Surf Forecasts:
Nahant Beach surf forecast from 19 Sep 2026:
- Best quality surf: Friday 25 Sep, 8AM (local time) - 15ft (4.5m), 10s period, ENE swell with cross-offshore winds.
- Most powerful swell: Friday 25 Sep, 8AM (local time) - 15ft (4.5m), 10s period, ENE swell with 3,617 kJ wave energy.
- Next surfable swell (1★+): Friday 25 Sep, 8AM (local time) - 15ft (4.5m), 10s period with ENE 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 Friday (Sep 25) at 8AM. The primary swell is predicted to be 4.5m and 10s period with a secondary swell of 2.3m and 11s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Nahant Beach in the next 16 days are 4.5m 10s and forecast to arrive on Friday (Sep 25) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Friday (Sep 18) at 11PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Fri 25th Sep) | 15ft (4.5m) 10s |
| Best Surf | 8AM (Fri 25th Sep) | 15ft (4.5m) 10s |
| Most Powerful | 8AM (Fri 25th Sep) | 15ft (4.5m) 10s |
Table - best surf conditions forecast for Nahant Beach over the next 16 days.
Short Range ForecastModerate rain (total 12mm), heaviest on Sun night. Warm (max 25°C on Fri afternoon, min 12°C on Sat morning). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 19mm), heaviest on Thu morning. Very mild (max 16°C on Mon night, min 11°C on Tue morning). Winds increasing (light winds from the ENE on Mon night, strong winds from the NE by Thu morning). | |||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 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) | ESE 7 | NNE 4 | NE 6 | NE 6 | E 11 | ESE 11 | ESE 11 | ESE 8 | ESE 8 | ESE 8 | E 4 | E 6 | E 6 | E 6 | E 6 | E 7 | E 8 | E 8 | E 8 | ENE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 15 | 22 | 114 | 33 | 11 | 11 | 12 | 14 | 13 | 11 | 15 | 123 | 158 | 112 | 239 | 378 | 464 | 686 | 959 | 2790 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross |
High Tide | 5:16PM2.61m | 6:02AM2.26m | 6:14PM2.55m | 7:03AM2.24m | 7:14PM2.55m | 8:01AM2.28m | 8:12PM2.59m | 8:54AM2.37m | 9:04PM2.68m | 9:40AM2.51m | 9:51PM2.77m | 10:22AM2.65m | 10:35PM2.86m | |||||||
Low Tide | 11:44PM0.47m | 11:54AM0.71m | 00:43AM0.52m | 12:53PM0.72m | 1:42AM0.51m | 1:51PM0.67m | 2:36AM0.44m | 2:45PM0.57m | 3:24AM0.34m | 3:35PM0.43m | 4:06AM0.23m | 4:20PM0.28m | 4:46AM0.12m | |||||||
 |  | | |  |  |  |  |  | | | | |  | | |  |  | | | |
 | — | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — | 6:31 | — | — |
 | 6:47 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:40 | — | — | 6:38 | — | — | 6:37 | — |
mm | — | — | — | — | — | — | 2 | 10 | — | — | — | — | — | — | — | — | 2 | 17 | 20 | 10 |
Temp °C | 25 | 21 | 13 | 14 | 13 | 15 | 15 | 13 | 15 | 15 | 16 | 12 | 11 | 13 | 14 | 14 | 13 | 12 | 12 | 12 |
Feels °C | 23 | 17 | 9 | 10 | 9 | 12 | 13 | 12 | 11 | 11 | 14 | 7 | 5 | 8 | 9 | 9 | 8 | 5 | 3 | 2 |
Swell 1 Height (m) Direction Period (s) | ESE 7 | ESE 7 | NE 6 | NE 6 | ENE 5 | ESE 7 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 10 | E 14 | E 14 | E 13 | E 13 | — | — | — | S 12 | ESE 11 |
| kJ | 15 | 18 | 85 | 33 | 9 | 10 | 8 | 14 | 13 | 11 | 9 | 4 | 4 | 4 | 3 | — | — | — | 3 | 1873 |
Swell 2 Height (m) Direction Period (s) | E 12 | ESE 12 | ESE 12 | ESE 8 | ESE 7 | ESE 11 | ESE 7 | SE 7 | E 10 | SE 10 | E 7 | E 14 | — | — | — | — | — | — | — | — |
| kJ | 11 | 13 | 13 | 11 | 11 | 11 | 5 | 2 | 2 | 4 | 4 | 4 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 11 | E 11 | NE 5 | ESE 11 | SE 7 | — | ESE 8 | E 7 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 10 | 9 | 1 | 12 | 2 | — | 11 | 4 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNE 4 | NE 6 | — | — | ESE 3 | SE 4 | ESE 4 | ENE 4 | ENE 4 | E 4 | E 6 | E 6 | E 6 | E 6 | E 7 | E 8 | E 8 | E 8 | ENE 10 |
| kJ | — | 22 | 114 | — | — | 1 | 3 | 5 | 11 | 8 | 15 | 123 | 158 | 112 | 239 | 378 | 464 | 686 | 959 | 2790 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 190 | 529 | 43 | 1248 | 1241 | 900 | 47 | 280 | 516 | 283 | 127 | 1241 | 1241 | 761 | 1241 | 1243 | 2511 | 995 | 996 | 423 |
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 Nahant 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 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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