FZUS51 KBOX 182012 SRFBOX Surf Zone Forecast National Weather Service Boston/Norton MA 412 PM EDT Mon May 18 2026 MAZ022-191000- Barnstable MA- Including the beaches of Chatham, Eastham, and Provincetown 412 PM EDT Mon May 18 2026 .REST OF TODAY... Rip Current Risk*... East Coast...............Low. Surf Height... East Coast...............Around 3 feet. Thunderstorm Potential**....None. UV Index**..................Very High. Water Temperature... East Coast...............In the upper 40s. Weather.....................Mostly sunny. High Temperature............In the mid 60s. Winds.......................South winds around 10 mph. Tides... Nauset Beach.............High 4.5 feet (MLLW) 12:21 PM EDT. Hyannisport..............High 3.2 feet (MLLW) 02:18 PM EDT. Barnstable Harbor........High 10.2 feet (MLLW) 01:19 PM EDT. .TUESDAY... Rip Current Risk*... East Coast...............Low. Surf Height... East Coast...............3 to 6 feet. Thunderstorm Potential**....None. Weather.....................Mostly sunny. Patchy fog. High Temperature............Around 70. Winds.......................Southwest winds around 15 mph. Tides... Nauset Beach.............Low -0.6 feet (MLLW) 07:06 AM EDT. High 4.4 feet (MLLW) 01:17 PM EDT. Hyannisport..............Low -0.6 feet (MLLW) 08:36 AM EDT. High 3.2 feet (MLLW) 03:13 PM EDT. Barnstable Harbor........Low -1.4 feet (MLLW) 08:19 AM EDT. High 10.1 feet (MLLW) 02:15 PM EDT. .WEDNESDAY...Surf height 4 to 6 feet. Mostly sunny. Showers likely with isolated thunderstorms. Highs around 70. Southwest winds around 15 mph. .THURSDAY...Surf height 3 to 4 feet. Mostly sunny. Cooler. Highs in the upper 50s. North winds around 10 mph. .FRIDAY...Surf height around 2 feet. Mostly sunny. Highs in the upper 50s. 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 $$ MAZ024-191000- Nantucket MA- Including the beaches of Nantucket 412 PM EDT Mon May 18 2026 .REST OF 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**..................Very High. Water Temperature... East Coast...............In the upper 40s. South Coast..............Around 50. Weather.....................Mostly sunny. Patchy fog. High Temperature............In the lower 60s. Winds.......................South winds around 10 mph. Tides... Nantucket................High 2.9 feet (MLLW) 02:24 PM EDT. Great Point..............High 3.3 feet (MLLW) 01:51 PM EDT. .TUESDAY... Rip Current Risk*... East Coast...............Moderate. South Coast..............Moderate. Surf Height... East Coast...............4 to 5 feet. South Coast..............4 to 6 feet. Thunderstorm Potential**....None. Weather.....................Partly sunny. Patchy fog. High Temperature............In the mid 60s. Winds.......................Southwest winds 15 to 20 mph. Tides... Nantucket................Low -0.7 feet (MLLW) 08:39 AM EDT. High 2.9 feet (MLLW) 03:19 PM EDT. Great Point..............Low -0.4 feet (MLLW) 08:17 AM EDT. High 3.2 feet (MLLW) 02:47 PM EDT. .WEDNESDAY...Surf height around 6 feet. Mostly sunny. A chance of showers. Highs in the mid 60s. Southwest winds around 20 mph. .THURSDAY...Surf height 3 to 4 feet. Partly sunny. A chance of showers. Highs around 60. Northeast winds around 15 mph. .FRIDAY...Surf height 2 to 3 feet. Mostly sunny. Highs in the upper 50s. 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 $$ MAZ023-191000- Dukes MA- Including the beaches of Edgartown and Aquinnah 412 PM EDT Mon May 18 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 50s. Weather.....................Mostly sunny. High Temperature............In the mid 60s. Winds.......................South winds around 10 mph. Tides... Squibnocket Point........Low -0.3 feet (MLLW) 02:54 PM EDT. .TUESDAY... Rip Current Risk*...........Moderate. Surf Height.................4 to 6 feet. Thunderstorm Potential**....None. Weather.....................Partly sunny. Patchy fog. High Temperature............In the upper 60s. Winds.......................Southwest winds 15 to 20 mph. Tides... Squibnocket Point........High 3.2 feet (MLLW) 09:49 AM EDT. Low -0.2 feet (MLLW) 03:48 PM EDT. .WEDNESDAY...Surf height 5 to 7 feet. Mostly sunny. A chance of showers. Highs in the upper 60s. Southwest winds around 20 mph. .THURSDAY...Surf height 3 to 4 feet. Partly sunny. Highs in the lower 60s. Northeast winds around 10 mph. .FRIDAY...Surf height around 2 feet. Partly sunny. Highs around 60. 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 $$ MAZ020-191000- Southern Bristol MA- Including the beaches of Westport, Dartmouth, and New Bedford 412 PM EDT Mon May 18 2026 .REST OF TODAY... Rip Current Risk*...........Low. Surf Height.................Around 3 feet. Thunderstorm Potential**....None. UV Index**..................Very High. Water Temperature...........In the lower 50s. Weather.....................Mostly sunny. High Temperature............In the upper 60s. Winds.......................South winds around 10 mph. Tides... Westport Harbor..........Low -0.3 feet (MLLW) 03:29 PM EDT. .TUESDAY... Rip Current Risk*...........Low. Surf Height.................4 to 5 feet. Thunderstorm Potential**....None. Weather.....................Mostly sunny. Patchy fog. High Temperature............In the lower 70s. Winds.......................Southwest winds 15 to 20 mph. Tides... Westport Harbor..........High 3.3 feet (MLLW) 10:43 AM EDT. Low -0.2 feet (MLLW) 04:23 PM EDT. .WEDNESDAY...Surf height around 6 feet. Mostly sunny. Showers likely and a slight chance of thunderstorms. Highs in the mid 70s. Southwest winds around 15 mph. .THURSDAY...Surf height 3 to 4 feet. Mostly sunny. Cooler. Highs in the mid 60s. Northeast winds around 10 mph. .FRIDAY...Surf height around 2 feet. Partly sunny. Highs in the lower 60s. East winds around 5 mph. && Rip Current Risk Category * Low Risk - The risk for rip currents is low, however, life-threatening rip currents often occur in the vicinity of groins, jetties, reefs, and piers. * Moderate Risk - Life-threatening rip currents are possible in the surf zone. * High Risk - Life-threatening rip currents are likely in the surf zone. ** For thunderstorm, waterspout, and UV definitions see: https://www.weather.gov/beach/box $$ RIZ007-191000- Newport RI- Including the beaches of Newport, Middletown, and Little Compton 412 PM EDT Mon May 18 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 50s. Weather.....................Mostly sunny. High Temperature............In the upper 60s. Winds.......................South winds around 10 mph. Tides... Newport..................Low -0.4 feet (MLLW) 02:56 PM EDT. .TUESDAY... Rip Current Risk*...........Low. Surf Height.................4 to 5 feet. Thunderstorm Potential**....None. Weather.....................Mostly sunny. Patchy fog. High Temperature............In the lower 70s. Winds.......................Southwest winds 15 to 20 mph. Tides... Newport..................High 3.9 feet (MLLW) 10:34 AM EDT. Low -0.2 feet (MLLW) 03:50 PM EDT. .WEDNESDAY...Surf height 5 to 6 feet. Mostly sunny. Showers likely and a slight chance of thunderstorms. Highs in the mid 70s. Southwest winds around 15 mph. .THURSDAY...Surf height 3 to 4 feet. Partly sunny. Cooler. Highs in the mid 60s. Northeast winds around 10 mph. .FRIDAY...Surf height around 2 feet. Partly sunny. Highs in the lower 60s. 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 $$ RIZ006-191000- Washington RI- Including the beaches of Narragansett, Charlestown, and Westerly 412 PM EDT Mon May 18 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 50s. Weather.....................Sunny. High Temperature............Around 70. Winds.......................South winds around 10 mph. Tides... Watch Hill Point.........Low -0.3 feet (MLLW) 04:12 PM EDT. Point Judith (Harbor)....Low -0.4 feet (MLLW) 03:12 PM EDT. Narragansett Pier........Low -0.4 feet (MLLW) 03:07 PM EDT. .TUESDAY... Rip Current Risk*...........Low. Surf Height.................4 to 5 feet. Thunderstorm Potential**....None. Weather.....................Mostly sunny. High Temperature............In the upper 70s. Winds.......................Southwest winds 15 to 20 mph. Tides... Watch Hill Point.........High 2.9 feet (MLLW) 11:15 AM EDT. Low -0.2 feet (MLLW) 05:06 PM EDT. Point Judith (Harbor)....High 3.3 feet (MLLW) 10:33 AM EDT. Low -0.2 feet (MLLW) 04:08 PM EDT. Narragansett Pier........High 3.6 feet (MLLW) 10:23 AM EDT. Low -0.2 feet (MLLW) 04:01 PM EDT. .WEDNESDAY...Surf height 4 to 6 feet. Mostly sunny. Showers likely and a slight chance of thunderstorms. Highs around 80. Southwest winds around 15 mph. .THURSDAY...Surf height 3 to 4 feet. Partly sunny. Cooler. Highs in the upper 60s. Northeast winds around 5 mph. .FRIDAY...Surf height around 2 feet. Partly sunny. Highs in the lower 60s. 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 $$ RIZ008-191000- Block Island RI- Including the beaches of Block Island 412 PM EDT Mon May 18 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 50s. Weather.....................Mostly sunny. High Temperature............In the mid 60s. Winds.......................South winds around 10 mph. Tides... Block Island (Old Harbor)Low -0.4 feet (MLLW) 03:03 PM EDT. .TUESDAY... Rip Current Risk*...........Low. Surf Height.................4 to 5 feet. Thunderstorm Potential**....None. Weather.....................Partly sunny. Patchy fog. High Temperature............In the mid 60s. Winds.......................Southwest winds 15 to 20 mph. Tides... Block Island (Old Harbor)High 3.1 feet (MLLW) 10:21 AM EDT. Low -0.3 feet (MLLW) 03:56 PM EDT. .WEDNESDAY...Surf height 5 to 6 feet. Mostly sunny. Showers likely with isolated thunderstorms. Highs in the mid 60s. Southwest winds around 20 mph. .THURSDAY...Surf height 3 to 4 feet. Partly sunny. Highs in the lower 60s. Northeast winds around 10 mph. .FRIDAY...Surf height around 2 feet. Partly sunny. Highs in the upper 50s. 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 $$ MAZ019-191000- Eastern Plymouth MA- Including the beaches of Cohasset, Duxbury, Hingham, Kingston, Marshfield, Plymouth, and Scituate 412 PM EDT Mon May 18 2026 .REST OF TODAY... Rip Current Risk*...........Low. Surf Height.................Around 2 feet. Thunderstorm Potential**....None. UV Index**..................Very High. Water Temperature...........In the upper 40s. Weather.....................Sunny. High Temperature............In the lower 70s. Winds.......................Southeast winds around 10 mph. Tides... Scituate Harbor..........High 9.5 feet (MLLW) 01:11 PM EDT. Plymouth.................High 10.4 feet (MLLW) 01:18 PM EDT. .TUESDAY... Rip Current Risk*...........Low. Surf Height.................2 to 4 feet. Thunderstorm Potential**....None. Weather.....................Mostly sunny. High Temperature............In the lower 80s. Winds.......................Southwest winds 15 to 20 mph. Tides... Scituate Harbor..........Low -1.4 feet (MLLW) 07:50 AM EDT. High 9.4 feet (MLLW) 02:04 PM EDT. Plymouth.................Low -1.2 feet (MLLW) 08:10 AM EDT. High 10.3 feet (MLLW) 02:10 PM EDT. .WEDNESDAY...Surf height 2 to 4 feet. Mostly sunny. Showers likely and a slight chance of thunderstorms. Highs in the lower 80s. Southwest winds around 15 mph. .THURSDAY...Surf height 2 to 3 feet. Mostly sunny. Much cooler. Highs in the lower 60s. Northeast winds around 10 mph. .FRIDAY...Surf height around 2 feet. Mostly sunny. Highs in the lower 60s. East winds around 5 mph. && Rip Current Risk Category * Low Risk - The risk for rip currents is low, however, life-threatening rip currents often occur in the vicinity of groins, jetties, reefs, and piers. * Moderate Risk - Life-threatening rip currents are possible in the surf zone. * High Risk - Life-threatening rip currents are likely in the surf zone. ** For thunderstorm, waterspout, and UV definitions see: https://www.weather.gov/beach/box $$ MAZ015-016-191000- Suffolk MA-Eastern Norfolk MA- Including the beaches of Boston, Chelsea, Revere, Winthrop, Braintree, Milton, Quincy, and Weymouth 412 PM EDT Mon May 18 2026 .REST OF TODAY... Rip Current Risk*...........Low. Surf Height.................Around 2 feet. Thunderstorm Potential**....None. UV Index**..................Very High. Water Temperature...........In the upper 40s. Weather.....................Sunny. High Temperature............In the lower 70s. Winds.......................Southeast winds around 10 mph. Tides... Boston...................High 10.2 feet (MLLW) 01:08 PM EDT. .TUESDAY... Rip Current Risk*...........Low. Surf Height.................3 to 4 feet. Thunderstorm Potential**....None. Weather.....................Mostly sunny. High Temperature............In the lower 80s. Winds.......................Southwest winds 15 to 20 mph. Tides... Boston...................Low -1.4 feet (MLLW) 07:49 AM EDT. High 10.1 feet (MLLW) 02:04 PM EDT. .WEDNESDAY...Surf height 2 to 4 feet. Mostly sunny. Showers likely and a slight chance of thunderstorms. Highs in the lower 80s. Southwest winds around 15 mph. .THURSDAY...Surf height 2 to 3 feet. Mostly sunny. Much cooler. Highs in the lower 60s. North winds around 10 mph. .FRIDAY...Surf height around 2 feet. Mostly sunny. Highs in the lower 60s. 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 $$ MAZ007-191000- Eastern Essex MA- Including the beaches of Beverly, Gloucester, and Newburyport 412 PM EDT Mon May 18 2026 .REST OF TODAY... Rip Current Risk*...........Low. Surf Height.................2 to 3 feet. Thunderstorm Potential**....None. UV Index**..................Very High. Water Temperature...........In the upper 40s. Weather.....................Sunny. High Temperature............In the mid 60s. Winds.......................Southeast winds around 10 mph. Tides... Newburyport..............High 8.4 feet (MLLW) 01:33 PM EDT. Gloucester Harbor........High 9.5 feet (MLLW) 01:09 PM EDT. .TUESDAY... Rip Current Risk*...........Low. Surf Height.................3 to 4 feet. Thunderstorm Potential**....None. Weather.....................Mostly sunny. High Temperature............In the lower 80s. Winds.......................Southwest winds 15 to 20 mph. Tides... Newburyport..............Low -1.1 feet (MLLW) 08:32 AM EDT. High 8.4 feet (MLLW) 02:26 PM EDT. Gloucester Harbor........Low -1.5 feet (MLLW) 07:48 AM EDT. High 9.4 feet (MLLW) 02:02 PM EDT. .WEDNESDAY...Surf height 3 to 4 feet. Mostly sunny. A chance of showers and a slight chance of thunderstorms. Highs around 80. West winds around 10 mph. .THURSDAY...Surf height 2 to 3 feet. Mostly sunny. Cooler. Highs in the lower 60s. North winds around 10 mph. .FRIDAY...Surf height around 2 feet. Mostly sunny. Highs in the lower 60s. East winds around 5 mph. && Rip Current Risk Category * Low Risk - The risk for rip currents is low, however, life-threatening rip currents often occur in the vicinity of groins, jetties, reefs, and piers. * Moderate Risk - Life-threatening rip currents are possible in the surf zone. * High Risk - Life-threatening rip currents are likely in the surf zone. ** For thunderstorm, waterspout, and UV definitions see: https://www.weather.gov/beach/box $$