Reef
left
Level 8/10

Thunders

Mentawai, Indonesia
🪸Sharp reef😮‍💨Hold-downs🏝️Remote

Thunders earns its ominous name when solid south swells pour into the Playgrounds zone—a heavy, bowling left that detonates over shallow reef with serious intent. This is where the Mentawai experience steps up in intensity, demanding committed takeoffs and fast tube navigation. The wave jacks up dramatically on the takeoff before pitching into thick, grinding barrels that seem to thunder with each impact. It's not for the faint-hearted, but for surfers ready to match its power, Thunders delivers some of the most satisfying tubes in the island chain.

Thunders surf forecast

Model forecast for swell, wind and tide.

10-Day Forecast
Sun20
59
Fair
2.5m@13s
15km/h
Mon21
56
Fair
2.2m@12s
13km/h
Tue22
66
Good
1.3m@14s
9km/h
Wed23
40
Poor
1.7m@13s
14km/h
Thu24
28
Poor
1.5m@12s
15km/h
Fri25
48
Fair
1.3m@12s
11km/h
Sat26
68
Good
1.6m@16s
10km/h
Sun27
81
Firing
2.5m@15s
8km/h
Mon28
68
Good
2.0m@14s
11km/h
Tue29
60
Fair
1.8m@12s
10km/h
Groomed 5+ days out, less certain

Today's Conditions

Find Flights
Best session: AfternoonAM 15 km/h · PM 14 km/h · High tide at 12pm (0.4m)
Swell
2.5m
SSW(206°)
Score: 25/25
Period
13s
Medium period swell
Score: 8/25
Wind
15km/h
SE(143°)
Score: 14/25
Weather
28°C
0.0mm60%
First light 5:39amSunrise 6:09amSunset 6:15pmLast light 6:45pm
Windswell0.6m@3sSecondary1.1mConfidence
100%

Location & Conditions

Loading map...
0°45°90°135°180°225°270°315°NESW
Swell
Wind
Showing forecast for today

Hourly Forecast, Tide & Strike Windows

No ideal tide during daylight todayIdeal tide: 0.6–1.6m
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
°C
25°
27°
30°
30°
27°
26°
29°
30°
29°
27°
24°
26°
29°
29°
27°
26°
28°
30°
29°
27°
26°
29°
30°
29°
27°
26°
27°
30°
27°
27°
25°
26°
29°
29°
27°
24°
26°
30°
30°
27°
24°
26°
30°
30°
28°
27°
28°
31°
30°
27°
3m1.5
sec
14s
14s
13s
13s
13s
12s
12s
12s
12s
12s
11s
13s
15s
16s
13s
14s
14s
14s
13s
13s
12s
12s
12s
12s
12s
11s
11s
17s
12s
12s
17s
15s
17s
16s
16s
15s
15s
15s
15s
15s
14s
14s
14s
14s
13s
11s
12s
12s
12s
12s
swell
windkm/h
14g25
16g37
15g39
14g35
14g32
12g23
11g27
13g31
16g37
16g36
5g13
9g22
8g26
9g24
12g25
12g26
12g32
13g35
16g37
16g41
13g28
13g31
16g38
19g44
16g44
10g27
9g27
12g31
12g31
13g32
10g25
9g26
11g29
10g32
10g33
10g28
7g29
8g27
7g30
8g34
12g22
12g26
10g30
10g34
11g38
9g25
8g28
12g32
12g35
11g35
tidem
7:30am0.3m
12:30pm0.4m
4:10pm0.3m
1:00am0.6m
9:00am0.3m
3:00pm0.4m
7:30pm0.4m
2:30am0.7m
9:30am0.2m
3:42pm0.5m
8:50pm0.3m
3:18am0.7m
10:00am0.2m
4:10pm0.6m
9:40pm0.3m
3:56am0.8m
10:16am0.1m
4:30pm0.7m
10:21pm0.2m
4:30am0.8m
10:54am0.1m
5:03pm0.8m
5:10am0.8m
11:18am0.1m
5:30pm0.9m
5:46am0.9m
11:42am0.1m
6:02pm1.0m
6:13am0.8m
12:10pm0.1m
6:30pm1.1m
1:00am0.0m
Ideal tideStrike windowDanger tideNight

Tide times today

7:30 am
Low tide - 0.29m
12:30 pm
High tide - 0.36m
4:10 pm
Low tide - 0.32m
Times shown in spot-local time.

Strike Score Breakdown

59
Fair
Components
Swell Direction19/25
Swell Size25/25
Swell Period8/25
Wind14/25
Raw Score66/100
Adjustments
🌊 Tide-2
💨 Gusty Wind-5
Adjusted Score59/100
Confidence
Multiplier×1.00
Final Score59
🌊 Too low for this tide window

Plan Your Strike

Return flights to PDG, departing today with a 5-day trip window.

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Swell Requirements

Optimal direction
SW (215°)
Direction range
195° - 245°
Size range
1.2m - 3.5m
Ideal size
2.2m - 2.9m
Height multiplier
0.97×
Ideal period
16s+

Wind Requirements

Optimal direction
ESE (115°)
Offshore range
75° - 155°

Tide Requirements

Optimal tide
mid to high
Optimal range
0.6m - 1.6m
Danger below
0.3m

Water temp

28°C

Wetsuit

Boardshorts / Rashguard

Difficulty

8/10

Crowd level

2/10

Access: Boat charter from Padang. Playgrounds area.

Frequently Asked Questions

What tide is best at Thunders?

The Thunders profile favors mid to high tide, ideally between 0.6m and 1.6m on the local tide chart. Compare this preference with the forecast tide and local conditions before choosing a session. The profile flags a low-tide hazard below 0.3m.

What wind direction is offshore at Thunders?

The Thunders profile uses wind from ESE (115°) as its preferred direction, with an offshore range of 75° to 155°. Wind speed matters too: light winds outside that range can still produce surfable conditions, while strong offshore winds can make takeoffs difficult.

What swell size and direction work best at Thunders?

The Thunders scoring profile favors swell from SW (195° to 245°), a swell-height range of 1.2m to 3.5m, and a reference period of 16s. These are model inputs, not guaranteed breaking-wave heights or a promise that the surf will suit every ability.

When is the best time of year to surf Thunders?

The main season at Thunders is Apr-Oct. April-October. Needs solid swell to work properly.

How do I get to Thunders?

The spot profile lists PDG as a nearby airport. A boat transfer is also required. The profile estimates $200 USD; confirm the current price and departure point with an operator. Boat charter from Padang. Playgrounds area.

What kind of wave is Thunders?

Thunders is a reef break, a left-hander. Difficulty is rated 8/10.

Best Season

Peak: Apr-Oct

April-October. Needs solid swell to work properly.

Getting There

Airport
PDG
Drive time
0 min
Boat required
$200
Data quality
community

Strike Log

Community Discussion