Nantasket Beach Surf Break

Lat Long: 42.31° N 70.88° W

Nantasket Beach Surf Forecast and Surf Report

Issued: 7 pm 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nantasket Beach sea temperature is
19.9°C
0.0° 

Nantasket Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Nantasket Beach surf forecast from 27 Aug 2026:

  • Most powerful swell: Wednesday 2 Sep, 8AM (local time) - 4.5ft (1.4m), 6s period, E swell with 163 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 1.4m 6s and forecast to arrive on Wednesday (Sep 02) at 8AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 2s period and expected on Sunday (Aug 30) at 5AM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 8AM (Wed 2nd Sep)4.5ft (1.4m) 6s

Table - best surf conditions forecast for Nantasket Beach over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s have a look at what’s coming up for Nantasket Beach over the next couple of weeks.

Right off the bat, I gotta be straight with you – the next ten days or so are a real struggle. There’s barely a wave worth paddling for. For the first week, from Wednesday the 26th of August all the way through to the end of the month, we’re looking at tiny, weak swell. Swell heights are mostly between 0.3 ft and 2 ft, with the combined energy barely ticking over, often in the single digits or low tens (39 down to 3). The wind is all over the place, but the wave energy just isn’t there. It’s a proper flat spell. You’d be better off checking the wind forecast for a kite session if that’s your thing, because for a surfboard, it’s a no-go.

Moving into the first days of September, it’s more of the same story. The 1st and 2nd have a bit of wind, but the swell is still tiny and weak. The energy stays pathetic (13 to 29). The 3rd of September (Thursday) is a little more promising with the swell height creeping up to 2 ft and energy hitting 45, but the wind is onshore, so it’s gonna be messy. Not worth the drive.

Then, things start to get interesting toward the end of the first week of September. On Friday the 4th, we finally see a pulse of real size. The swell jumps to 5 ft in the morning and 6 ft in the afternoon from the NE, with a period of 7-8 seconds. The combined energy jumps into the hundreds (244 and 373), which is a solid kick of moderate wave energy. But here’s the catch – the wind is a cross-onshore from the SSE, so it’s gonna be choppy and lumpy. The report says “poor surf conditions,” and I’m inclined to agree. For a beach break, that NE swell with a short period and onshore wind is going to be a mess. It’s more of a windswell than anything clean.

The weekend of the 5th and 6th of September is a wild card but not for the faint of heart. We’ve got near gale-force winds howling from the NNW and N at 31-34 mph. The swell drops a bit to 4-4 ft, but the energy stays moderate (194-230). The wind is cross-off or cross-shore, so the surface might be clean in the morning, but with that wind strength, it’s going to be an absolute battle. This is strictly for the hardcore crew with big balls and bigger boards. The period is 9 seconds, so it’s still a bit short and won’t have much shape. Honestly, with that wind, the setup looks more interesting for kite surfing than paddle surfing.

The only standout that might be worth a mention is the very end of the forecast. On Wednesday the 9th of September, we get a tiny window. The swell is tiny (1.0 ft) from the ENE, but the wind goes glassy in the afternoon. The energy is still weak (15), but if you’re desperate for a glide and own a foamie, it might be the most peaceful session of the whole run. The 10th of September sees clean offshore winds, but the swell is gone again (0.7-1 ft).

So, the honest truth? There’s no proper standout here. The best on offer is a toss-up between the lumpy, onshore 6 ft wave on the 4th for the bodyboarders, or the wild, windy challenge on the 5th for the adrenaline junkies. If you’re looking for clean, lined-up waves, you’re out of luck. It’s a tough run for Nantasket. Forecasts can change, though, so keep an eye on it.

Rusty.

Short Range Forecast

Moderate rain (total 12mm), heaviest on Fri morning. Warm (max 28°C on Thu afternoon, min 17°C on Sat morning). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 2mm), mostly falling on Sun night. Warm (max 30°C on Sun afternoon, min 18°C on Mon morning). Wind will be generally light.

Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
E
9
0.5
E
8
0.4
ESE
9
0.4
ESE
8
0.4
ESE
8
0.3
ESE
8
0.3
ESE
8
0.7
NE
5
0.6
NE
5
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.1
SE
8
0.1
SE
8
0.3
E
3
1.5
ENE
6
1.2
ENE
6
1.2
E
6
Wave Graph
Metric surfscale
Energy kJ
38
37
25
24
26
12
12
22
18
7
7
7
7
3
3
3
161
112
113
Wind (km/h)
10
SW
15
SSW
25
SSW
15
SSW
10
SSW
10
WNW
15
N
10
NNE
15
ESE
15
WSW
15
WSW
20
WSW
10
WNW
15
NE
15
E
10
SE
15
ESE
15
E
10
E
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
on
cross-off
cross-off
cross-off
off
cross-on
on
cross-on
cross-on
on
on
High Tide
11:04PM2.90m
11:35AM2.65m
11:43PM2.96m
12:11PM2.76m
00:22AM3.00m
12:48PM2.87m
1:02AM3.00m
1:24PM2.97m
1:43AM2.97m
2:03PM3.04m
2:26AM2.91m
2:44PM3.09m
3:13AM2.81m
Low Tide
5:23AM0.14m
5:30PM0.28m
5:59AM0.07m
6:10PM0.18m
6:35AM0.02m
6:50PM0.09m
7:12AM-0.01m
7:32PM0.02m
7:50AM0.00m
8:15PM-0.03m
8:31AM0.04m
9:02PM-0.04m
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
part cloud
light rain
rain showers
part cloud
part cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:03
6:05
6:05
6:07
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:28
7:25
7:23
7:22
7:21
7:19
7:17
 mm
2
3
4
3
1
1
Temp °C
23
26
28
23
25
28
25
19
21
20
26
30
23
21
20
18
20
20
19
Feels °C
22
25
25
23
27
29
27
18
19
19
23
27
21
21
19
18
17
17
18
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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