Current sea water temperature:
+84.9°F
| Minimum sea water temperature in September: | 87.1°F |
| Maximum sea water temperature in September: | 81.5°F |
| Average sea water temperature in September: | 84.0°F |
| more information | |
14 days
forecast
forecast
| Ko Wai |
monthly
weather
weather
| Ko Wai |
Sea water temperature for the last 10 days:
| September 15 | 84.9°F | September 10 | 85.3°F |
| September 14 | 84.9°F | September 9 | 84.4°F |
| September 13 | 85.5°F | September 8 | 84.6°F |
| September 12 | 85.5°F | September 7 | 84.7°F |
| September 11 | 85.1°F | September 6 | 84.7°F |
Monthly sea water temperature, °F
When is the warmest sea in Ko Wai?
Based on the data about daily sea water temperature for the last three years the warmest sea in Ko Wai was noticed in May, April and June.
Monthly Sea Temperatures in Ko Wai, °F
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 88.1°F. The highest and lowest sea temperatures during the month were 89.2°F and 87.1°F.
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 88.1°F. The highest and lowest sea temperatures during the month were 89.6°F and 86.7°F.
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 86.9°F. The highest and lowest sea temperatures during the month were 88.3°F and 85.5°F.
current
weather
weather
| Ko Wai |
weather in
September
September
| Ko Wai |
Best time for vacation in Ko Wai
Ko Wai on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Ko Wai
Local time: 05:38
September 16, wednesday
0600

82°F
N
7 mph
7 mph
0900

82°F
N
6 mph
6 mph
1200

82°F
N
5 mph
5 mph
1500

84°F
N
7 mph
7 mph
1800

84°F
N
9 mph
9 mph
2100

82°F
NE
11 mph
11 mph
September 17, thursday
0000

82°F
NE
15 mph
15 mph
0300

81°F
E
24 mph
24 mph


























