Surf Forecasts:
Nantasket Beach surf forecast from 26 Jul 2026:
- Most powerful swell: Thursday 30 Jul, 2AM (local time) - 4.5ft (1.3m), 6s period, E swell with 119 kJ wave energy.
Best Forecast Surf Conditions for Nantasket Beach this week:
The most powerful waves expected at Nantasket Beach in the next 16 days are 1.3m 6s and forecast to arrive on Thursday (Jul 30) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 3s period and expected on Saturday (Aug 01) at 5AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2AM (Thu 30th Jul) | 4.5ft (1.3m) 6s |
Table - best surf conditions forecast for Nantasket Beach over the next 16 days.
The Lowdown
Alright, let’s talk in feet and miles per hour. This is a tough one for us New England surfers. The next 16 days are looking mostly flat and ugly for Nantasket Beach. We’ve got a long stretch of nothing, so don’t get your hopes up.
The first few days, starting Sunday, July 26th, are a total washout. Swell is barely 2 ft from the east, with a short period around 7 seconds, and the wave energy is a weak 35. The wind is blowing cross-onshore at 9 mph, making it choppy and messy. Monday the 27th is the same story – 2 ft swell, 6-second period, energy at 29. It’s just not happening.
We get a little bump around Thursday, July 30th, with the swell pushing 4 ft, but the period is still a short 6 seconds. The problem is the heavy rain and strong north winds at 25 mph, and the wave energy climbs to 136 (moderate). The conditions are lumpy and cross-shore. That’s a kite-surfing day, not a surfing day. The rest of the week stays tiny, with the swell dropping back to 1 ft or less by Saturday, August 1st.
The water temp is about average for this time of year. The only real chance for a clean session is Friday morning, July 31st, when we get a light offshore breeze from the northwest. But the swell is only 2 ft with a 6-second period, and the energy is a weak 37. It’s clean, but it’s flat. Sunday, August 2nd, is also clean with a light offshore wind, but the swell is just 1 ft. There’s nothing to ride. There’s no standout day in this forecast. The swell is inconsistent and weak, and the wind only works when there’s no surf. This is a quiet stretch – it happens sometimes, but it never lasts forever. Keep an eye on the forecast.
Rusty
Short Range ForecastMostly dry. Warm (max 26°C on Tue afternoon, min 15°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 196mm), heaviest during Thu afternoon. Warm (max 23°C on Tue night, min 16°C on Thu afternoon). Winds decreasing (strong winds from the NNE on Thu morning, light winds from the WNW by Thu night). | ||||||||||||||||||
Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | ||||||||||||||
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) | ESE 7 | E 7 | E 7 | E 6 | E 6 | E 6 | E 6 | E 7 | ESE 7 | E 7 | E 6 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 20 | 35 | 33 | 28 | 29 | 30 | 29 | 38 | 55 | 34 | 20 | 37 | 119 | 80 | 71 | 36 | 27 | 29 | 20 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-off | cross-on | on | cross-off | cross-on | cross | cross-on | on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 9:21PM2.74m | 10:09AM2.36m | 10:09PM2.79m | 10:52AM2.41m | 10:52PM2.85m | 11:32AM2.47m | 11:32PM2.90m | 12:10PM2.54m | 00:12AM2.94m | 12:47PM2.61m | 00:50AM2.96m | 1:23PM2.68m | 1:29AM2.96m | ||||||
Low Tide | 3:57AM0.30m | 3:53PM0.59m | 4:41AM0.26m | 4:37PM0.53m | 5:21AM0.20m | 5:18PM0.46m | 5:58AM0.15m | 5:58PM0.40m | 6:34AM0.11m | 6:38PM0.34m | 7:10AM0.07m | 7:18PM0.28m | |||||||
 | | |  | | | | |  |  |  |  |  |  | |  | |  | | |
 | — | 5:28 | — | — | 5:30 | — | — | 5:31 | — | — | 5:31 | — | — | 5:33 | — | — | 5:33 | — | — |
 | 8:09 | — | 8:08 | — | — | 8:07 | — | — | 8:07 | — | — | 8:06 | — | — | 8:05 | — | — | 8:04 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 9 | 47 | 35 | 74 | 30 | — | 1 | 1 |
Temp °C | 19 | 19 | 20 | 18 | 21 | 22 | 20 | 24 | 26 | 23 | 21 | 20 | 18 | 17 | 17 | 16 | 22 | 20 | 18 |
Feels °C | 18 | 16 | 17 | 17 | 19 | 19 | 18 | 23 | 24 | 21 | 19 | 18 | 15 | 11 | 13 | 12 | 21 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | ESE 7 | E 7 | E 7 | E 6 | E 6 | E 6 | E 6 | E 7 | ESE 7 | E 7 | E 8 | E 8 | SE 11 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 |
| kJ | 20 | 35 | 33 | 28 | 29 | 30 | 29 | 38 | 55 | 34 | 5 | 5 | 4 | 80 | 57 | 36 | 27 | 29 | 20 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | ESE 8 | SE 8 | — | SE 8 | SE 8 | — | — | E 10 | E 10 | ESE 10 | ESE 10 | ESE 9 | E 10 |
| kJ | — | — | — | — | — | — | 23 | 15 | — | 10 | 3 | — | — | 2 | 8 | 21 | 10 | 9 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SE 4 | SE 4 | E 6 | E 5 | E 6 | — | E 6 | — | — | SE 3 | — |
| kJ | — | — | — | — | — | — | — | — | 14 | 7 | 20 | 37 | 119 | — | 71 | — | — | 2 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 55 | 117 | 117 | 55 | 117 | 537 | 7 | 26 | 1945 | 471 | 297 | 439 | 415 | 128 | 225 | 7 | 67 | 67 | 64 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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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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