Tunnels Surf Break

Lat Long: 21.15° N 157.29° W

Tunnels Surf Forecast and Surf Report

Issued: 7 am 30 Aug 2026 (local time)

Forecast update in  hr  min

Today's Tunnels sea temperature is
27.1°C
0.3° 

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


Tunnels surf forecast from 31 Aug 2026:

  • Best quality surf: Saturday 5 Sep, 5PM (local time) - 4ft (1.2m), 8s period, S swell with offshore winds.
  • Most powerful swell: Saturday 5 Sep, 5AM (local time) - 5ft (1.5m), 10s period, S swell with 450 kJ wave energy.
  • Next surfable swell (1★+): Saturday 5 Sep, 5PM (local time) - 4ft (1.2m), 8s 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 Saturday (Sep 05) at 5PM. The primary swell is predicted to be 1.2m and 8s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Tunnels in the next 16 days are 1.5m 10s and forecast to arrive on Saturday (Sep 05) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 7s period and expected on Wednesday (Sep 02) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Sat 5th Sep)4ft (1.2m) 8s
Best Surf 5PM (Sat 5th Sep)4ft (1.2m) 8s
Most Powerful 5AM (Sat 5th Sep)5ft (1.5m) 10s

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


The Lowdown

Alright, let's take a look at what's coming up for the next couple of weeks.

Overall, it's a pretty quiet stretch, with a lot of small, clean but weak surf. The water temp is sitting around 81° at Tunnels, which is pretty normal for the time of year, so no surprises there.

The pattern is dominated by a persistent cross-off breeze from the ENE through most of the period. That keeps the surface clean, but the swell is small and the energy just isn't there. From Sunday the 30th through to Thursday the 4th of September, it's a real struggle. We're looking at waves mostly under 3 ft with a combined energy ranging from 160 to 504 (weak to moderate), and the swell is coming from the SSW with a long period of 14 to 18 seconds. That's a long-period groundswell, which can be a bit tricky at a beach break like Tunnels—it can make it break a bit too straight. The scores are all zero or one, so it's a flat spell.

There's a bit of a hiccup on Friday the 5th of September. The wind shifts to a light offshore from the ESE, which is a massive positive. Swell bumps up to 4 ft to 5 ft, but the period drops right off to just 6 to 8 seconds. That's short-period, wind-driven stuff, so it's not going to have much push. The energy is moderate (244 to 324). It's a marginal option, but if you're keen, it could be an interesting novelty.

After that, the pattern goes back to the same old story: small, long-period SSW swell and clean but onshore-angled wind from the 6th to the 8th of September. The swell energy spikes up to 723 (moderate) on the 7th, but the wind is strong (28 to 31 mph) and the waves are only 3 ft, so it's a bit of a washout. Wednesday the 9th of September might be the pick of the second week. The wind drops to a light breeze from the ENE at 6 mph, and the swell is 2 ft from the SSW with a 14-second period and a combined energy of 209 (weak). The wave comment says "expect good surf conditions" and it's clean. It's not a standout, but it's the best looking window.

The real highlight, if you can call it that, is Saturday the 12th of September. We've got a gentle offshore breeze from the E at 9 mph, with a 2 ft swell from the SSW at a very long 18-second period. The combined energy is 304 (moderate). It's clean, it's offshore, and the long period will give it some shape. It's a small day, but it's the most promising looking session of the whole run. The break is Tunnels, which is an intermediate spot, and it's fairly consistent. Crowds are often here, so keep that in mind. It's a consistent break, so it's worth a paddle.

The rest of the second week from the 11th to the 14th of September is much the same: small, long-period SSW swell with clean conditions but not enough size to get excited about. The wind is moderate to fresh from the ENE on most days.

So, to sum it up, the standout is Saturday the 12th for a clean, small, offshore session. The other potential is the Wednesday the 9th, but it's small. The run from the 30th to the 4th is a write-off, and the first week is mostly a gap for decent surf. Keep an eye on the 12th.

Rusty

Short Range Forecast

Mostly dry. Warm (max 26°C on Sun morning, min 25°C on Sun morning). Mainly fresh winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 27°C on Wed afternoon, min 25°C on Wed night). Winds decreasing (near gales from the ENE on Fri morning, moderate winds from the E by Fri night).

Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
AM
PM
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
1
0
0
0
0
0
0
0
0
0
0
0
1
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SSW
16
0.5
SW
15
0.7
SSW
15
0.5
SW
15
0.7
SSW
14
0.5
S
19
0.8
SSW
18
0.7
S
18
0.8
S
17
0.9
S
16
0.9
S
16
0.8
S
15
0.8
S
14
0.7
S
14
0.7
S
14
0.6
S
13
0.9
SSE
11
1.2
S
10
1.5
S
9
1.2
S
8
0.5
SSW
16
Wave Graph
Metric surfscale
Energy kJ
226
113
199
107
183
192
422
314
360
422
396
275
268
195
179
128
173
302
375
196
149
Wind (km/h)
30
ENE
35
ENE
30
ENE
30
ENE
35
ENE
30
ENE
30
ENE
35
ENE
30
ENE
30
ENE
30
ENE
35
ENE
40
ENE
45
ENE
50
ENE
45
ENE
45
ENE
30
E
25
E
20
E
25
E
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
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
High Tide
4:17PM0.57m
5:24AM0.57m
4:35PM0.51m
6:19AM0.59m
4:45PM0.44m
7:29AM0.60m
4:17PM0.39m
9:01AM0.62m
10:35AM0.66m
11:45AM0.71m
10:48PM0.23m
Low Tide
10:21AM0.22m
10:47PM0.11m
11:13AM0.28m
11:10PM0.09m
12:20PM0.34m
11:38PM0.09m
2:33PM0.39m
00:15AM0.09m
1:09AM0.11m
2:38AM0.12m
8:32PM0.22m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:11
6:11
6:11
6:13
6:13
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:46
6:45
6:45
6:44
6:43
6:42
6:40
 mm
1
3
3
Temp °C
26
26
26
26
26
26
26
26
26
26
27
26
26
26
25
26
26
26
27
27
27
Feels °C
24
24
25
24
24
24
25
24
24
24
26
25
22
22
21
22
21
22
28
27
29
  • 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 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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