Surf Forecasts:
Nantasket Beach surf forecast from 27 Jul 2026:
- Most powerful swell: Thursday 30 Jul, 8PM (local time) - 5ft (1.6m), 6s period, ENE swell with 196 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 1.6m 6s and forecast to arrive on Thursday (Jul 30) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Tuesday (Jul 28) at 2AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Thu 30th Jul) | 5ft (1.6m) 6s |
Table - best surf conditions forecast for Nantasket Beach over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s be honest – the next couple of weeks are pretty grim for Nantasket Beach. We’ve got a long stretch of poor surf conditions ahead, so if you’re looking to paddle out, you’re going to need some patience.
The overall pattern is flat and messy. For the first week, from Monday the 27th of July right through to the end of the month, we’re looking at tiny, weak swell with onshore or cross-shore winds. The combined energy is in the dumps, sitting between 30 and 179 (moderate energy on the 30th), but it’s all short-period, choppy junk. Don’t even bother.
Things calm down a bit from the 1st of August onward. The wind goes light and variable, with some clean windows, but the swell is barely a ripple. The first real chance of something surfable comes on Monday the 3rd of August. We’ve got a small, clean morning with a westerly offshore breeze at 9 mph and a 2 ft swell from the east. The period is a short 5 seconds, so it’s not going to be world-class, but it’s the best we’ll see. The afternoon picks up a little more energy (139 combined energy) with a 3 ft swell from the ESE at 10 seconds – that’s a better period, meaning some longer lines. It’s still small, but clean.
The standout here is the morning of Monday the 3rd of August. Nantasket Beach is a consistent, exposed beach break, perfect for intermediates. The wind will be offshore, glassy, and the water is about average for this time of year. It’s not a big day, but it’s our only real shot for a clean paddle. Crowds are possible, but with such small surf, it’ll be a mellow crew.
After that, it’s back to tiny, clean but powerless surf for the rest of the week. The 5th through the 11th of August are all under 2 ft with light winds – good for a swim, but not worth waxing up for.
So, keep your eyes on the 3rd of August. It’s not a bomb, but it’s the only day the ocean is giving us a clean, honest wave. Everything else is a flat spell.
Rusty.
Short Range ForecastModerate rain (total 13mm), heaviest on Wed afternoon. Warm (max 27°C on Tue afternoon, min 15°C on Sun night). Winds increasing (calm on Mon morning, fresh winds from the E by Wed afternoon). | Days 5-7 Weather SummaryModerate rain (total 12mm), heaviest on Wed night. Warm (max 22°C on Thu morning, min 17°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | ||||||||||||||
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) | E 6 | E 6 | E 6 | E 7 | E 6 | E 6 | E 8 | ESE 5 | E 5 | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 35 | 31 | 30 | 32 | 19 | 21 | 12 | 28 | 59 | 95 | 156 | 179 | 160 | 103 | 80 | 34 | 18 | 10 | 9 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | on | cross-on | cross-off | cross | cross | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross | on | cross | cross-on | cross-on | cross-off |
High Tide | 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 | 1:59PM2.76m | 2:09AM2.93m | ||||||
Low Tide | 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 | 7:45AM0.04m | 7:58PM0.23m | |||||||
 | | |  | | | |  |  |  |  |  |  |  |  |  | | | | |
 | — | 5:30 | — | — | 5:31 | — | — | 5:31 | — | — | 5:33 | — | — | 5:33 | — | — | 5:35 | — | — |
 | 8:08 | — | 8:07 | — | — | 8:07 | — | — | 8:06 | — | — | 8:05 | — | — | 8:04 | — | — | 8:02 | — |
mm | — | — | — | — | — | — | — | 1 | 12 | 8 | — | 1 | 1 | — | 2 | — | — | — | — |
Temp °C | 18 | 20 | 23 | 21 | 26 | 27 | 22 | 20 | 19 | 20 | 22 | 21 | 18 | 19 | 21 | 20 | 19 | 22 | 22 |
Feels °C | 16 | 19 | 21 | 19 | 25 | 25 | 21 | 19 | 17 | 19 | 23 | 21 | 18 | 21 | 22 | 21 | 20 | 22 | 23 |
Swell 1 Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 7 | E 6 | E 6 | E 6 | E 8 | E 9 | — | ESE 10 | — | ESE 11 | ESE 10 | ESE 10 | ENE 6 | ENE 6 | ENE 6 | E 6 |
| kJ | 35 | 31 | 30 | 32 | 19 | 21 | 7 | 5 | 2 | — | 10 | — | 11 | 9 | 9 | 34 | 18 | 10 | 9 |
Swell 2 Height (m) Direction Period (s) | — | — | — | ESE 8 | E 9 | E 9 | E 8 | — | — | — | — | — | — | — | — | SE 9 | SE 9 | ESE 10 | ESE 10 |
| kJ | — | — | — | 25 | 7 | 6 | 12 | — | — | — | — | — | — | — | — | 3 | 3 | 9 | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SE 7 | — | E 8 | — | — | — | — | — | — | — | — | — | — | SE 7 | — |
| kJ | — | — | — | — | 2 | — | 6 | — | — | — | — | — | — | — | — | — | — | 2 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SSW 2 | SSE 2 | SSE 4 | SE 4 | ESE 5 | E 5 | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | NNE 4 | — | — | — |
| kJ | — | — | — | 1 | 1 | 8 | 2 | 28 | 59 | 95 | 156 | 179 | 160 | 103 | 80 | 6 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 55 | 117 | 805 | 7 | 578 | 1945 | 399 | 190 | 131 | 31 | 79 | 32 | 17 | 17 | 104 | 67 | 117 | 109 | 79 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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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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