...........Moderate.
Surf Height.................3 to 5 feet.
Thunderstorm Potential**....Moderate.
Weather.....................Mostly cloudy until 8 AM, then partly
sunny. Showers likely and a chance of
thunderstorms.
High Temperature............In the mid 70s.
Winds.......................Southeast winds 10 to 15 mph.
Tides...
Block Island (Old Harbor)Low 0.4 feet (MLLW) 07:14 AM EDT.
High 3.0 feet (MLLW) 02:07 PM EDT.
.WEDNESDAY...Surf height 8 to 11 feet. Mostly cloudy. Showers and a
chance of thunderstorms. Highs in the mid 70s. Southwest winds around
20 mph.
.THURSDAY...Surf height 5 to 7 feet. Sunny. A chance of showers.
Highs in the lower 70s. West winds around 10 mph.
.FRIDAY...Surf height around 4 feet. Sunny. Highs in the lower 70s.
East winds around 5 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
$$
MAZ019-211000-
Eastern Plymouth MA-
Including the beaches of Cohasset, Duxbury, Hingham, Kingston,
Marshfield, Plymouth, and Scituate
410 PM EDT Mon Jul 20 2026
.REST OF TODAY...
Rip Current Risk*...........Low.
Surf Height.................Around 2 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...........In the mid 60s.
Weather.....................Sunny.
High Temperature............In the mid 70s.
Winds.......................South winds around 10 mph.
Tides...
Scituate Harbor..........High 9.6 feet (MLLW) 04:57 PM EDT.
Plymouth.................High 10.3 feet (MLLW) 05:00 PM EDT.
.TUESDAY...
Rip Current Risk*...........Low.
Surf Height.................2 to 3 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly cloudy. A slight chance of
showers.
High Temperature............In the upper 70s.
Winds.......................Southeast winds 10 to 15 mph.
Tides...
Scituate Harbor..........Low 0.7 feet (MLLW) 11:26 AM EDT.
High 9.3 feet (MLLW) 05:50 PM EDT.
Plymouth.................Low 0.9 feet (MLLW) 11:43 AM EDT.
High 10.1 feet (MLLW) 05:51 PM EDT.
.WEDNESDAY...Surf height 3 to 6 feet. Mostly cloudy. Showers likely
and a chance of thunderstorms. Highs in the lower 80s. Southwest
winds around 15 mph.
.THURSDAY...Surf height 2 to 4 feet. Sunny. Highs in the upper 70s.
Northwest winds around 5 mph.
.FRIDAY...Surf height 2 to 3 feet. Sunny. Highs in the mid 70s.
Northeast winds around 5 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
MAZ015-016-211000-
Suffolk MA-Eastern Norfolk MA-
Including the beaches of Boston, Chelsea, Revere, Winthrop,
Braintree, Milton, Quincy, and Weymouth
410 PM EDT Mon Jul 20 2026
.REST OF TODAY...
Rip Current Risk*...........Low.
Surf Height.................Around 2 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...........In the lower 60s.
Weather.....................Sunny.
High Temperature............In the upper 70s.
Winds.......................Southeast winds around 10 mph.
Tides...
Boston...................High 10.0 feet (MLLW) 04:57 PM EDT.
.TUESDAY...
Rip Current Risk*...........Low.
Surf Height.................2 to 3 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly cloudy. A slight chance of
showers.
High Temperature............In the upper 70s.
Winds.......................Southeast winds 10 to 15 mph.
Tides...
Boston...................Low 1.1 feet (MLLW) 11:28 AM EDT.
High 9.7 feet (MLLW) 05:48 PM EDT.
.WEDNESDAY...Surf height 3 to 5 feet. Mostly cloudy. Showers likely
and a chance of thunderstorms. Highs in the lower 80s. Southwest
winds around 15 mph.
.THURSDAY...Surf height 2 to 4 feet. Sunny. Highs in the upper 70s.
Northwest winds around 10 mph.
.FRIDAY...Surf height around 2 feet. Sunny. Highs in the mid 70s.
Northeast winds around 5 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
$$
MAZ007-211000-
Eastern Essex MA-
Including the beaches of Beverly, Gloucester, and Newburyport
410 PM EDT Mon Jul 20 2026
.REST OF TODAY...
Rip Current Risk*...........Low.
Surf Height.................Around 2 feet.
Thunderstorm Potential**....None.
UV Index**..................Very High.
Water Temperature...........In the lower 60s.
Weather.....................Sunny.
High Temperature............In the mid 70s.
Winds.......................Southeast winds around 10 mph.
Tides...
Newburyport..............Low 0.1 feet (MLLW) 11:11 AM EDT.
High 8.6 feet (MLLW) 05:12 PM EDT.
Gloucester Harbor........High 9.5 feet (MLLW) 04:56 PM EDT.
.TUESDAY...
Rip Current Risk*...........Moderate.
Surf Height.................2 to 3 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly cloudy.
High Temperature............In the mid 70s.
Winds.......................Southeast winds 10 to 15 mph.
Tides...
Newburyport..............Low 0.5 feet (MLLW) 12:02 PM EDT.
Gloucester Harbor........Low 0.7 feet (MLLW) 11:24 AM EDT.
High 9.3 feet (MLLW) 05:49 PM EDT.
.WEDNESDAY...Surf height 4 to 6 feet. Mostly cloudy. Showers likely
and a chance of thunderstorms. Highs in the lower 80s. South winds
around 15 mph.
.THURSDAY...Surf height 2 to 5 feet. Sunny. Highs in the upper 70s.
West winds around 5 mph.
.FRIDAY...Surf height around 3 feet. Sunny. Highs in the mid 70s.
East winds around 5 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$