Tunnels Surf Break

Lat Long: 21.15° N 157.29° W

Tunnels Surf Forecast and Surf Report

Issued: 1 pm 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's Tunnels sea temperature is
26.9° C
0.4° 

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


Tunnels surf forecast from 12 Aug 2026:

  • Best quality surf: Sunday 16 Aug, 11PM (local time) - 2ft (0.6m), 16s period, S swell with offshore winds.
  • Most powerful swell: Thursday 13 Aug, 2AM (local time) - 4.5ft (1.4m), 16s period, S swell with 1,029 kJ wave energy.
  • Next surfable swell (1★+): Sunday 16 Aug, 11PM (local time) - 2ft (0.6m), 16s period with S swell.

Best Forecast Surf Conditions for Tunnels this week:

The surf forecast for Tunnels over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 16) at 11PM. The primary swell is predicted to be 0.6m and 16s period with a secondary swell of 0.7m and 13s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Tunnels in the next 16 days are 1.4m 16s and forecast to arrive on Thursday (Aug 13) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 8s period and expected on Saturday (Aug 15) at 11PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Sun 16th Aug)2ft (0.6m) 16s
Best Surf11PM (Sun 16th Aug)2ft (0.6m) 16s
Most Powerful 2AM (Thu 13th Aug)4.5ft (1.4m) 16s

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


The Lowdown

Alright, Rusty here, looking at the next couple of weeks for us.

Honestly, it’s a slow start. There’s a big dry spell coming our way. The surf shows up on Tuesday August 11th, but it’s pretty miserable for almost a week and a half. You’ll be waiting until around the 22nd of August for anything that gets you excited. So yeah, a long gap of tiny, messy waves ahead.

For the first many days, the swell is small and the wind is a pain. A stiff cross-off breeze from the ENE is wrecking the little bit of energy we have. The combined energy is weak, sitting in the low hundreds at the start – nothing to get amped about. Waves are mostly under 3ft and the period is short, so no power. Water temp is about average for this time of year, nothing unusual.

Things start to look up on Saturday the 22nd of August. We see a small 2ft swell from the S, but with a super long period hitting 19 to 20 seconds. That’s real groundswell energy. The combined energy gets up to a moderate 531. The wind still blows cross-off from the ENE, so it’ll be clean. At Tunnels, that long S swell might be a little straight and fat, but after a week of nothing, it’s the first thing that’s worth a paddle. Expect some company, because it’s often crowded.

The real highlight, the one to plan for, is Sunday the 23rd to Tuesday the 25th of August. The swell builds to a consistent 3ft to 4ft from the S and SSW. The period stays good at 14 to 16 seconds, so the waves will have some shape and push. The combined energy is a solid moderate 857 to 886, so there’s some grunt. The wind holds as a clean ENE cross-off. It’s not a perfect pulse, but it’s the most consistent and surfable window in the whole 16-day forecast. At 3 to 4ft, it’s good for intermediates and fun for everyone.

After that, on the 26th, it starts to drop and the wind gets on it again. So, if you can, aim for that Sunday to Tuesday window at the end of August. That’s your shot.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 27°C on Tue afternoon, min 25°C on Tue night). Mainly fresh winds.

Days 5-7 Weather Summary

Heavy rain (total 36mm), heaviest during Sat night. Warm (max 28°C on Sun afternoon, min 25°C on Fri night). Winds decreasing (gales from the NE on Sat night, light winds from the E by Sun night).

Tue
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
1
1
3
1
1
1
1
0
0
0
0
0
1
1
2
2
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)
0.8
SSW
14
0.7
S
20
1
S
18
1
S
18
1.4
S
16
1.1
S
16
1.2
S
15
1.2
S
15
1.1
S
14
1
S
14
0.9
S
14
0.9
S
13
0.8
S
13
0.8
S
14
0.6
S
16
0.7
S
13
0.9
S
15
0.8
S
14
0.8
S
14
0.8
S
13
Wave Graph
Metric surfscale
Energy kJ
269
373
627
613
1029
605
653
636
508
411
297
280
219
236
185
168
367
268
261
219
Wind (km/h)
25
ENE
25
ENE
30
ENE
35
ENE
20
ENE
30
ENE
35
ENE
35
ENE
35
ENE
35
NE
40
ENE
45
NE
50
ENE
70
NE
30
ESE
20
SE
15
ESE
20
ENE
30
ENE
30
ENE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
cross-off
cross-off
cross-off
High Tide
3:02PM0.84m
2:40AM0.36m
3:35PM0.81m
3:29AM0.41m
4:06PM0.76m
4:17AM0.45m
4:32PM0.69m
5:05AM0.49m
4:55PM0.61m
5:57AM0.52m
5:11PM0.53m
6:55AM0.53m
5:17PM0.46m
Low Tide
10:04PM0.17m
8:20AM0.03m
10:27PM0.16m
9:06AM0.07m
10:49PM0.15m
9:52AM0.13m
11:12PM0.14m
10:39AM0.21m
11:34PM0.13m
11:29AM0.29m
11:56PM0.13m
12:31PM0.36m
00:19AM0.13m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:07
6:07
6:07
6:07
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:01
7:00
7:00
7:00
6:59
6:58
6:57
 mm
17
8
2
6
3
1
Temp °C
27
25
26
26
26
26
27
26
26
26
26
26
26
26
27
28
27
26
26
25
Feels °C
27
23
24
24
26
24
25
24
23
24
24
23
23
21
26
27
28
28
26
24
  • Map Icons:
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  • 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 Tunnels Surf forecast

The above surf forecast table for Tunnels provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Tunnels can be found by selecting the local surf guide option on the grey menu. Our Tunnels 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 (Tunnels) 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 Tunnels 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.

Are you planning a vacation in Molokai? If you are looking for accommodation near Tunnels, camping, hotels and condos and appartments in Molokai, consider staying in Kaunakakai - Molokai which is 20 km (12 miles) away. Other places in and around Molokai where you can find information about places to rent, and car hire include Lanai - Lanai which is 53 km (33 miles) away, Kailua, Honolulu and Kane'ohe.

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