Surf Forecasts:
Koh Lanta - Khlong Dao surf forecast from 27 Jun 2026:
- Best quality surf: Thursday 2 Jul, 7PM (local time) - 3ft (0.9m), 8s period, WSW swell with offshore winds.
- Most powerful swell: Tuesday 30 Jun, 4PM (local time) - 3.5ft (1.1m), 7s period, WSW swell with 99 kJ wave energy.
- Next surfable swell (1★+): Thursday 2 Jul, 7PM (local time) - 3ft (0.9m), 8s period with WSW swell.
Best Forecast Surf Conditions for Koh Lanta - Khlong Dao this week:
The surf forecast for Koh Lanta - Khlong Dao over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jul 02) at 7PM. The primary swell is predicted to be 0.9m and 8s period with a secondary swell of 0.1m and 17s. Another secondary swell of 0.6m and 8s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Koh Lanta - Khlong Dao in the next 16 days are 1.1m 7s and forecast to arrive on Tuesday (Jun 30) at 4PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 5s period and expected on Monday (Jun 29) at 7PM.
| Wave Type | Time (+07) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Thu 2nd Jul) | 3ft (0.9m) 8s |
| Best Surf | 7PM (Thu 2nd Jul) | 3ft (0.9m) 8s |
| Most Powerful | 4PM (Tue 30th Jun) | 3.5ft (1.1m) 7s |
Table - best surf conditions forecast for Koh Lanta - Khlong Dao over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 59mm), heaviest during Mon afternoon. Warm (max 29°C on Sun morning, min 25°C on Mon afternoon). Winds increasing (light winds from the W on Sat morning, fresh winds from the WNW by Mon morning). | Days 4-6 Weather SummaryHeavy rain (total 26mm), heaviest during Wed night. Warm (max 29°C on Tue night, min 27°C on Tue morning). Winds decreasing (strong winds from the WSW on Wed night, light winds from the WSW by Thu night). | ||||||||||||||||||||
Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 1 | Thursday 2 | Friday 3 | |||||||||||||||
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) | SW 7 | SW 7 | SW 6 | SW 6 | SW 19 | W 13 | W 4 | WSW 5 | SW 16 | WSW 4 | WSW 7 | WSW 4 | SW 7 | W 15 | WSW 4 | WSW 5 | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 2 | 1 | 1 | 14 | 4 | 0 | 0 | 11 | 0 | 99 | 0 | 8 | 4 | 0 | 0 | 12 | 22 | 10 | 11 | 20 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 10:20AM2.27m | 10:45PM1.91m | 11:02AM2.38m | 11:27PM2.01m | 11:40AM2.49m | 00:04AM2.09m | 12:16PM2.57m | 00:39AM2.16m | 12:50PM2.64m | 1:13AM2.20m | 1:22PM2.67m | 1:47AM2.24m | 1:55PM2.68m | 2:22AM2.26m | |||||||
Low Tide | 4:50PM0.72m | 4:36AM0.71m | 5:30PM0.60m | 5:18AM0.62m | 6:07PM0.50m | 5:55AM0.55m | 6:41PM0.42m | 6:30AM0.49m | 7:14PM0.36m | 7:04AM0.45m | 7:47PM0.31m | 7:38AM0.45m | 8:19PM0.29m | ||||||||
 | |  | | |  |  | |  | | | | | | | | |  |  | | | |
 | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — |
 | — | 6:43 | — | — | 6:43 | — | — | 6:44 | — | — | 6:44 | — | — | 6:44 | — | — | 6:44 | — | — | 6:44 | — |
mm | 7 | 4 | — | 2 | 1 | 5 | 7 | 24 | 9 | 3 | 2 | 5 | 2 | 3 | 9 | 1 | 1 | — | — | — | — |
Temp °C | 28 | 28 | 28 | 29 | 29 | 28 | 27 | 26 | 28 | 27 | 27 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 |
Feels °C | 30 | 30 | 30 | 31 | 30 | 29 | 26 | 25 | 28 | 25 | 26 | 28 | 28 | 29 | 27 | 28 | 30 | 31 | 31 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | — | SW 7 | SW 6 | SW 6 | SW 14 | SW 7 | S 18 | — | SW 16 | — | WSW 7 | — | SW 7 | S 4 | — | — | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 |
| kJ | — | 2 | 1 | 1 | 8 | 2 | 6 | — | 11 | — | 99 | — | 8 | 1 | — | — | 10 | 22 | 10 | 11 | 20 |
Swell 2 Height (m) Direction Period (s) | SW 7 | — | — | — | SW 19 | W 13 | — | — | — | — | W 16 | — | S 4 | W 15 | — | — | SW 17 | W 16 | SW 16 | — | SW 18 |
| kJ | 2 | — | — | — | 14 | 4 | — | — | — | — | 5 | — | 2 | 4 | — | — | 12 | 5 | 10 | — | 12 |
Swell 3 Height (m) Direction Period (s) | — | — | S 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 16 | — |
| kJ | — | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | — |
Wind waves Height (m) Direction Period (s) | W 3 | W 3 | W 3 | W 3 | WSW 3 | W 3 | W 4 | WSW 5 | WSW 4 | WSW 4 | WSW 4 | WSW 4 | W 4 | WSW 4 | WSW 4 | WSW 5 | SW 4 | WSW 8 | SW 3 | WSW 3 | WSW 3 |
| kJ | 1 | 2 | 2 | 1 | 3 | 6 | 48 | 91 | 54 | 54 | 34 | 26 | 7 | 22 | 54 | 52 | 7 | 11 | 1 | 4 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 639 | 83 | 83 | 83 | 83 | 639 | 658 | 782 | 91 | 782 | 621 | 659 | 790 | 782 | 782 | 639 | 648 | 639 | 91 | 91 | 91 |
Best forecast wave conditions in Andaman Sea | |||||||||||||||||||||
Best forecast wave conditions in Thailand | |||||||||||||||||||||
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Information about the Koh Lanta - Khlong Dao Surf forecast
The above surf forecast table for Koh Lanta - Khlong Dao provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Koh Lanta - Khlong Dao can be found by selecting the local surf guide option on the grey menu. Our Koh Lanta - Khlong Dao 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 (Koh Lanta - Khlong Dao) 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 Koh Lanta - Khlong Dao 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.
Are you planning a holiday in Andaman Sea? If you are looking for accommodation near Koh Lanta - Khlong Dao, camping, hotels and holiday cottages in Andaman Sea, consider staying in Krabi which is 48 km (30 miles) away. Other places in and around Andaman Sea where you can find information about places to rent, and car hire include Trang which is 65 km (40 miles) away, Huai Yot, Ban Talat Yai and Phuket.
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