Reef
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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
Today
21
64
Fair
2.0m
@14s
9km/h
Mon
22
57
Fair
1.9m
@13s
6km/h
Tue
23
55
Fair
1.7m
@13s
5km/h
Wed
24
50
Fair
1.6m
@12s
5km/h
Thu
25
42
Poor
1.4m
@11s
6km/h
Fri
26
44
Poor
1.0m
@14s
11km/h
Sat
27
77
Good
1.4m
@17s
6km/h
Sun
28
69
Good
2.1m
@15s
3km/h
Mon
29
57
Fair
2.3m
@12s
7km/h
Tue
30
50
Fair
2.4m
@11s
9km/h

Today's Conditions

Find Flights
Swell
2.0m
SSW(212°)
Score: 13/25
Period
14s
Long period groundswell
Score: 14/25
Wind
9km/h
NW(307°)
Score: 11/25
Weather
27°C
0.5mm54%
Windswell Component
0.1mNW@1s
Secondary Swell
0.9mSSE
Forecast Confidence
100%
Sources: open-meteo-marine, open-meteo-weather
Best Session
morning
AM: 7 km/h NNE|PM: 9 km/h W
Similar wind — morning has better tide for this spot
High tide at 10am (0.9m)

Location & Conditions

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

Tide Times

3:47 am
Low tide - 0.32m
10:07 am
High tide - 0.87m
4:40 pm
Low tide - 0.21m
Times shown in spot-local time.

Strike Score Breakdown

64
Fair
Components
Swell Direction23/25
Swell Size13/25
Swell Period14/25
Wind11/25
Raw Score61/100
Adjustments
🌊 Tide+3
Adjusted Score64/100
Confidence
Multiplier×1.00
Final Score64
🌊 Mostly in the tide window👥 Semester Break
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Spot Details

Swell Requirements

Optimal direction
SW (215°)
Direction range
195° - 245°
Size range
1.2m - 3.5m
Ideal size
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

👥 Semester Break (Jun 20Jul 12) — expect extra crowds

Access: Boat charter from Padang. Playgrounds area.

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