Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Similan Islands surfForecast / Andaman Sea / Thailand
48hr Weather and Surf, issued 12 pm Tuesday 30 Dec 2025 +07Forecast update in hr min s Forecast update imminent
Similan Islands surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Similan Islands sea temperature is
28.8° C
(Which is slightly warmer than usual)How big are the waves at Similan Islands today?
The current surf forecast for Similan Islands at 4PM is: 0.3m 13s primary swell from a Southwest direction and 0.3m 4s secondary swell from a North direction (forecast issued at 12:00pm December 30). The wind direction is predicted to be cross-onshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Dec) | 1ft (0.3m) | 13s |
| Afternoon (30 Dec) | 1ft (0.3m) | 13s |
| Evening (30 Dec) | 1ft (0.3m) | 13s |
Table - waves today at Similan Islands. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 30 | Wednesday 31 | Thursday 01 | Friday 02 | |||||||||||||||||||||
| 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 4 | 4 | 4 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | 24 | 23 | 23 | 23 | 14 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 6:37PM 1.89 | 7:03AM 1.60 | 7:43PM 2.01 | 8:15AM 1.68 | 8:41PM 2.14 | |||||||||||||||||||
Low Tide / height (m) | 1:13AM 0.60 | 1:14PM 0.48 | 2:22AM 0.42 | 2:20PM 0.38 | 3:18AM 0.24 | |||||||||||||||||||
Tuesday 30 | Wednesday 31 | Thursday 01 | Friday 02 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:43 |
| Sunset | - | - | 6:20 | - | - | - | - | - | - | - | 6:21 | - | - | - | - | - | - | - | 6:21 | - | - | - | - | - |
 |  | |  | | |  |  | | | | | | | | | | | |  | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - |
| Temp. °C | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Feels °C (?) | 30 | 29 | 29 | 31 | 30 | 29 | 29 | 29 | 29 | 30 | 29 | 28 | 29 | 29 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 30 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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