Surf Forecasts:
Nahant Beach surf forecast from 15 Sep 2026:
- Best quality surf: Sunday 20 Sep, 5PM (local time) - 3ft (0.9m), 6s period, SE swell with offshore winds.
- Most powerful swell: Monday 21 Sep, 11AM (local time) - 5ft (1.6m), 6s period, NE swell with 194 kJ wave energy.
- Next surfable swell (1★+): Sunday 20 Sep, 5PM (local time) - 3ft (0.9m), 6s period with SE swell.
Best Forecast Surf Conditions for Nahant Beach this week:
The surf forecast for Nahant Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 20) at 5PM. The primary swell is predicted to be 0.9m and 6s period with a secondary swell of 0.3m and 9s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Nahant Beach in the next 16 days are 1.6m 6s and forecast to arrive on Monday (Sep 21) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Sunday (Sep 20) at 2PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Sun 20th Sep) | 3ft (0.9m) 6s |
| Best Surf | 5PM (Sun 20th Sep) | 3ft (0.9m) 6s |
| Most Powerful | 11AM (Mon 21st Sep) | 5ft (1.6m) 6s |
Table - best surf conditions forecast for Nahant Beach over the next 16 days.
The Lowdown
Alright, Rusty here, let’s talk about what’s going on at Nahant Beach.
Honestly, folks, I’m looking at a pretty bleak stretch ahead. The next two weeks are shaping up as a real flat spell for Nahant. There’s no standout surf to get excited about. It’s a classic case of nothing for the beginner-friendly, exposed beach here. We’ve got a solid gap from now all the way through until maybe the 20th where the surf is just not offering anything worth paddling out for. After that, it gets a tiny bit better, but still nothing to write home about.
Starting off, from September 15th through the 19th, it’s all tiny, weak junk. Knee-high or smaller, with poor quality. The wind isn't doing us any favors either, mostly cross-on or onshore. The combined swell energy is just pathetic, staying under 70 (moderate wave energy). The water temp is about average for this time of year, so no surprise there.
Then on September 20th, Sunday afternoon, we finally get a glimmer. The wind goes offshore from the W at 12 mph, cleaning things up. Swell is a measly 1 foot from the SE with a short period of 6 seconds. It’s surfable, but very ordinary. The combined energy is still only 75 (moderate wave energy), so it’s the best of a bad bunch, but that ain't saying much.
The 21st brings a pulse of swell – 5 feet from the NE (combined energy 198). But the wind is junk from the NE and ESE, ruining it. It’s a messy, choppy mess. Not for beginners at that size with those conditions.
After that, it’s back to tiny through the end of the month. The 26th and 28th show some energy in the water, around 3 to 4 feet, with combined energy in the 130-186 range, but again, the wind is cross-on and the period is short, so the waves will be crumbly and weak. Nothing that’s going to get my heart racing.
In short, it’s a long flat run for Nahant. The only time you’ll see anything rideable is Sunday the 20th afternoon, and even then, it’s barely worth the drive. The setup here is a beach, so with no real swell and poor wind, it's not even interesting for kite surfing. Forecasts can change, but right now, I’d save your energy.
Rusty.
Short Range ForecastMostly dry. Warm (max 25°C on Wed afternoon, min 13°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 7mm), mostly falling on Sun afternoon. Warm (max 23°C on Fri afternoon, min 13°C on Sat morning). Winds increasing (calm on Fri night, fresh winds from the SSW by Sun morning). | ||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||
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 6 | NE 5 | ENE 5 | ENE 5 | E 6 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | NE 4 | ENE 5 | ENE 6 | SE 4 | SSE 5 | SE 6 | NNE 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 75 | 30 | 23 | 9 | 7 | 8 | 17 | 17 | 16 | 15 | 15 | 15 | 13 | 39 | 33 | 23 | 71 | 56 | 30 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-off | cross-off | cross-off | off | cross-on | cross-on | cross-off | cross | glassy | cross-on | on | cross-on | cross | cross-off | off | cross |
High Tide | 2:36AM2.80m | 2:50PM2.94m | 3:23AM2.64m | 3:34PM2.83m | 4:12AM2.48m | 4:23PM2.71m | 5:05AM2.35m | 5:16PM2.61m | 6:02AM2.26m | 6:14PM2.55m | 7:03AM2.24m | 7:14PM2.55m | |||||||
Low Tide | 8:22PM-0.03m | 8:36AM0.20m | 9:08PM0.09m | 9:20AM0.35m | 9:56PM0.23m | 10:07AM0.51m | 10:48PM0.36m | 10:58AM0.63m | 11:44PM0.47m | 11:54AM0.71m | 00:43AM0.52m | 12:53PM0.72m | 1:42AM0.51m | ||||||
 |  | |  |  | | | |  |  | | | | | | |  | |  | |
 | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — |
 | 6:54 | — | 6:53 | — | — | 6:52 | — | — | 6:50 | — | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 1 | 1 | 4 | 1 |
Temp °C | 18 | 14 | 15 | 14 | 18 | 25 | 24 | 20 | 20 | 18 | 21 | 23 | 20 | 15 | 16 | 16 | 22 | 22 | 17 |
Feels °C | 13 | 12 | 13 | 11 | 15 | 24 | 23 | 20 | 20 | 19 | 19 | 22 | 20 | 12 | 13 | 13 | 19 | 21 | 16 |
Swell 1 Height (m) Direction Period (s) | SE 8 | ESE 9 | ENE 5 | ENE 5 | E 6 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 7 | ENE 6 | NE 6 | ESE 11 | SE 6 | SE 8 |
| kJ | 16 | 8 | 23 | 9 | 7 | 8 | 17 | 17 | 16 | 15 | 15 | 15 | 12 | 11 | 33 | 8 | 11 | 56 | 17 |
Swell 2 Height (m) Direction Period (s) | E 15 | SE 7 | ESE 9 | ESE 9 | E 9 | ESE 9 | E 13 | E 13 | E 12 | NE 4 | E 12 | ENE 3 | ESE 12 | ESE 12 | ESE 7 | ESE 8 | E 11 | ESE 9 | E 11 |
| kJ | 4 | 2 | 8 | 8 | 2 | 7 | 3 | 12 | 12 | 2 | 11 | 1 | 13 | 13 | 10 | 11 | 9 | 17 | 2 |
Swell 3 Height (m) Direction Period (s) | — | E 15 | E 15 | E 14 | NE 4 | E 13 | SE 9 | E 9 | E 9 | E 12 | E 9 | ESE 12 | SE 6 | E 8 | E 11 | E 11 | NE 5 | E 11 | ESE 11 |
| kJ | — | 4 | 4 | 4 | 1 | 4 | 3 | 2 | 2 | 12 | 2 | 14 | 2 | 5 | 10 | 9 | 1 | 2 | 11 |
Wind waves Height (m) Direction Period (s) | NE 6 | NE 5 | — | — | — | SSE 3 | — | NNE 3 | NNE 4 | — | NNE 2 | — | NE 4 | ENE 5 | — | SE 4 | SSE 5 | WSW 3 | NNE 5 |
| kJ | 75 | 30 | — | — | — | 2 | — | 4 | 6 | — | 1 | — | 12 | 39 | — | 23 | 71 | 6 | 30 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 97 | 657 | 650 | 673 | 651 | 556 | 365 | 346 | 993 | 754 | 190 | 531 | 97 | 1248 | 1248 | 1248 | 556 | 0 | 43 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Nahant Beach Surf forecast
The above surf forecast table for Nahant Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Nahant Beach can be found by selecting the local surf guide option on the grey menu. Our Nahant 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 (Nahant 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 Nahant 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.
Nahant Beach is 7 km (4 miles) from Lynn. If you plan a vacation in Massachusetts, look for hotels and other accommodation in Lynn. Lynn has rooms for a wide range of budgets as well as car hire and transport links.
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