Beach
both
Level 4/10

Chomoni Beach

Grande Comore, Comoros
🪸Sharp reef🏝️Remote

Chomoni Beach sits on Grande Comore in the shadow of Mount Karthala, one of the world's most active volcanoes—a setting that would be extraordinary even without waves. During the southeast trade season, Indian Ocean swells wrap around the volcanic island to create surfable conditions on black sand beaches. This is coelacanth territory—the prehistoric fish thought extinct until discovered here. The infrastructure is minimal and the surfing community essentially nonexistent, but for adventurous travelers, Comoros offers genuine discovery in one of the Indian Ocean's least-visited corners.

3-Day Forecast
Today
30
30
Poor
0.5m
@16s
10km/h
Fri
1
31
Poor
0.9m
@18s
8km/h
Sat
2
32
Poor
1.0m
@16s
10km/h
+7
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Today's Conditions

Swell
0.5m
SE(135°)
Score: 2/25
Period
16s
Long period groundswell
Score: 25/25
Wind
10km/h
ESE(115°)
Score: 9/25
Weather
28°C
0.0mm15%
Windswell Component
0.1mSE@0s
Secondary Swell
0.2mSE
Forecast Confidence
100%
Sources: open-meteo-marine, open-meteo-weather
Best Session
morning
AM: 1 km/h SE|PM: 10 km/h ESE
1 km/h vs 10 km/h afternoon

Location & Conditions

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0°45°90°135°180°225°270°315°NESW
Swell
Wind
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Tide Times

2:59 am
High tide - 1.81m
9:00 am
Low tide - -0.82m
3:13 pm
High tide - 2.17m
9:30 pm
Low tide - -0.89m
Times shown in spot-local time.

Strike Score Breakdown

30
Poor
Components
Swell Direction11/25
Swell Size2/25
Swell Period25/25
Wind9/25
Raw Score47/100
Adjustments
⚠️ Weak Component-5
🚫 Undersized Capmax 30
Adjusted Score42/100
Confidence
Multiplier×1.00
Final Score30

Spot Details

Swell Requirements

Optimal direction
ESE (110°)
Direction range
80° - 150°
Size range
1m - 2.5m
Ideal size
2.0m
Height multiplier
0.90×
Ideal period
14s+

Wind Requirements

Optimal direction
W (270°)
Offshore range
230° - 310°

Tide Requirements

Optimal tide
all
Optimal range
0.4m - 1.5m

Water temp

27°C

Wetsuit

Boardshorts / Rashguard

Difficulty

4/10

Crowd level

1/10

Access: East coast of Grande Comore. Volcanic black sand.

Best Season

Peak: May-Sep

Secondary: Apr, Oct

SE trade season. Swells wrap around from southern Indian Ocean.

Getting There

Airport
HAH
Drive time
30 min
Data quality
community

Strike Log

Community Discussion