Surf Forecasts:
Koh Phayam surf forecast from 15 Jul 2026:
- Most powerful swell: Monday 20 Jul, 4AM (local time) - 4.5ft (1.3m), 6s period, WSW swell with 126 kJ wave energy.
Best Forecast Surf Conditions for Koh Phayam this week:
The most powerful waves expected at Koh Phayam in the next 16 days are 1.3m 6s and forecast to arrive on Monday (Jul 20) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 8s period and expected on Wednesday (Jul 15) at 7PM.
| Wave Type | Time (+07) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4AM (Mon 20th Jul) | 4.5ft (1.3m) 6s |
Table - best surf conditions forecast for Koh Phayam over the next 16 days.
The Lowdown
Alright, folks, Rusty here. Let’s be straight with you – this is a tough one. We’re looking at the next 16 days around Koh Phayam, and honestly, it’s a flat spell. There’s basically nothing to get excited about for the whole outlook.
The water temp is sitting at 85°, which is pretty much bang on average for this time of year, so no surprises there.
From Wednesday the 15th right through the rest of the forecast period, every single day is showing "poor surf conditions." The wind is hammering onshore out of the SW or WSW, mostly around 9 to 16 mph, and any tiny bits of swell that show up are just not enough to bother with. We’ve got a few records showing a bare 0.3 ft of swell, but with a combined wave energy so low it’s barely registering (down in the single digits to 28), it’s not even worth calling it a wave. The period is all over the place, sometimes long and sometimes short, but the energy just isn’t there.
You’ll see a little blip on Sunday the 19th afternoon with a 3 ft swell from the WSW, but the period is a weak 5 seconds and the wind is cross-onshore. That’s a messy, choppy situation best left for the kite surfers, not for paddle surfing.
The rest of the days are a complete write-off. There’s a gap of zero surf from the start all the way through to the end of July. No standouts, no hope, nothing. For a place like this, a blank run is more normal than a surprise, so don’t hold your breath.
Rusty.
Short Range ForecastHeavy rain (total 20mm), heaviest during Wed morning. Warm (max 28°C on Wed morning, min 27°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 18mm), heaviest on Mon night. Warm (max 28°C on Sat morning, min 27°C on Sat afternoon). Wind will be generally light. | ||||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||
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 13 | WSW 8 | WSW 8 | WSW 8 | W 8 | WSW 8 | W 8 | W 8 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 5 | W 6 | W 6 | WSW 7 | WSW 7 | SW 18 | SW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 43 | 0 | 0 | 0 | 0 | 12 | 10 | 10 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | cross-on | on | cross-on | cross-on | on | on | cross-on | cross-on | on | on | on | on | on | on |
High Tide | 11:07AM3.60m | 11:35PM3.16m | 11:50AM3.62m | 00:17AM3.19m | 12:30PM3.55m | 00:57AM3.15m | 1:09PM3.39m | 1:37AM3.06m | 1:46PM3.15m | 2:16AM2.92m | 2:24PM2.88m | 2:56AM2.76m | 3:04PM2.58m | 3:43AM2.58m | |||||||
Low Tide | 5:48PM0.07m | 5:51AM0.27m | 6:28PM0.06m | 6:33AM0.31m | 7:06PM0.13m | 7:12AM0.42m | 7:42PM0.27m | 7:51AM0.58m | 8:16PM0.46m | 8:30AM0.78m | 8:49PM0.67m | 9:11AM0.98m | 9:24PM0.88m | ||||||||
 | |  | |  |  | | | | | | |  | | | | | | | | | |
 | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — |
 | — | 6:51 | — | — | 6:51 | — | — | 6:51 | — | — | 6:51 | — | — | 6:51 | — | — | 6:51 | — | — | 6:51 | — |
mm | 6 | 3 | 5 | 2 | — | — | 1 | 1 | 2 | 2 | 2 | 1 | — | 2 | 2 | 2 | 2 | 5 | 3 | 2 | 3 |
Temp °C | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 27 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 27 | 27 |
Feels °C | 29 | 29 | 29 | 30 | 30 | 30 | 31 | 31 | 30 | 30 | 29 | 30 | 29 | 29 | 28 | 29 | 29 | 29 | 29 | 27 | 29 |
Swell 1 Height (m) Direction Period (s) | WSW 17 | WSW 8 | WSW 16 | WSW 8 | WSW 16 | WSW 8 | W 8 | W 8 | W 8 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | SW 14 | SW 13 | SW 13 | WSW 13 | WSW 13 | SW 18 | WSW 13 | WSW 12 |
| kJ | 29 | 229 | 26 | 167 | 48 | 109 | 82 | 82 | 58 | 87 | 84 | 81 | 80 | 50 | 46 | 44 | 17 | 17 | 12 | 16 | 15 |
Swell 2 Height (m) Direction Period (s) | SW 13 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | SW 15 | WSW 16 | WSW 16 | WSW 15 | NW 7 | W 7 | W 7 | — | — | — | — | W 20 | W 18 | SW 18 | SW 16 | SW 16 |
| kJ | 7 | 26 | 26 | 24 | 24 | 58 | 99 | 99 | 92 | 2 | 1 | 1 | — | — | — | — | 7 | 6 | 12 | 10 | 10 |
Swell 3 Height (m) Direction Period (s) | W 13 | W 13 | — | — | — | W 18 | — | — | NW 7 | — | W 7 | — | — | — | — | — | — | — | — | — | SW 16 |
| kJ | 3 | 3 | — | — | — | 6 | — | — | 2 | — | 1 | — | — | — | — | — | — | — | — | — | 10 |
Wind waves Height (m) Direction Period (s) | WSW 8 | — | WSW 8 | — | W 8 | — | — | — | — | W 8 | W 8 | W 7 | W 7 | WSW 5 | W 6 | W 6 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 8 |
| kJ | 235 | — | 223 | — | 134 | — | — | — | — | 55 | 54 | 51 | 59 | 43 | 91 | 115 | 139 | 128 | 191 | 199 | 191 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 193 | 193 | 182 | 116 | 193 | 110 | 193 | 193 | 193 | 213 | 843 | 193 | 851 | 851 | 193 | 193 | 193 | 193 | 193 | 193 | 193 |
Best forecast wave conditions in Andaman Sea | |||||||||||||||||||||
Best forecast wave conditions in Thailand | |||||||||||||||||||||
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Information about the Koh Phayam Surf forecast
The above surf forecast table for Koh Phayam provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Koh Phayam can be found by selecting the local surf guide option on the grey menu. Our Koh Phayam 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 Phayam) 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 Phayam 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.
Koh Phayam is 34 km (21 miles) from Victoria Point. If you plan a holiday in Andaman Sea, look for hotels and other accommodation in Victoria Point. Victoria Point has rooms for a wide range of budgets as well as car hire and transport links.
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