Tongo Reef Surf Break

Lat Long: 0.91° S 89.63° W

Tongo Reef Surf Forecast and Surf Report

Issued: 5 pm 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Tongo Reef sea temperature is
25.4°C
4.7° 

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


Tongo Reef surf forecast from 27 Aug 2026:

  • Best quality surf: Friday 28 Aug, 12AM (local time) - 4.5ft (1.3m), 18s period, SW swell with cross-offshore winds.
  • Most powerful swell: Friday 28 Aug, 12PM (local time) - 6ft (1.8m), 16s period, SW swell with 1,685 kJ wave energy.
  • Next surfable swell (1★+): Thursday 27 Aug, 3AM (local time) - 2ft (0.6m), 16s period with SW swell.

Best Forecast Surf Conditions for Tongo Reef this week:

The surf forecast for Tongo Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 27) at 3AM. The primary swell is predicted to be 0.6m and 16s period with a secondary swell of 1.0m and 7s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Tongo Reef in the next 16 days are 1.8m 16s and forecast to arrive on Friday (Aug 28) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Monday (Aug 31) at 12PM.

Wave TypeTime (-06) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Thu 27th Aug)2ft (0.6m) 16s
Best Surf12AM (Fri 28th Aug)4.5ft (1.3m) 18s
Most Powerful12PM (Fri 28th Aug)6ft (1.8m) 16s

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


The Lowdown

G’day, Rusty here.

We’ve got a bit of a slow burner on our hands for the next week and a bit, but there’s some serious potential brewing for the end of the run. The ocean’s gonna be a bit sleepy to start, but it’s worth keeping an eye on the horizon.

The first real chance of a wave comes on Wednesday afternoon, August 26th. Tongo Reef (a solid reef setup, exposed to the S) will have some small SW swell rolling in at 2ft. It’s not much, and the conditions are a bit marginal, but it’s a start. The water is sitting at 78°F, which is a whopping 9°F warmer than usual for this time of year—that’s a real anomaly, the water’s properly toasty.

Thursday stays pretty quiet, with the swell slowly building through the day—2ft in the morning, bumping up to 3ft by the afternoon. Winds are cross-off and light, so it’ll be clean but still pretty small. We’re looking at weak to moderate energy readings, around 558 and 879 on Thursday.

Now, Friday morning, August 28th, is where things start to get interesting. The swell jumps to 6ft from the SW, with a period of 16 seconds. That’s proper groundswell, and the energy readings are starting to pump—1543. With a light cross-off breeze, it’s going to be clean and lined up. This is the first real standout of the forecast. It’s going to be a bit much for beginners at 6ft, but for the experienced crew, it’s going to be firing. The afternoon does get a bit messier with a cross-shore chop, so make the most of the morning.

The weekend sees the swell ease off a bit. Saturday, August 29th, still has 5ft in the morning from the SW, but the period drops to 14 seconds, and the energy is down to 978. Still surfable, but not as powerful. By Sunday, we’re down to 4ft and the energy is dropping fast. The whole of the following week (August 31st to September 2nd) is looking pretty weak, with swell dropping to 3ft and periods all over the shop. It’s going to be a flat spell—a few days where you might as well leave the board in the car.

But don’t write it off. The models are showing a decent pulse filling in again for the first weekend of September. Thursday, September 3rd, the swell jumps back up to 5ft from the SW with a 17-second period. Energy readings are back up to 1704, so this is looking like another solid pulse of groundswell. Friday, September 4th, holds similar size (5ft) but the period eases off a touch. This is looking like a fun run of waves, and the conditions are staying clean.

The real gem, though, might be Wednesday morning, September 9th. The forecast shows 5ft of SW swell, a 15-second period, and the energy reading is the highest of the whole outlook at 1952. That’s a powerful, well-ordered swell. With a light cross-off wind, it’s looking like the best conditions of the whole window. It’s a long way out, so treat it as promising, but this has the makings of a proper session.

So, to sum it up: the near-term is small, but Friday the 28th is your best early call. Then we go flat for a stretch before the groundswell starts kicking in again around September 3rd, with the pick of the bunch looking like the 9th. Keep an eye on that one.

Stay stoked,
Rusty

Short Range Forecast

Mostly dry. Warm (max 24°C on Wed afternoon, min 23°C on Wed night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 24°C on Sat afternoon, min 23°C on Mon night). Wind will be generally light.

Wed
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
2
2
4
4
2
3
3
2
2
2
2
0
1
1
2
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SSW
18
0.6
SW
16
0.7
SW
19
0.8
SW
19
1.3
SW
18
1.7
SW
16
1.8
SW
16
1.7
SW
15
1.6
SW
14
1.4
SW
14
1.3
SW
13
1.2
SW
13
1.2
SW
13
1.2
SSW
12
1.1
SW
12
1.1
SW
12
1.1
SW
13
0.8
SW
17
0.8
SW
16
1.3
S
12
Wave Graph
Metric surfscale
Energy kJ
209
214
365
526
1087
1456
1664
1212
978
787
569
501
486
403
336
309
382
354
326
472
Wind (km/h)
20
SSE
15
S
15
SSW
20
S
15
S
10
S
20
SSW
15
SSW
15
SSE
20
S
20
S
20
S
25
S
25
S
20
S
20
S
25
S
20
S
25
S
20
S
Wind State
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
2:16AM1.88m
2:23PM1.87m
2:49AM1.98m
2:58PM1.94m
3:21AM2.05m
3:32PM1.98m
3:52AM2.10m
4:07PM2.00m
4:25AM2.12m
4:43PM1.98m
5:00AM2.09m
5:22PM1.94m
Low Tide
8:05PM0.36m
8:28AM0.45m
8:38PM0.28m
9:00AM0.35m
9:10PM0.23m
9:33AM0.27m
9:42PM0.20m
10:05AM0.22m
10:15PM0.20m
10:40AM0.20m
10:49PM0.23m
11:16AM0.22m
11:26PM0.29m
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<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
5:56
5:56
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:02
6:01
6:01
6:01
6:00
6:00
6:00
 mm
Temp °C
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
23
Feels °C
23
24
24
24
24
25
24
25
25
24
25
24
24
24
24
24
24
24
23
23
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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 Tongo Reef Surf forecast

The above surf forecast table for Tongo Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Tongo Reef can be found by selecting the local surf guide option on the grey menu. Our Tongo Reef 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 (Tongo Reef) 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 Tongo Reef 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 holiday in Galapagos - San Cristobal? If you are looking for accommodation near Tongo Reef, camping, hotels and holiday cottages in Galapagos - San Cristobal, consider staying in Galapagos Islands which is 3 km (2 miles) away. Other places in and around Galapagos - San Cristobal where you can find information about places to rent, and car hire include San Cristobal which is 53 km (33 miles) away and Bahia de la Academia, 79 km (49 miles) away.

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