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Ko Samet - Sai Kaew Surf Forecast
/ Gulf of Thailand (13 surf breaks) /
Ko Samet - Sai Kaew surfForecast / Gulf of Thailand / Thailand
12 Day Weather and Surf, issued 6 pm Wednesday 07 May 2025 +07
Best Forecast Surf Conditions for Ko Samet - Sai Kaew this week:
The most powerful waves expected at Ko Samet - Sai Kaew in the next 12 days are 1.0m 5s and forecast to arrive on Wednesday (May 14) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Monday (May 12) at 10PM.
| Wave Type | Time (+07) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1AM (Wed 14th May) | 3.5ft (1.0m) 5s |
Table - best surf conditions forecast for Ko Samet - Sai Kaew over the next 12 days.
Wed 07 | Thursday 08 | Friday 09 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Mon 19 | ||||||||||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 3 | 3 | 4 | 3 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 4 | 5 | 4 | 5 | 4 | 5 | 6 | 5 | 5 | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 4 | 5 | 4 | 4 | 10 | 7 | 4 | 6 | 11 | 13 | 7 | 6 | 19 | 7 | 7 | 6 | 2 | 1 | 1 | 46 | 24 | 16 | 17 | 12 | 15 | 11 | 11 | 6 | 10 | 9 | 8 | 11 | 7 | 6 | 20 | 10 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | on | on | cross- on | on | cross- on | cross- on | on | cross | cross- on | cross- on | glass | cross | on | cross | glass | cross- on | cross- on | cross- on | on | cross- on | on | on | cross- on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 1:52AM 1.45 | 1:11AM 1.39 | 12:25AM 1.38 | 11:43PM 1.43 | 11:11PM 1.50 | 10:48PM 1.60 | 10:44PM 1.68 | 11:06PM 1.75 | 11:44PM 1.80 | 12:25AM 1.83 | 1:01AM 1.85 | 1:30AM 1.85 | ||||||||||||||||||||||||
Low Tide / height (m) | 3:47PM 0.82 | 10:36AM 0.92 | 9:05AM 0.78 | 8:59AM 0.61 | 9:13AM 0.46 | 9:36AM 0.33 | 10:06AM 0.24 | 10:41AM 0.18 | 11:20AM 0.15 | 11:59AM 0.13 | 12:39PM 0.13 | |||||||||||||||||||||||||
Wed 07 | Thursday 08 | Friday 09 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Mon 19 | ||||||||||||||||||||||||
| Sunrise | - | - | 5:50 | - | - | 5:50 | - | - | 5:50 | - | - | 5:50 | - | - | 5:50 | - | - | 5:50 | - | - | 5:48 | - | - | 5:48 | - | - | 5:48 | - | - | 5:48 | - | - | 5:48 | - | - | 5:48 |
| Sunset | 6:29 | - | - | 6:29 | - | - | 6:30 | - | - | 6:30 | - | - | 6:30 | - | - | 6:30 | - | - | 6:30 | - | - | 6:30 | - | - | 6:30 | - | - | 6:30 | - | - | 6:31 | - | - | 6:31 | - | - |
 |  |  | |  | | | |  | |  | | | | | | | | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | 3 | 3 | - | - | - | - | - | - | - | 8 | 12 | 3 | 8 | 4 | 4 | 5 | 4 | 4 | 8 | 7 | 3 | 5 | 7 | 3 | 20 | 8 | 2 | 22 | 13 | 4 | 3 | - | - | 2 | - |
| Temp. °C | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 30 | 30 | 28 | 28 | 30 | 29 | 26 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 29 | 29 | 29 | 30 | 29 | 29 | 30 |
| Feels °C (?) | 32 | 31 | 32 | 33 | 32 | 33 | 33 | 31 | 32 | 32 | 34 | 34 | 33 | 31 | 33 | 30 | 25 | 31 | 30 | 31 | 32 | 29 | 29 | 30 | 30 | 30 | 28 | 30 | 30 | 31 | 31 | 32 | 32 | 31 | 32 | 33 |
Short Range Forecast: Light rain (total 6mm), mostly falling on Wed night. Warm (max 30°C on Wed afternoon, min 28°C on Wed night). Wind will be generally light. | Days 3-6 Weather Summary Heavy rain (total 48mm), heaviest during Sun morning. Warm (max 30°C on Sat afternoon, min 26°C on Mon night). Mainly fresh winds. | Days 6-9 Weather Summary Heavy rain (total 65mm), heaviest during Thu night. Warm (max 29°C on Fri morning, min 26°C on Wed afternoon). Winds increasing (light winds from the SSW on Tue night, fresh winds from the SSW by Fri morning). | Long Range Forecast: Heavy rain (total 46mm), heaviest during Fri night. Warm (max 30°C on Sun morning, min 28°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ko Samet - Sai Kaew 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 Ko Samet - Sai Kaew Surf forecast
The above surf forecast table for Ko Samet - Sai Kaew provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Ko Samet - Sai Kaew can be found by selecting the local surf guide option on the grey menu. Our Ko Samet - Sai Kaew 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 (Ko Samet - Sai Kaew) 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 Ko Samet - Sai Kaew 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.
Ko Samet - Sai Kaew is 15 km (9 miles) from the city of Rayong. If you plan a holiday in Gulf of Thailand, look for hotels and other accommodation in Rayong. Rayong has rooms for a wide range of budgets as well as car hire and transport links.
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