Surf Forecasts:
Nantasket Beach surf forecast from 18 Oct 2026:
- Best quality surf: Friday 23 Oct, 11AM (local time) - 6ft (1.8m), 8s period, NE swell with cross-offshore winds.
- Most powerful swell: Wednesday 21 Oct, 5AM (local time) - 8ft (2.4m), 8s period, ENE swell with 770 kJ wave energy.
- Next surfable swell (1★+): Thursday 22 Oct, 8PM (local time) - 4.5ft (1.3m), 8s period with E swell.
Best Forecast Surf Conditions for Nantasket Beach this week:
The surf forecast for Nantasket Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Oct 22) at 8PM. The primary swell is predicted to be 1.3m and 8s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Nantasket Beach in the next 16 days are 2.4m 8s and forecast to arrive on Wednesday (Oct 21) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Thursday (Oct 22) at 2PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Thu 22nd Oct) | 4.5ft (1.3m) 8s |
| Best Surf | 11AM (Fri 23rd Oct) | 6ft (1.8m) 8s |
| Most Powerful | 5AM (Wed 21st Oct) | 8ft (2.4m) 8s |
Table - best surf conditions forecast for Nantasket Beach over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 12°C on Tue afternoon, min 7°C on Tue night). Winds increasing (calm on Sun afternoon, fresh winds from the NE by Tue night). | Days 5-7 Weather SummaryMostly dry. Very mild (max 15°C on Thu afternoon, min 6°C on Sat morning). Winds decreasing (fresh winds from the NNE on Wed afternoon, light winds from the NNE by Sat morning). | |||||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | NE 5 | E 4 | E 5 | ESE 9 | E 10 | E 10 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 9 | ENE 9 | E 8 | ENE 8 | NE 8 | NE 7 | NE 7 | ENE 7 | ENE 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 5 | 3 | 13 | 169 | 325 | 371 | 583 | 727 | 696 | 554 | 575 | 505 | 331 | 323 | 364 | 160 | 173 | 114 | 89 | 51 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross-off | on | cross-on | cross-on | cross-on | cross-off |
High Tide | 5:32PM2.57m | 6:19AM2.30m | 6:28PM2.55m | 7:12AM2.36m | 7:22PM2.58m | 8:03AM2.46m | 8:16PM2.64m | 8:50AM2.61m | 9:07PM2.72m | 9:34AM2.78m | 9:54PM2.82m | 10:15AM2.97m | 10:39PM2.90m | |||||||
Low Tide | 00:00AM0.48m | 12:13PM0.71m | 00:53AM0.48m | 1:09PM0.65m | 1:44AM0.43m | 2:03PM0.55m | 2:33AM0.35m | 2:54PM0.39m | 3:18AM0.25m | 3:43PM0.21m | 4:00AM0.15m | 4:27PM0.02m | 4:42AM0.06m | |||||||
 |  | | |  |  |  | | | |  | | | | | | | | | | |
 | — | — | 7:00 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — |
 | 5:57 | — | — | 5:55 | — | — | 5:53 | — | — | 5:52 | — | — | 5:51 | — | — | 5:50 | — | — | 5:47 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 9 | 9 | 10 | 9 | 11 | 12 | 12 | 7 | 8 | 9 | 10 | 15 | 14 | 9 | 11 | 10 | 7 | 9 | 9 |
Feels °C | 6 | 5 | 6 | 6 | 5 | 4 | 5 | 6 | 0 | 1 | 3 | 4 | 11 | 10 | 5 | 7 | 6 | 4 | 6 | 5 |
Swell 1 Height (m) Direction Period (s) | NE 5 | E 4 | E 5 | E 9 | E 10 | E 10 | E 8 | — | — | — | E 9 | ENE 9 | E 8 | E 8 | ENE 8 | E 8 | E 8 | ENE 7 | ENE 8 | ENE 8 |
| kJ | 5 | 3 | 8 | 78 | 325 | 371 | 459 | — | — | — | 575 | 505 | 331 | 217 | 264 | 22 | 66 | 114 | 89 | 51 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 7 | E 10 | — | — | — | — | — | — | — | — | — | — | — | E 9 | — | — | — | — | E 8 |
| kJ | 2 | 1 | 7 | — | — | — | — | — | — | — | — | — | — | — | 96 | — | — | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | E 11 | E 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | ESE 3 | E 5 | ESE 9 | NNE 4 | NNE 5 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | NNE 5 | — | ENE 8 | NE 8 | NE 7 | NE 7 | — | — | — |
| kJ | — | 2 | 13 | 169 | 18 | 97 | 583 | 727 | 696 | 554 | 542 | 64 | — | 323 | 364 | 160 | 173 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 297 | 508 | 117 | 28 | 578 | 537 | 537 | 660 | 987 | 986 | 986 | 28 | 17 | 17 | 0 | 28 | 17 | 12 | 32 | 7 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nantasket Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Nantasket Beach Surf forecast
The above surf forecast table for Nantasket Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Nantasket Beach can be found by selecting the local surf guide option on the grey menu. Our Nantasket Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Nantasket Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Nantasket Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Nantasket Beach is 8 km (5 miles) from the city of Hingham. If you plan a vacation in Massachusetts, look for hotels and other accommodation in Hingham. Hingham has rooms for a wide range of budgets as well as car hire and transport links.
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