Surf Forecasts:
Chaweng Malibu surf forecast from 17 Sep 2026:
- Most powerful swell: Sunday 20 Sep, 7PM (local time) - 1.5ft (0.4m), 3s period, SSE swell with 4 kJ wave energy.
Best Forecast Surf Conditions for Chaweng Malibu this week:
The most powerful waves expected at Chaweng Malibu in the next 16 days are 0.4m 3s and forecast to arrive on Sunday (Sep 20) at 7PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 5s period and expected on Thursday (Sep 17) at 10PM.
| Wave Type | Time (+07) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7PM (Sun 20th Sep) | 1.5ft (0.4m) 3s |
Table - best surf conditions forecast for Chaweng Malibu over the next 16 days.
Short Range ForecastHeavy rain (total 21mm), heaviest during Sat afternoon. Warm (max 29°C on Sat morning, min 27°C on Thu morning). Mainly fresh winds. | Days 4-6 Weather SummaryHeavy rain (total 31mm), heaviest during Sun afternoon. Warm (max 28°C on Sun morning, min 24°C on Mon afternoon). Winds increasing (calm on Mon morning, fresh winds from the W by Tue night). | ||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SE 6 | SE 6 | NW 4 | SE 6 | WSW 3 | SE 6 | SE 6 | SE 6 | — | SE 5 | SE 6 | ESE 6 | — | ESE 5 | SE 4 | SE 5 | — | SE 4 | SE 4 | SE 6 | S 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 1 | 3 | 1 | 3 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 1 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | on | on | cross-on | on | cross-on | glassy | on | on | glassy | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross |
High Tide | 2:52PM1.20m | 3:34PM1.21m | 4:22PM1.20m | 5:14PM1.18m | 6:10PM1.16m | 7:08PM1.14m | 8:05PM1.11m | ||||||||||||||
Low Tide | 1:24AM0.31m | 4:11AM0.27m | 4:57AM0.24m | 5:23AM0.22m | 5:45AM0.21m | 6:01AM0.21m | |||||||||||||||
 | |  | |  | | |  |  | | |  |  |  |  | | | | | |  | |
 | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:07 | — | — |
 | — | 6:19 | — | — | 6:17 | — | — | 6:17 | — | — | 6:16 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — |
mm | 3 | 1 | 2 | 3 | — | 1 | — | 7 | 4 | 2 | 9 | 8 | — | 2 | — | 5 | 5 | — | 1 | 1 | 2 |
Temp °C | 27 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 27 | 27 | 26 | 25 | 27 | 27 | 25 | 27 | 26 | 27 | 27 |
Feels °C | 27 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 30 | 32 | 31 | 29 | 29 | 29 | 31 | 29 | 26 | 26 | 25 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SE 6 | SE 6 | NW 4 | SE 6 | S 4 | — | — | NW 4 | — | ESE 3 | SE 6 | — | — | ESE 5 | SE 4 | SE 5 | — | — | SE 4 | N 4 | S 6 |
| kJ | 2 | 1 | 3 | 1 | 1 | — | — | 1 | — | 1 | 1 | — | — | 2 | 1 | 1 | — | — | 1 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | SE 6 | — | NW 5 | — | SE 5 | SE 6 | SE 6 | SE 6 | — | SE 5 | — | ESE 6 | — | — | — | — | — | SE 4 | — | SE 6 | — |
| kJ | 1 | — | 1 | — | 1 | 1 | 1 | 1 | — | 1 | — | 3 | — | — | — | — | — | 1 | — | 1 | — |
Swell 3 Height (m) Direction Period (s) | — | — | SE 6 | — | — | S 5 | S 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 2 | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 2 | W 2 | WSW 2 | WSW 2 | WSW 3 | WSW 2 | WSW 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | W 2 |
| kJ | 1 | 1 | 1 | 1 | 3 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 260 | 832 | 832 | 834 | 832 | 832 | 875 | 827 | 252 | 220 | 220 | 220 | 220 | 220 | 220 | 220 | 220 | 221 | 221 | 221 | 221 |
Best forecast wave conditions in Gulf of Thailand | |||||||||||||||||||||
Best forecast wave conditions in Thailand | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Chaweng Malibu surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Chaweng Malibu Surf forecast
The above surf forecast table for Chaweng Malibu provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Chaweng Malibu can be found by selecting the local surf guide option on the grey menu. Our Chaweng Malibu surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Chaweng Malibu) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Chaweng Malibu may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Chaweng Malibu is 14 km (9 miles) from the city of Ko Samui. If you plan a holiday in Gulf of Thailand, look for hotels and other accommodation in Ko Samui. Ko Samui has rooms for a wide range of budgets as well as car hire and transport links.
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