Surf Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
649
FZUS51 KBOX 180808
SRFBOX
Surf Zone Forecast
National Weather Service Boston/Norton MA
408 AM EDT Fri Sep 18 2026
MAZ022-182200-
Barnstable MA-
Including the beaches of Chatham, Eastham, and Provincetown
408 AM EDT Fri Sep 18 2026
...HIGH RIP CURRENT RISK IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...
.TODAY...
Rip Current Risk*...
East Coast...............Moderate.
Surf Height...
East Coast...............Around 3 feet.
Thunderstorm Potential**....None.
UV Index**..................High.
Water Temperature...
East Coast...............In the mid 60s.
Weather.....................Mostly cloudy until 10 AM, then mostly
sunny. Patchy fog.
High Temperature............Around 70.
Winds.......................Northwest winds around 10 mph, becoming
north in the afternoon.
Tides...
Nauset Beach.............Low 1.0 feet (MLLW) 10:18 AM EDT.
High 4.0 feet (MLLW) 04:29 PM EDT.
Hyannisport..............High 2.8 feet (MLLW) 06:32 AM EDT.
Low 1.1 feet (MLLW) 11:26 AM EDT.
Barnstable Harbor........Low 2.3 feet (MLLW) 11:31 AM EDT.
High 9.1 feet (MLLW) 05:27 PM EDT.
.SATURDAY...
Rip Current Risk*...
East Coast...............High.
Surf Height...
East Coast...............4 to 5 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly cloudy until 9 AM, then mostly
sunny.
High Temperature............In the lower 60s.
Winds.......................Northeast winds 10 to 15 mph.
Tides...
Nauset Beach.............Low 1.1 feet (MLLW) 11:13 AM EDT.
High 3.9 feet (MLLW) 05:26 PM EDT.
Hyannisport..............High 2.7 feet (MLLW) 07:24 AM EDT.
Low 1.1 feet (MLLW) 12:15 PM EDT.
Barnstable Harbor........High 7.9 feet (MLLW) 06:14 AM EDT.
Low 2.5 feet (MLLW) 12:26 PM EDT.
.SUNDAY...Surf height 2 to 3 feet. Mostly cloudy. A chance of
showers. Highs in the mid 60s. Southeast winds around 10 mph.
.MONDAY...Surf height 2 to 4 feet. Partly sunny. A chance of showers.
Highs in the mid 60s. Northeast winds around 15 mph.
.TUESDAY...Surf height 4 to 5 feet. Mostly cloudy. A chance of
showers. Highs in the lower 60s. Northeast 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
$$
MAZ024-182200-
Nantucket MA-
Including the beaches of Nantucket
408 AM EDT Fri Sep 18 2026
.TODAY...
Rip Current Risk*...
East Coast...............Low.
South Coast..............Low.
Surf Height...
East Coast...............Around 3 feet.
South Coast..............Around 3 feet.
Thunderstorm Potential**....None.
UV Index**..................High.
Water Temperature...
East Coast...............In the lower 60s.
South Coast..............In the mid 60s.
Weather.....................Mostly cloudy until 11 AM, then mostly
sunny. A chance of showers.
High Temperature............In the lower 70s.
Winds.......................West winds around 15 mph, becoming
north in the afternoon.
Tides...
Nantucket................High 2.7 feet (MLLW) 06:21 AM EDT.
Low 1.0 feet (MLLW) 11:45 AM EDT.
Great Point..............Low 0.7 feet (MLLW) 11:29 AM EDT.
High 2.9 feet (MLLW) 05:59 PM EDT.
.SATURDAY...
Rip Current Risk*...
East Coast...............High.
South Coast..............High.
Surf Height...
East Coast...............4 to 5 feet.
South Coast..............2 to 5 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the mid 60s.
Winds.......................Northeast winds 10 to 15 mph.
Tides...
Nantucket................High 2.6 feet (MLLW) 07:13 AM EDT.
Low 1.0 feet (MLLW) 12:37 PM EDT.
Great Point..............High 2.5 feet (MLLW) 06:46 AM EDT.
Low 0.8 feet (MLLW) 12:24 PM EDT.
.SUNDAY...Surf height 2 to 3 feet. Mostly cloudy. A chance of
showers. Highs in the upper 60s. Southeast winds around 10 mph.
.MONDAY...Surf height 3 to 5 feet. Mostly cloudy. Patchy fog. Showers
likely and a slight chance of thunderstorms. Highs in the mid 60s.
Northeast winds around 15 mph.
.TUESDAY...Surf height 5 to 6 feet. Mostly cloudy. A chance of
showers. Highs in the mid 60s. Breezy. Northeast 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
$$
MAZ023-182200-
Dukes MA-
Including the beaches of Edgartown and Aquinnah
408 AM EDT Fri Sep 18 2026
.TODAY...
Rip Current Risk*...........Low.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
UV Index**..................High.
Water Temperature...........In the upper 60s.
Weather.....................Mostly cloudy until 10 AM, then mostly
sunny.
High Temperature............In the mid 70s.
Winds.......................West winds around 10 mph, becoming
north in the afternoon.
Tides...
Squibnocket Point........Low 0.7 feet (MLLW) 06:13 AM EDT.
High 2.6 feet (MLLW) 01:09 PM EDT.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................2 to 4 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the mid 60s.
Winds.......................Northeast winds 10 to 15 mph.
Tides...
Squibnocket Point........Low 0.8 feet (MLLW) 07:18 AM EDT.
High 2.5 feet (MLLW) 02:02 PM EDT.
.SUNDAY...Surf height around 2 feet. Mostly cloudy. A chance of
showers. Highs in the upper 60s. Southeast winds around 10 mph.
.MONDAY...Surf height 3 to 5 feet. Mostly cloudy. Patchy fog. A
chance of showers and a slight chance of thunderstorms. Highs in the
mid 60s. Northeast winds around 15 mph.
.TUESDAY...Surf height 4 to 7 feet. Mostly cloudy. A chance of
showers. Highs in the mid 60s. Breezy. Northeast 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
$$
MAZ020-182200-
Southern Bristol MA-
Including the beaches of Westport, Dartmouth, and New Bedford
408 AM EDT Fri Sep 18 2026
.TODAY...
Rip Current Risk*...........Low.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
UV Index**..................High.
Water Temperature...........In the upper 60s.
Weather.....................Mostly cloudy until 9 AM, then mostly
sunny.
High Temperature............In the upper 70s.
Winds.......................Northwest winds 5 to 10 mph.
Tides...
Westport Harbor..........Low 0.7 feet (MLLW) 06:48 AM EDT.
High 2.7 feet (MLLW) 02:03 PM EDT.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................2 to 3 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the mid 60s.
Winds.......................Northeast winds around 10 mph.
Tides...
Westport Harbor..........Low 0.9 feet (MLLW) 07:53 AM EDT.
High 2.5 feet (MLLW) 02:56 PM EDT.
.SUNDAY...Surf height around 2 feet. Mostly cloudy. Showers likely.
Highs in the upper 60s. Southeast winds around 10 mph.
.MONDAY...Surf height 4 to 5 feet. Partly sunny. A chance of showers
with isolated thunderstorms. Highs in the mid 60s. Northeast winds
around 15 mph.
.TUESDAY...Surf height 4 to 7 feet. Mostly cloudy. A chance of
showers. Highs in the lower 60s. Northeast winds around 20 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
RIZ007-182200-
Newport RI-
Including the beaches of Newport, Middletown, and Little Compton
408 AM EDT Fri Sep 18 2026
.TODAY...
Rip Current Risk*...........Low.
Surf Height.................Around 3 feet.
Thunderstorm Potential**....None.
UV Index**..................High.
Water Temperature...........Around 70.
Weather.....................Mostly cloudy until 9 AM, then mostly
sunny.
High Temperature............In the upper 70s.
Winds.......................Northwest winds 5 to 10 mph.
Tides...
Newport..................Low 0.9 feet (MLLW) 06:15 AM EDT.
High 3.1 feet (MLLW) 01:54 PM EDT.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................2 to 4 feet.
Thunderstorm Potential**....None.
Weather.....................Partly sunny until 10 AM, then mostly
sunny.
High Temperature............In the mid 60s.
Winds.......................Northeast winds around 10 mph.
Tides...
Newport..................Low 1.0 feet (MLLW) 07:20 AM EDT.
High 3.0 feet (MLLW) 02:47 PM EDT.
.SUNDAY...Surf height 2 to 3 feet. Mostly cloudy. Showers likely.
Highs in the mid 60s. Southeast winds around 10 mph.
.MONDAY...Surf height 4 to 5 feet. Mostly cloudy. A chance of showers
with isolated thunderstorms. Highs in the mid 60s. Northeast winds
around 15 mph.
.TUESDAY...Surf height 4 to 7 feet. Mostly cloudy. A chance of
showers. Highs in the lower 60s. Northeast 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
$$
RIZ006-182200-
Washington RI-
Including the beaches of Narragansett, Charlestown, and Westerly
408 AM EDT Fri Sep 18 2026
.TODAY...
Rip Current Risk*...........Low.
Surf Height.................3 to 4 feet.
Thunderstorm Potential**....None.
UV Index**..................High.
Water Temperature...........In the lower 70s.
Weather.....................Partly sunny until 11 AM, then sunny.
High Temperature............In the upper 70s.
Winds.......................Northwest winds around 5 mph.
Tides...
Watch Hill Point.........Low 0.6 feet (MLLW) 07:31 AM EDT.
High 2.3 feet (MLLW) 02:35 PM EDT.
Point Judith (Harbor)....Low 0.8 feet (MLLW) 06:35 AM EDT.
High 2.9 feet (MLLW) 01:46 PM EDT.
Narragansett Pier........Low 0.8 feet (MLLW) 06:26 AM EDT.
High 2.8 feet (MLLW) 01:43 PM EDT.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................3 to 4 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the mid 60s.
Winds.......................Northeast winds 5 to 10 mph.
Tides...
Watch Hill Point.........Low 0.7 feet (MLLW) 08:36 AM EDT.
High 2.2 feet (MLLW) 03:28 PM EDT.
Point Judith (Harbor)....Low 0.9 feet (MLLW) 07:36 AM EDT.
High 2.8 feet (MLLW) 02:38 PM EDT.
Narragansett Pier........Low 1.0 feet (MLLW) 07:31 AM EDT.
High 2.7 feet (MLLW) 02:36 PM EDT.
.SUNDAY...Surf height 2 to 3 feet. Mostly cloudy. Showers likely.
Highs in the mid 60s. Southeast winds around 10 mph.
.MONDAY...Surf height around 5 feet. Mostly cloudy. A chance of
showers with isolated thunderstorms. Highs in the mid 60s. Northeast
winds around 15 mph.
.TUESDAY...Surf height 5 to 7 feet. Mostly cloudy. A chance of
showers. Highs in the lower 60s. Northeast 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
$$
RIZ008-182200-
Block Island RI-
Including the beaches of Block Island
408 AM EDT Fri Sep 18 2026
.TODAY...
Rip Current Risk*...........Low.
Surf Height.................3 to 4 feet.
Thunderstorm Potential**....None.
UV Index**..................High.
Water Temperature...........In the lower 70s.
Weather.....................Mostly cloudy until 9 AM, then mostly
sunny.
High Temperature............In the mid 70s.
Winds.......................Northwest winds 5 to 10 mph.
Tides...
Block Island (Old Harbor)Low 0.8 feet (MLLW) 06:07 AM EDT.
High 2.6 feet (MLLW) 01:30 PM EDT.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................3 to 4 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the mid 60s.
Winds.......................Northeast winds 10 to 15 mph.
Tides...
Block Island (Old Harbor)Low 1.0 feet (MLLW) 07:10 AM EDT.
High 2.5 feet (MLLW) 02:36 PM EDT.
.SUNDAY...Surf height 2 to 3 feet. Mostly cloudy. Showers likely.
Highs in the upper 60s. Southeast winds around 10 mph.
.MONDAY...Surf height around 5 feet. Mostly cloudy. Patchy fog.
Showers likely with isolated thunderstorms. Highs in the mid 60s.
Northeast winds around 20 mph.
.TUESDAY...Surf height 6 to 7 feet. Mostly cloudy. A chance of
showers. Highs in the mid 60s. Windy. Northeast winds around 30 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
$$
MAZ019-182200-
Eastern Plymouth MA-
Including the beaches of Cohasset, Duxbury, Hingham, Kingston,
Marshfield, Plymouth, and Scituate
408 AM EDT Fri Sep 18 2026
...HIGH RIP CURRENT RISK IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...
.TODAY...
Rip Current Risk*...........Moderate.
Surf Height.................Around 2 feet.
Thunderstorm Potential**....None.
UV Index**..................High.
Water Temperature...........In the mid 60s.
Weather.....................Mostly sunny. Patchy fog.
High Temperature............In the mid 70s.
Winds.......................Northwest winds around 10 mph, becoming
north in the afternoon.
Tides...
Scituate Harbor..........Low 1.9 feet (MLLW) 10:59 AM EDT.
High 8.5 feet (MLLW) 05:17 PM EDT.
Plymouth.................Low 2.2 feet (MLLW) 11:22 AM EDT.
High 9.4 feet (MLLW) 05:21 PM EDT.
.SATURDAY...
Rip Current Risk*...........High.
Surf Height.................3 to 4 feet.
Thunderstorm Potential**....None.
Weather.....................Partly sunny until 10 AM, then sunny.
High Temperature............In the lower 60s.
Winds.......................Northeast winds around 10 mph.
Tides...
Scituate Harbor..........High 7.4 feet (MLLW) 06:01 AM EDT.
Low 2.2 feet (MLLW) 11:55 AM EDT.
Plymouth.................Low 2.5 feet (MLLW) 12:17 PM EDT.
.SUNDAY...Surf height around 2 feet. Mostly cloudy. A chance of
showers. Highs in the mid 60s. Southeast winds around 5 mph.
.MONDAY...Surf height 2 to 3 feet. Partly sunny. A chance of showers.
Highs in the mid 60s. Northeast winds around 15 mph.
.TUESDAY...Surf height around 4 feet. Mostly cloudy. A chance of
showers. Highs in the lower 60s. Northeast 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
$$
MAZ015-016-182200-
Suffolk MA-Eastern Norfolk MA-
Including the beaches of Boston, Chelsea, Revere, Winthrop,
Braintree, Milton, Quincy, and Weymouth
408 AM EDT Fri Sep 18 2026
...HIGH RIP CURRENT RISK IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...
.TODAY...
Rip Current Risk*...........Moderate.
Surf Height.................Around 2 feet.
Thunderstorm Potential**....None.
UV Index**..................High.
Water Temperature...........In the mid 60s.
Weather.....................Mostly sunny. Patchy fog.
High Temperature............In the mid 70s.
Winds.......................Northwest winds around 10 mph.
Tides...
Boston...................Low 2.3 feet (MLLW) 11:01 AM EDT.
High 9.1 feet (MLLW) 05:16 PM EDT.
.SATURDAY...
Rip Current Risk*...........High.
Surf Height.................3 to 4 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the lower 60s.
Winds.......................Northeast winds 5 to 10 mph.
Tides...
Boston...................High 7.9 feet (MLLW) 06:03 AM EDT.
Low 2.5 feet (MLLW) 11:56 AM EDT.
.SUNDAY...Surf height around 2 feet. Mostly cloudy. Showers likely.
Highs in the mid 60s. Southeast winds around 5 mph.
.MONDAY...Surf height 2 to 3 feet. Partly sunny. A chance of showers.
Highs in the lower 60s. Northeast winds around 10 mph.
.TUESDAY...Surf height around 4 feet. Mostly cloudy. A chance of
showers. Highs around 60. Northeast 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
$$
MAZ007-182200-
Eastern Essex MA-
Including the beaches of Beverly, Gloucester, and Newburyport
408 AM EDT Fri Sep 18 2026
...HIGH RIP CURRENT RISK IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...
.TODAY...
Rip Current Risk*...........Moderate.
Surf Height.................Around 2 feet.
Thunderstorm Potential**....None.
UV Index**..................High.
Water Temperature...........In the lower 60s.
Weather.....................Mostly sunny. Patchy fog.
High Temperature............In the mid 70s.
Winds.......................Northwest winds around 5 mph.
Tides...
Newburyport..............Low 1.5 feet (MLLW) 11:39 AM EDT.
High 8.0 feet (MLLW) 05:34 PM EDT.
Gloucester Harbor........Low 2.0 feet (MLLW) 10:54 AM EDT.
High 8.5 feet (MLLW) 05:14 PM EDT.
.SATURDAY...
Rip Current Risk*...........High.
Surf Height.................3 to 4 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the lower 60s.
Winds.......................North winds around 10 mph, becoming
east in the afternoon.
Tides...
Newburyport..............High 6.8 feet (MLLW) 06:09 AM EDT.
Low 1.7 feet (MLLW) 12:35 PM EDT.
Gloucester Harbor........Low 2.2 feet (MLLW) 11:50 AM EDT.
.SUNDAY...Surf height around 2 feet. Mostly cloudy. A chance of
showers. Highs in the mid 60s. South winds around 5 mph.
.MONDAY...Surf height 2 to 3 feet. Partly sunny. A chance of showers.
Highs in the mid 60s. Northeast winds around 10 mph.
.TUESDAY...Surf height around 4 feet. Mostly cloudy. A slight chance
of showers. Highs in the lower 60s. Northeast 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
$$