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.

10-Day Forecast
Thu6
40
Poor
2.8m@14s
10km/h
Fri7
61
Fair
2.8m@13s
5km/h
Sat8
40
Poor
2.8m@13s
11km/h
Sun9
44
Poor
2.5m@13s
16km/h
Mon10
54
Fair
2.5m@17s
13km/h
Tue11
36
Poor
3.6m@13s
14km/h
Wed12
41
Poor
3.4m@11s
12km/h
Thu13
71
Good
2.9m@16s
11km/h
Fri14
61
Fair
3.2m@12s
4km/h
Sat15
53
Fair
2.5m@11s
5km/h
Groomed 5+ days out, less certain

Today's Conditions

Find Flights
Best session: AfternoonAM 11 km/h · PM 8 km/h
Swell
2.8m
SSW(197°)
Score: 25/25
Period
14s
Long period groundswell
Score: 14/25
Wind
10km/h
N(10°)
Score: 11/25
Weather
27°C
0.5mm65%
First light 5:55amSunrise 6:25amSunset 6:24pmLast light 6:54pm
Windswell0.1m@1sSecondary1.1mConfidence
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
23°
26°
29°
30°
28°
25°
29°
30°
27°
27°
25°
27°
30°
31°
28°
26°
28°
31°
30°
27°
25°
27°
31°
30°
28°
26°
28°
29°
29°
27°
26°
27°
30°
30°
28°
26°
28°
30°
30°
26°
24°
27°
31°
30°
27°
24°
26°
29°
28°
26°
4m2.0
sec
14s
14s
14s
14s
13s
13s
13s
13s
13s
13s
13s
13s
13s
13s
13s
13s
13s
13s
13s
12s
11s
18s
18s
15s
16s
13s
13s
13s
13s
13s
11s
11s
11s
11s
11s
16s
16s
17s
16s
16s
12s
12s
12s
12s
12s
11s
11s
11s
11s
11s
swell
windkm/h
10g22
11g27
11g29
9g25
7g18
6g10
6g19
4g14
6g22
4g12
10g17
12g27
14g34
10g27
12g26
16g31
17g38
15g41
17g40
14g43
11g21
11g25
11g29
16g39
15g40
13g27
13g31
13g34
15g36
17g34
12g29
10g29
11g33
13g32
15g30
13g26
13g29
13g34
10g35
8g32
7g19
4g25
3g34
4g34
5g27
4g21
1g23
8g27
6g32
5g36
tidem
4:30am0.2m
10:06am0.5m
4:06pm0.1m
5:50am0.2m
11:06am0.5m
4:54pm0.1m
7:30am0.2m
12:30pm0.4m
6:00pm0.1m
1:50am0.8m
9:30am0.2m
2:30pm0.4m
7:30pm0.2m
3:07am0.9m
10:21am0.1m
3:50pm0.5m
9:06pm0.2m
4:12am0.9m
11:15am0.1m
4:52pm0.6m
10:21pm0.1m
5:06am1.1m
11:56am0.1m
5:43pm0.7m
5:50am1.1m
12:30pm0.0m
6:19pm0.8m
6:30am1.1m
1:05pm0.0m
7:00pm0.8m
12:57am0.0m
Ideal tideStrike windowDanger tideNight

Tide times today

4:30 am
Low tide - 0.18m
10:06 am
High tide - 0.52m
4:06 pm
Low tide - 0.09m
Times shown in spot-local time.

Strike Score Breakdown

40
Poor
Components
Swell Direction14/25
Swell Size25/25
Swell Period14/25
Wind11/25
Raw Score64/100
Adjustments
🚫 Tide-10
💨 Gusty Wind-4
🚫 Tide Capmax 40
Adjusted Score50/100
Confidence
Multiplier×1.00
Final Score40
🌊 Too low for this break

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
2.8m
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?

Thunders works best on a mid to high tide, ideally between 0.6m and 1.6m on the local tide chart. The tide chart above shows today’s strike window. Below 0.3m it gets dangerously shallow.

What wind direction is offshore at Thunders?

Offshore wind at Thunders blows from the ESE (115°). Anything in the 75° to 155° range grooms the faces; outside it, expect chop or bumpy conditions.

What swell size and direction work best at Thunders?

Thunders wants SW swell (195° to 245°) between 1.2m and 3.5m, with a period of 16s or more for quality waves.

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?

Fly into PDG, then allow about 0 minutes by road, plus a boat transfer (around $200 USD). 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