| Thu 05/23 | 12am | 1-2ft | | | 1.8ft | 6s | 86.86° | 0.9ft | 8s | | 1.2ft | 3s | | 2 2 mph | | Brief Showers | 52°f | 100% |
| | 3am | 1-2ft | | | 1.7ft | 6s | 87.07° | 0.7ft | 7s | | 2.5ft | 4s | | 4 6 mph | | Overcast | 57°f | 100% |
| Thu 05/23 | 6am | 1-2ft | | | 1.5ft | 6s | 87.65° | 0.6ft | 8s | | 3ft | 4s | | 9 20 mph | | Light Showers | 66°f | 100% |
| | 9am | 1-2ft | | | 1.4ft | 6s | 88.62° | 3.5ft | 4s | | | 12 22 mph | | Brief Showers | 72°f | 100% |
| | Noon | 1-2ft | | | 1.3ft | 6s | 89.28° | 4ft | 5s | | | 18 27 mph | | Brief Showers | 79°f | 100% |
| | 3pm | 1ft | | | 1.1ft | 6s | 89.74° | 0.2ft | 10s | | 5ft | 5s | | 18 29 mph | | Cloudy | 77°f | 100% |
| | 6pm | 1ft | | | 1ft | 7s | 89.95° | 0.3ft | 10s | | 5ft | 5s | | 13 32 mph | | Cloudy | 70°f | 100% |
| | 9pm | 1ft | | | 0.9ft | 7s | 89.54° | 5ft | 5s | | | 12 34 mph | | Overcast | 64°f | 100% |
| Low | 4:12AM | -0.5ft | | High | 10:21AM | 9.9ft | | Low | 4:26PM | -0.1ft | | High | 10:37PM | 11.4ft | | First Light | 4:39AM | | Sunrise | 5:12AM | | Sunset | 8:07PM | | Last Light | 8:41PM | |
| Fri 05/24 | 12am | 1ft | | | 0.8ft | 7s | 91.39° | 0.4ft | 9s | | 5ft | 5s | | 13 37 mph | | Light Showers | 63°f | 83% |
| | 3am | 1ft | | | 0.8ft | 9s | 89.15° | 6ft | 6s | | | 11 30 mph | | Rain | 63°f | 83% |
| Fri 05/24 | 6am | 1ft | | | 0.8ft | 8s | 89.22° | 6ft | 7s | | | 9 21 mph | | Rain | 63°f | 94% |
| | 9am | 1ft | | | 0.7ft | 8s | 87.94° | 5.5ft | 7s | | | 8 16 mph | | Light Showers | 64°f | 94% |
| | Noon | 1-2ft | | | 5ft | 8s | 149.57° | 0.6ft | 8s | | 1.5ft | 4s | | 8 12 mph | | Rain | 68°f | 72% |
| | 3pm | 1-2ft | | | 4.5ft | 8s | 148.93° | 0.6ft | 8s | | | 2 4 mph | | Thundery Showers | 68°f | 72% |
| | 6pm | 1-2ft | | | 4.5ft | 8s | 145.18° | 0.6ft | 8s | | | 11 22 mph | | Rain | 61°f | 100% |
| | 9pm | 1-2ft | | | 4.5ft | 8s | 141.81° | 0.5ft | 9s | | | 15 33 mph | | Drizzle | 54°f | 100% |
| Low | 5:03AM | -1.1ft | | High | 11:13AM | 10.3ft | | Low | 5:17PM | -0.4ft | | High | 11:27PM | 11.8ft | | First Light | 4:38AM | | Sunrise | 5:11AM | | Sunset | 8:08PM | | Last Light | 8:42PM | |
| Sat 05/25 | 12am | 1-2ft | | | 4.5ft | 8s | 139.93° | 0.5ft | 9s | | 1.3ft | 3s | | 14 31 mph | | Drizzle | 52°f | 100% |
| | 3am | 1-2ft | | | 4ft | 9s | 139.85° | 3.5ft | 5s | | 0.6ft | 9s | | 15 33 mph | | Drizzle | 52°f | 100% |
| Sat 05/25 | 6am | 2-3ft | | | 3.5ft | 6s | 4.35° | 4ft | 9s | | 0.7ft | 9s | | 14 32 mph | | Drizzle | 50°f | 69% |
| | 9am | 2-3ft | | | 3.5ft | 6s | 7.55° | 4ft | 9s | | | 14 29 mph | | Drizzle | 50°f | 69% |
| | Noon | 2ft | | | 3ft | 6s | 8.76° | 4ft | 9s | | | 21 34 mph | | Rain | 50°f | 42% |
| | 3pm | 1-2ft | | | 4ft | 8s | 136.4° | 3ft | 5s | | | 15 31 mph | | Rain | 48°f | 42% |
| | 6pm | 2ft | | | 4ft | 8s | 133.4° | 2.5ft | 5s | | | 15 33 mph | | Rain | 46°f | 53% |
| | 9pm | 2-3ft | | | 4ft | 8s | 131.73° | 1.8ft | 5s | | | 14 30 mph | | Drizzle | 45°f | 53% |
| Low | 5:54AM | -1.6ft | | High | 12:05PM | 10.5ft | | Low | 6:08PM | -0.6ft | | First Light | 4:37AM | | Sunrise | 5:11AM | | Sunset | 8:09PM | | Last Light | 8:43PM | |
| Sun 05/26 | 12am | 2-3ft | | | 4.5ft | 8s | 129.57° | 1.4ft | 5s | | | 12 25 mph | | Drizzle | 45°f | 50% |
| | 3am | 2-3ft | | | 4.5ft | 8s | 127.95° | 1ft | 4s | | 1ft | 2s | | 13 27 mph | | Drizzle | 43°f | 50% |
| Sun 05/26 | 6am | 2-3ft | | | 4.5ft | 8s | 127.9° | 0.6ft | 4s | | 1.9ft | 3s | | 12 25 mph | | Drizzle | 45°f | 32% |
| | 9am | 2-3ft | | | 4ft | 8s | 128° | 0.6ft | 5s | | 2.5ft | 4s | | 11 25 mph | | Drizzle | 45°f | 32% |
| | Noon | 2-3ft | | | 3.5ft | 8s | 125.06° | 0.6ft | 5s | | 2.5ft | 4s | | 12 19 mph | | Drizzle | 54°f | 28% |
| | 3pm | 2-3ft | | | 3.5ft | 8s | 122.65° | 1.7ft | 4s | | 1.2ft | 3s | | 15 22 mph | | Cloudy | 57°f | 28% |
| | 6pm | 2-3ft | | | 3ft | 8s | 120.81° | 0.3ft | 4s | | 2.5ft | 4s | | 12 27 mph | | Cloudy | 52°f | 41% |
| | 9pm | 2ft | | | 3ft | 8s | 119.02° | 0.2ft | 4s | | 2.5ft | 4s | | 12 30 mph | | Mostly Clear | 45°f | 41% |
| High | 12:18AM | 12.1ft | | Low | 6:46AM | -1.9ft | | High | 12:58PM | 10.6ft | | Low | 6:59PM | -0.7ft | | First Light | 4:37AM | | Sunrise | 5:10AM | | Sunset | 8:10PM | | Last Light | 8:44PM | |
| Mon 05/27 | 12am | 1-2ft | | | 1.5ft | 9s | 92.96° | 2ft | 8s | | 2ft | 4s | | 12 31 mph | | Mostly Clear | 45°f | 50% |
| | 3am | 1-2ft | | | 2ft | 7s | 103.93° | 1.3ft | 8s | | 2ft | 4s | | 11 29 mph | | Clear | 43°f | 50% |
| Mon 05/27 | 6am | 1-2ft | | | 2ft | 8s | 106.2° | 1.2ft | 8s | | 2.5ft | 4s | | 14 25 mph | | Sunny | 50°f | 56% |
| | 9am | 1-2ft | | | 1.8ft | 8s | 103.53° | 1.2ft | 8s | | 2ft | 4s | | 11 18 mph | | Sunny | 59°f | 56% |
| | Noon | 1-2ft | | | 1.7ft | 8s | 107.67° | 1.3ft | 4s | | | 11 19 mph | | Sunny | 66°f | 48% |
| | 3pm | 1-2ft | | | 1.5ft | 7s | 103.48° | 0.8ft | 3s | | | 14 21 mph | | Sunny | 66°f | 48% |
| | 6pm | 1-2ft | | | 1.5ft | 7s | 103.36° | 0.8ft | 8s | | 1ft | 3s | | 6 11 mph | | Sunny | 61°f | 57% |
| | 9pm | 1-2ft | | | 1.5ft | 8s | 101.2° | 0.7ft | 8s | | 1.2ft | 3s | | 4 6 mph | | Clear | 57°f | 57% |
| High | 1:10AM | 12.2ft | | Low | 7:37AM | -1.9ft | | High | 1:51PM | 10.7ft | | Low | 7:52PM | -0.6ft | | First Light | 4:36AM | | Sunrise | 5:09AM | | Sunset | 8:11PM | | Last Light | 8:45PM | |
| Tue 05/28 | 12am | 1-2ft | | | 1.4ft | 8s | 98.95° | 0.9ft | 9s | | 1.5ft | 3s | | 7 10 mph | | Clear | 54°f | 73% |
| | 3am | 1-2ft | | | 1.4ft | 8s | 98.42° | 0.8ft | 9s | | 1.9ft | 3s | | 8 13 mph | | Clear | 50°f | 73% |
| Tue 05/28 | 6am | 1-2ft | | | 1.3ft | 8s | 98.38° | 0.8ft | 9s | | 1.9ft | 3s | | 8 13 mph | | Sunny | 50°f | 61% |
| | 9am | 1-2ft | | | 1.2ft | 8s | 99.73° | 0.8ft | 9s | | 1.5ft | 3s | | 7 11 mph | | Sunny | 66°f | 61% |
| | Noon | 1ft | | | 1.1ft | 8s | 99.2° | 0.9ft | 9s | | | 6 12 mph | | Sunny | 72°f | 68% |
| | 3pm | 1-2ft | | | 1.1ft | 8s | 100.34° | 0.9ft | 9s | | 0.5ft | 2s | | 4 9 mph | | Fair | 73°f | 68% |
| | 6pm | 1ft | | | 1ft | 8s | 100.79° | 1ft | 9s | | 1.1ft | 2s | | 5 8 mph | | Cloudy | 70°f | 61% |
| | 9pm | 1ft | | | 1ft | 8s | 101.64° | 1ft | 9s | | 1.4ft | 3s | | 8 13 mph | | Overcast | 61°f | 61% |
| High | 2:03AM | 12ft | | Low | 8:30AM | -1.7ft | | High | 2:46PM | 10.6ft | | Low | 8:47PM | -0.4ft | | First Light | 4:35AM | | Sunrise | 5:09AM | | Sunset | 8:12PM | | Last Light | 8:45PM | |
| Wed 05/29 | 12am | 1ft | | | 0.9ft | 8s | 101.69° | 1ft | 9s | | 1.2ft | 3s | | 7 12 mph | | Overcast | 57°f | 23% |
| | 3am | 1ft | | | 0.9ft | 7s | 102.43° | 1ft | 9s | | 1.1ft | 3s | | 7 12 mph | | Cloudy | 55°f | 23% |
| Wed 05/29 | 6am | 1ft | | | 0.9ft | 8s | 102.31° | 1ft | 9s | | 0.9ft | 3s | | 9 16 mph | | Cloudy | 59°f | 26% |
| | 9am | 1ft | | | 1ft | 8s | 103.16° | 1ft | 9s | | 0.8ft | 2s | | 9 13 mph | | Fair | 70°f | 26% |
| | Noon | 1ft | | | 1ft | 7s | 103.58° | 1ft | 9s | | 1.5ft | 3s | | 11 15 mph | | Fair | 73°f | 14% |
| | 3pm | 1ft | | | 1.1ft | 8s | 103.29° | 1ft | 9s | | 2.5ft | 4s | | 12 15 mph | | Fair | 73°f | 14% |
| | 6pm | 1ft | | | 1.1ft | 8s | 104.5° | 0.9ft | 9s | | 2.5ft | 4s | | 10 20 mph | | Fair | 66°f | 32% |
| | 9pm | 1-2ft | | | 1.2ft | 8s | 104.83° | 0.9ft | 9s | | 2.5ft | 4s | | 9 19 mph | | Cloudy | 61°f | 32% |
| High | 2:59AM | 11.6ft | | Low | 9:24AM | -1.4ft | | High | 3:42PM | 10.4ft | | Low | 9:44PM | -0.1ft | | First Light | 4:35AM | | Sunrise | 5:08AM | | Sunset | 8:13PM | | Last Light | 8:46PM | |
| Extended Surf Forecast for Nantasket Beach Area |
| Thu 05/30 | 12am | 1ft | | | 1.4ft | 8s | 123.37° | 5ft | 6s | | | 9 23 mph | | Showers | 59°f | 34% |
| | 3am | 1ft | | | 1.3ft | 8s | 123.37° | 3ft | 5s | | 3.5ft | 6s | | 11 23 mph | | Brief Showers | 64°f | 34% |
| Thu 05/30 | 6am | 1ft | | | 1.3ft | 8s | 123.94° | 3ft | 4s | | 3ft | 6s | | 10 19 mph | | Brief Showers | 68°f | 44% |
| | 9am | 1ft | | | 1.3ft | 8s | 123.94° | 2.5ft | 4s | | 2.5ft | 6s | | 13 22 mph | | Cloudy | 81°f | 44% |
| | Noon | 1ft | | | 1.3ft | 8s | 123.37° | 2.5ft | 6s | | | 17 29 mph | | Severe Thunderstorms | 86°f | 61% |
| | 3pm | 1ft | | | 1.2ft | 8s | 123.37° | 2ft | 6s | | | 17 27 mph | | Cloudy | 86°f | 61% |
| | 6pm | 1ft | | | 1.2ft | 8s | 122.22° | 2ft | 6s | | | 11 27 mph | | Fair | 79°f | 56% |
| | 9pm | 1ft | | | 1.2ft | 8s | 122.22° | 1.6ft | 7s | | | 9 29 mph | | Mostly Clear | 73°f | 56% |
| High | 3:57AM | 11.1ft | | Low | 10:20AM | -0.9ft | | High | 4:40PM | 10.3ft | | Low | 10:43PM | 0.2ft | | First Light | 4:34AM | | Sunrise | 5:08AM | | Sunset | 8:13PM | | Last Light | 8:47PM | |
| Fri 05/31 | 12am | 1ft | | | 1.2ft | 8s | 121.65° | 1.9ft | 6s | | | 8 16 mph | | Mostly Clear | 70°f | 61% |
| | 3am | 1ft | | | 1.2ft | 9s | 121.65° | 1.8ft | 6s | | | 8 14 mph | | Mostly Clear | 68°f | 61% |
| Fri 05/31 | 6am | 1ft | | | 1.2ft | 9s | 121.65° | 1.8ft | 6s | | | 9 15 mph | | Fair | 72°f | 84% |
| | 9am | 1ft | | | 1.2ft | 8s | 121.65° | 1.7ft | 6s | | | 17 22 mph | | Fair | 68°f | 84% |
| | Noon | 1ft | | | 1.2ft | 8s | 122.8° | 1.5ft | 6s | | | 17 22 mph | | Fair | 68°f | 65% |
| | 3pm | 1ft | | | 1.2ft | 8s | 122.8° | 1.5ft | 6s | | | 22 34 mph | | Fair | 79°f | 65% |
| | 6pm | 1ft | | | 1.2ft | 8s | 123.37° | 1.9ft | 6s | | | 25 34 mph | | Fair | 70°f | 60% |
| | 9pm | 1ft | | | 1.2ft | 8s | 123.37° | 2.5ft | 4s | | | 25 34 mph | | Mostly Clear | 70°f | 60% |
| High | 4:58AM | 10.5ft | | Low | 11:17AM | -0.4ft | | High | 5:40PM | 10.1ft | | Low | 11:45PM | 0.5ft | | First Light | 4:33AM | | Sunrise | 5:07AM | | Sunset | 8:14PM | | Last Light | 8:48PM | |
| Sat 06/01 | 12am | 1ft | | | 1.2ft | 8s | 124.51° | 3.5ft | 5s | | | 25 34 mph | | Mostly Clear | 70°f | 50% |
| | 3am | 1ft | | | 1.3ft | 8s | 125.66° | 4ft | 5s | | | 23 29 mph | | Showers | 63°f | 50% |
| Sat 06/01 | 6am | 1ft | | | 1.3ft | 8s | 126.81° | 4ft | 5s | | | 23 29 mph | | Showers | 63°f | 35% |
| | 9am | 1ft | | | 1.3ft | 8s | 127.38° | 0.2ft | 15s | | 4.5ft | 5s | | 23 29 mph | | Showers | 63°f | 35% |
| | Noon | 1ft | | | 1.3ft | 8s | 126.81° | 0.2ft | 15s | | 5.5ft | 6s | | 23 29 mph | | Showers | 63°f | 44% |
| | 3pm | 1ft | | | 1.1ft | 8s | 123.94° | 0.2ft | 15s | | 6ft | 6s | | 25 34 mph | | Fair | 70°f | 44% |
| | 6pm | 1ft | | | 1ft | 8s | 123.37° | 0.2ft | 15s | | 6.5ft | 6s | | 30 43 mph | | Fair | 64°f | 37% |
| | 9pm | 1ft | | | 1ft | 8s | 124.51° | 0.2ft | 15s | | 6.5ft | 6s | | 30 43 mph | | Mostly Clear | 64°f | 37% |
| High | 6:00AM | 10ft | | Low | 12:15PM | 0.1ft | | High | 6:40PM | 10ft | | First Light | 4:33AM | | Sunrise | 5:07AM | | Sunset | 8:15PM | | Last Light | 8:49PM | |
| Sun 06/02 | 12am | 1ft | | | 0.9ft | 9s | 123.94° | 0.3ft | 15s | | 7ft | 6s | | 30 43 mph | | Mostly Clear | 64°f | N/A |