Current Sea Water Temperature:
+86.8°F
| Maximum Sea Water Temperature in September: | 91.2°F |
| Minimum Sea Water Temperature in September: | 85.0°F |
| Average water temperature in September: | 87.8°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| September 28 | 86.8°F | September 23 | 87.8°F |
| September 27 | 87.4°F | September 22 | 89.0°F |
| September 26 | 86.8°F | September 21 | 88.2°F |
| September 25 | 88.2°F | September 20 | 89.0°F |
| September 24 | 87.8°F | September 19 | 88.8°F |
When is the Warmest Sea for Ko Wai?
According to our data for the last three years for Ko Wai the highest average sea water temperature was in May, April and June.
Average Water Temperature by Month, °F
Sea Water Temperature in May
The average sea surface temperature in May 2026 for Ko Wai was 92.3°F. The maximum and minimum values were 91.2°F and 93.6°F respectively.
Sea Water Temperature in April
The average sea surface temperature in April 2026 for Ko Wai was 92.3°F. The maximum and minimum values were 90.8°F and 94.0°F respectively.
Sea Water Temperature in June
The average sea surface temperature in June 2026 for Ko Wai was 91.0°F. The maximum and minimum values were 89.4°F and 92.6°F respectively.
Thailand Resorts:
NAME
F°
| Bang Tao Beach |  |
+84 |
| Bangkok |  |
+80 |
| Cape Panwa | |
+84 |
| Hua Hin | |
+80 |
| Karon Beach | |
+84 |
| Kata Beach | |
+84 |
| Khao Lak | |
+82 |
| Koh Chang | |
+86 |
| Nai Yang Beach | |
+84 |
| Pattaya | |
+78 |
| Phangan | |
+86 |
| Phi Phi | |
+88 |
| Phuket | |
+84 |
| Samet | |
+86 |
| Samui | |
+86 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Ko Wai
Local time: 06:19
29 sep, tuesday
| 0900 |  |
88°F | NW 5 mph |
| 1200 | |
88°F | NW 5 mph |
| 1500 | |
88°F | N 6 mph |
| 1800 | |
88°F | NE 4 mph |
| 2100 | |
88°F | NE 2 mph |
30 sep, wednesday
| 0000 | |
88°F | E 2 mph |
| 0300 | |
86°F | SE 2 mph |
| 0600 | |
86°F | S 3 mph |