Surf Forecasts:
Kata Beach surf forecast from 11 Sep 2026:
- Most powerful swell: Saturday 12 Sep, 1PM (local time) - 1ft (0.3m), 21s period, WSW swell with 90 kJ wave energy.
Best Forecast Surf Conditions for Kata Beach this week:
The most powerful waves expected at Kata Beach in the next 16 days are 0.3m 21s and forecast to arrive on Saturday (Sep 12) at 1PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 8s period and expected on Thursday (Sep 17) at 7AM.
| Wave Type | Time (+07) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1PM (Sat 12th Sep) | 1ft (0.3m) 21s |
Table - best surf conditions forecast for Kata Beach over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s get into it for Kata Beach.
To be honest, it’s a pretty grim outlook for the next couple of weeks. The pattern is flat and messy for days on end. The first solid chance of anything surfable doesn’t pop up until Saturday the 26th of September. That’s over a two-week gap from now with practically no surf worth paddling out for. Most days show zero swell and onshore or cross-shore winds chopping everything up.
When we finally see a pulse on the 26th, it’s small. Saturday morning brings a clean-ish window with a light cross-off breeze, which is a big positive. The swell is coming from the WSW at a tiny 1.0 ft, but the period is a long 20 seconds, so there’s some groundswell energy in the water – combined energy is 77 (weak), but at least it’s real. The water temp is 86°F, about average for this time of year, so you won’t need a wetsuit.
Kata Beach itself is an exposed beach break, inconsistent and beginner-friendly at this size, but the long period means the waves might stand up a bit better than the height suggests. The optimum direction is SW, and this WSW swell is close enough. Crowds are often here, so expect company on a Saturday morning. It’s the only real standout in the whole 16-day run, and even then, it’s just a tiny, clean wave for a log or a fun board. Everything else before that is a write-off.
Rusty.
Short Range ForecastHeavy rain (total 20mm), heaviest during Fri morning. Warm (max 28°C on Fri morning, min 27°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 10mm), heaviest on Wed night. Warm (max 29°C on Tue afternoon, min 27°C on Mon afternoon). Wind will be generally light. | ||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | |||||||||||||||
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) | WSW 15 | WSW 15 | W 6 | WSW 22 | WSW 21 | WSW 20 | WSW 19 | WSW 19 | W 3 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | W 4 | W 8 | SW 19 | SW 18 |
Wave Graph  | |||||||||||||||||||||
 kJ | 22 | 22 | 69 | 45 | 90 | 75 | 0 | 0 | 2 | 0 | 54 | 50 | 50 | 49 | 22 | 21 | 21 | 25 | 0 | 14 | 12 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | on | cross-on | on | on | on | cross | cross | cross-on | cross-on | cross | cross | cross |
High Tide | 10:12AM2.27m | 10:37PM2.19m | 10:45AM2.27m | 11:07PM2.24m | 11:16AM2.20m | 11:35PM2.22m | 11:45AM2.09m | 00:03AM2.16m | 12:13PM1.94m | 00:29AM2.05m | 12:40PM1.77m | 00:57AM1.91m | 1:06PM1.59m | 1:26AM1.74m | |||||||
Low Tide | 4:27PM-0.06m | 4:39AM0.07m | 4:56PM-0.06m | 5:12AM0.06m | 5:24PM-0.01m | 5:43AM0.11m | 5:50PM0.09m | 6:12AM0.20m | 6:15PM0.23m | 6:42AM0.34m | 6:39PM0.38m | 7:12AM0.51m | 7:03PM0.55m | ||||||||
 | |  |  |  |  | | |  | | |  | | | | | | | | | | |
 | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — |
 | — | 6:29 | — | — | 6:29 | — | — | 6:28 | — | — | 6:27 | — | — | 6:27 | — | — | 6:25 | — | — | 6:25 | — |
mm | 5 | 3 | 2 | — | — | 7 | 3 | — | — | 1 | 2 | — | — | 1 | 2 | — | — | 4 | — | 1 | 37 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 27 |
Feels °C | 29 | 29 | 29 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 30 | 32 | 31 | 32 | 32 | 31 | 31 | 30 | 32 | 31 | 28 |
Swell 1 Height (m) Direction Period (s) | WSW 15 | WSW 15 | WSW 16 | WNW 6 | WSW 21 | WSW 20 | WSW 19 | WSW 19 | WNW 6 | WSW 17 | WSW 17 | WNW 6 | WSW 16 | WSW 16 | WNW 5 | WNW 6 | WNW 5 | WSW 10 | W 8 | SW 19 | SW 18 |
| kJ | 22 | 22 | 25 | 40 | 90 | 75 | 125 | 122 | 14 | 101 | 54 | 8 | 50 | 49 | 6 | 6 | 6 | 33 | 608 | 14 | 12 |
Swell 2 Height (m) Direction Period (s) | W 26 | W 26 | W 24 | WSW 22 | WSW 16 | WSW 15 | W 7 | — | WSW 18 | WNW 7 | SSE 5 | WSW 16 | WNW 5 | WNW 5 | WSW 15 | W 8 | WSW 9 | WSW 15 | W 19 | — | — |
| kJ | 13 | 13 | 43 | 45 | 25 | 21 | 4 | — | 102 | 16 | 2 | 50 | 5 | 3 | 22 | 5 | 17 | 21 | 7 | — | — |
Swell 3 Height (m) Direction Period (s) | — | W 26 | — | WSW 16 | — | — | — | — | S 6 | SSE 5 | SSE 4 | — | W 6 | W 7 | W 8 | WSW 15 | WSW 15 | W 20 | — | — | — |
| kJ | — | 13 | — | 25 | — | — | — | — | 1 | 5 | 4 | — | 3 | 3 | 5 | 21 | 21 | 8 | — | — | — |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 6 | — | WNW 6 | WNW 7 | W 7 | W 7 | W 3 | — | W 7 | — | — | — | — | — | — | W 4 | W 8 | W 11 | W 11 |
| kJ | 112 | 91 | 69 | — | 40 | 34 | 23 | 22 | 2 | — | 14 | — | — | — | — | — | — | 25 | 277 | 831 | 810 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 640 | 640 | 19 | 101 | 1 | 1 | 1 | 641 | 1 | 640 | 1 | 1 | 1 | 1 | 19 | 640 | 1 | 1 | 19 | 1 | 641 |
Best forecast wave conditions in Phuket | |||||||||||||||||||||
Best forecast wave conditions in Thailand | |||||||||||||||||||||
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Information about the Kata Beach Surf forecast
The above surf forecast table for Kata Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kata Beach can be found by selecting the local surf guide option on the grey menu. Our Kata Beach 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 (Kata Beach) 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 Kata Beach 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.
Kata Beach is 5 km (3 miles) from the city of Ban Chalong. If you plan a holiday in Phuket, look for hotels and other accommodation in Ban Chalong. Ban Chalong has rooms for a wide range of budgets as well as car hire and transport links.
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