SwellByte

New Hampshire Surf Forecast

Free surf forecast for New Hampshire, United States — 4 surf spots. Wave height, swell, wind, tide and live buoy conditions with a 16-day outlook, no subscription, updated daily on SwellByte.

Best surf spot in New Hampshire by day

Top-rated of 4 spots each day

Surf spots in New Hampshire

Best wind spot in New Hampshire

Where the wind is best for kitesurfing, wing foiling and windsurfing over the next few days — rated on cross-shore direction and strength in knots, not on waves.

  • Mon 14 SeptThe WallFresh, cross-offshore, best around 12:00
  • Sun 20 SeptMain BeachModerate, cross-onshore, best around 15:00
  • Mon 21 SeptMain BeachPrime, cross-shore, gusty, best around 06:00
  • Wed 23 SeptMain BeachFresh, cross-onshore, best around 21:00

Monthly conditions in New Hampshire

How often each surf size shows up by month, 2020–2024, measured near The Wall. Bars fill from the bottom by the share of days reaching each surf size; white at the top is smaller days. The percentage is the chance of a surfable day.

2–4ft4–6ft6–8ft8–12ft12ft+
Jan
42%
Feb
44%
Mar
37%
Apr
31%
May
23%
Jun
4%
Jul
1%
Aug
5%
Sep
31%
Oct
27%
Nov
30%
Dec
36%
Swell period
10s
10s
10s
10s
9s
8s
8s
8s
10s
10s
10s
11s
Water temp
41°F
39°F
40°F
45°F
53°F
61°F
64°F
65°F
65°F
58°F
50°F
45°F