Surf Forecasts:
Nantasket Beach surf forecast from 12 Jul 2026:
- Most powerful swell: Friday 17 Jul, 11AM (local time) - 1.5ft (0.5m), 4s period, N swell with 10 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 0.5m 4s and forecast to arrive on Friday (Jul 17) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Monday (Jul 13) at 11PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 11AM (Fri 17th Jul) | 1.5ft (0.5m) 4s |
Table - best surf conditions forecast for Nantasket Beach over the next 16 days.
Alright folks, Rusty here. Let’s take a long, hard look at what Nantasket Beach has cookin’ for us over the next couple weeks, and I gotta be straight with ya – it’s a tough stretch.
Right off the bat, the overall pattern is flat and frustrated. We’ve got a big gap of nothing but tiny, blown-out junk from Sunday the 12th all the way through the end of that week. You’re lookin’ at days of ankle-snappers with aggressive cross-shore winds, and the occasional bit of clean glass is wasted on waves that barely reach your shins. There’s a serious dry spell here with no real recommendations for the first week. We’re talking a full 9 days of just paddling practice, if you’re lucky.
Then, on Monday the 21st of July, things finally try to wake up. The combined swell energy creeps up into the moderate zone, and for the first time we get a shot of glassy conditions early in the morning. The water's sitting at 69° at the start of all this, which is a touch warmer than what we’d expect for the middle of summer – a nice little bonus if you’re wearing a shorty.
The standout moment, and truly the only one worth circling on your calendar, is the Tuesday the 21st. We’ve got a clean 3 ft swell coming from the east, and when that Tuesday morning rolls around with the wind going completely glassy, that’s your window. It’s not gonna light the world on fire, but it’s the best quality on offer. The swell period is a short 7 seconds, so it’ll feel a bit soft and lumpy, but for Nantasket, clean 3 ft is a session. The break is consistent and exposure is to the NE, which matches up with that east swell direction well enough. Keep an eye on the crowds though – it’s a spot that can get *sometimes* busy, and on a day like that, every log in town will be out.
Beyond that, the second week offers a couple more glimpses. Sunday the 26th of July gives us a cleaner look with a gentle offshore wind in the morning and a little 1 ft swell from the southeast. That Tuesday morning the 21st is your best bet, hands down. It’s a long wait for a small window, but that’s the call.
Stay patient, locals. Don't force it. That glassy Tuesday morning is the one.
- Rusty
Short Range ForecastMostly dry. Warm (max 36°C on Tue afternoon, min 19°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 31°C on Wed morning, min 19°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | |||||||||||||||
AM | 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) | E 7 | NE 4 | E 7 | E 10 | E 9 | E 9 | SE 9 | E 9 | SE 9 | SE 9 | E 16 | E 16 | E 15 | E 15 | E 15 | N 4 | NNE 4 | E 14 | E 14 | E 13 | E 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 4 | 4 | 4 | 2 | 7 | 2 | 3 | 2 | 3 | 3 | 5 | 5 | 4 | 4 | 5 | 10 | 6 | 4 | 4 | 3 | 3 |
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-off | cross-off | off | off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross | cross-on | cross | cross-on |
High Tide | 9:48AM2.70m | 10:00PM3.34m | 10:46AM2.80m | 10:58PM3.41m | 11:42AM2.88m | 11:54PM3.44m | 12:38PM2.95m | 00:50AM3.41m | 1:32PM3.01m | 1:45AM3.33m | 2:24PM3.02m | 2:38AM3.20m | 3:14PM3.01m | 3:31AM3.02m | |||||||
Low Tide | 3:42PM0.14m | 4:33AM-0.26m | 4:40PM0.06m | 5:29AM-0.34m | 5:37PM0.00m | 6:24AM-0.38m | 6:33PM-0.04m | 7:17AM-0.37m | 7:29PM-0.04m | 8:08AM-0.31m | 8:24PM-0.01m | 8:57AM-0.20m | 9:18PM0.06m | ||||||||
 | |  | |  |  | | | | |  | | | | | | | | | |  | |
 | 5:16 | — | — | 5:18 | — | — | 5:18 | — | — | 5:18 | — | — | 5:20 | — | — | 5:20 | — | — | 5:22 | — | — |
 | — | 8:20 | — | — | 8:19 | — | — | 8:19 | — | — | 8:17 | — | — | 8:16 | — | — | 8:16 | — | — | 8:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 |
Temp °C | 22 | 23 | 22 | 26 | 28 | 22 | 30 | 36 | 34 | 31 | 31 | 29 | 29 | 31 | 26 | 23 | 27 | 25 | 25 | 26 | 21 |
Feels °C | 20 | 21 | 20 | 24 | 25 | 19 | 27 | 33 | 32 | 31 | 32 | 29 | 27 | 28 | 23 | 20 | 25 | 24 | 22 | 23 | 20 |
Swell 1 Height (m) Direction Period (s) | E 7 | NE 3 | ENE 4 | E 7 | E 9 | SE 4 | SE 9 | E 9 | SSE 4 | SE 9 | — | SE 9 | SE 9 | SE 9 | NNE 3 | E 8 | NNE 4 | NNE 4 | E 14 | E 13 | — |
| kJ | 4 | 2 | 1 | 1 | 7 | 1 | 3 | 2 | 2 | 3 | — | 3 | 3 | 3 | 1 | 1 | 6 | 1 | 4 | 3 | — |
Swell 2 Height (m) Direction Period (s) | E 9 | E 7 | E 7 | E 10 | E 6 | E 9 | E 7 | — | SE 9 | — | SE 9 | — | E 15 | E 15 | E 8 | E 15 | E 8 | E 14 | SE 8 | E 8 | E 13 |
| kJ | 2 | 4 | 4 | 2 | 1 | 2 | 1 | — | 3 | — | 3 | — | 4 | 4 | 1 | 4 | 1 | 4 | 3 | 1 | 3 |
Swell 3 Height (m) Direction Period (s) | — | E 10 | E 10 | — | — | E 8 | — | E 8 | — | — | E 16 | E 16 | — | — | E 15 | — | E 14 | — | — | — | E 8 |
| kJ | — | 2 | 2 | — | — | 1 | — | 1 | — | — | 5 | 5 | — | — | 5 | — | 4 | — | — | — | 1 |
Wind waves Height (m) Direction Period (s) | NE 3 | NE 4 | — | — | SSE 3 | SW 3 | SW 2 | WSW 3 | WSW 3 | — | — | — | — | — | — | N 4 | — | — | — | SSE 2 | — |
| kJ | 3 | 3 | — | — | 5 | 2 | 1 | 3 | 3 | — | — | — | — | — | — | 10 | — | — | — | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 531 | 653 | 655 | 655 | 1643 | 549 | 560 | 340 | 108 | 113 | 93 | 113 | 160 | 2511 | 160 | 1842 | 2511 | 523 | 531 | 1235 | 336 |
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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