Historic Forecast
Wed 05/18
0 ft
Thu 05/19
0 ft
Fri 05/20
0 ft
Sat 05/21
0 ft
Sun 05/22
0 ft
Mon 05/23
0 ft
Tue 05/24
0 ft
Surf Swell Rating Primary Swell Secondary Swell Wind Weather Prob.
9pm Flat
0.9ft 3s 136.01°     10 12 mph 86°f 100%
Tide and daylight times for Ko Prap
Ko Samui
Low 1:34AM 5.48ft
High 5:49AM 5.87ft
Low 11:39AM 4.79ft
High 6:40PM 7.15ft
First Light 5:38AM
Sunrise 6:00AM
Sunset 6:36PM
Last Light 6:59PM
Wednesday 05/18
12am Flat
0.8ft 3s 147.58°     9 11 mph 86°f 95%
3am Flat
0.7ft 3s 165.75°     9 9 mph 86°f 95%
6am Flat
0.5ft 2s 144.3° 0.4ft 2s 223.79°   7 7 mph 85°f 100%
9am Flat
0.4ft 2s 141.95° 0.3ft 2s 234.32°   3 4 mph 86°f 100%
Noon Flat
0.3ft 3s 136.66° 0.2ft 2s 236.38°   6 6 mph 86°f 100%
3pm Flat
0.5ft 3s 120.43°     10 11 mph 87°f 100%
6pm Flat
0.6ft 2s 117.42°     8 10 mph 87°f 100%
9pm Flat
0.6ft 2s 116.69°     8 10 mph 87°f 100%
Tide and daylight times for Ko Prap
Ko Samui
Low 1:26AM 5.02ft
High 6:16AM 5.81ft
Low 11:30AM 4.76ft
High 6:31PM 7.68ft
First Light 5:38AM
Sunrise 6:00AM
Sunset 6:36PM
Last Light 6:59PM
Thursday 05/19
12am Flat
0.4ft 2s 127.18°     4 5 mph 86°f 100%
3am Flat
0.3ft 2s 129.74°     3 3 mph 86°f 100%
6am Flat
0.2ft 3s 127.53°     5
mph
86°f 100%
9am Flat
0.2ft 3s 121.97°     3
mph
85°f 100%
Noon Flat
No Incoming Swell   6 6 mph 85°f 100%
3pm Flat
No Incoming Swell   7 7 mph 85°f 100%
6pm Flat
No Incoming Swell   6 7 mph 87°f 100%
9pm Flat
No Incoming Swell   2 3 mph 86°f 100%
Tide and daylight times for Ko Prap
Ko Samui
Low 1:34AM 4.59ft
High 6:38AM 5.71ft
Low 11:32AM 4.62ft
High 6:37PM 8.2ft
First Light 5:38AM
Sunrise 6:00AM
Sunset 6:37PM
Last Light 6:59PM
Friday 05/20
12am Flat
No Incoming Swell   5 6 mph 86°f 100%
3am Flat
0.4ft 2s 297.3°     8 10 mph 85°f 100%
6am Flat
0.6ft 2s 285.89°     10 11 mph 85°f 95%
9am Flat
0.6ft 2s 283.57°     9 10 mph 85°f 95%
Noon Flat
0.7ft 2s 302.93°     8 8 mph 85°f 55%
3pm Flat
0.6ft 2s 313.32°     8 8 mph 86°f 55%
6pm Flat
0.6ft 2s 285.27°     7 8 mph 87°f 36%
9pm Flat
1ft 2s 266.51°     13 19 mph 86°f 50%
Tide and daylight times for Ko Prap
Ko Samui
Low 1:50AM 4.2ft
High 6:59AM 5.61ft
Low 11:42AM 4.49ft
High 6:51PM 8.69ft
First Light 5:37AM
Sunrise 6:00AM
Sunset 6:37PM
Last Light 6:59PM
Saturday 05/21
12am Flat
1.2ft 3s 276.08°     14 20 mph 86°f 36%
3am Flat
1.3ft 3s 291.86°     13 20 mph 86°f 36%
6am Flat
1.3ft 3s 302°     13 16 mph 85°f 67%
9am Flat
1.1ft 3s 303.12°     11 13 mph 85°f 67%
Noon Flat
1ft 3s 314.66°     7 7 mph 84°f 50%
3pm Flat
0.6ft 3s 353.27° 0.4ft 3s 275.2°   7 8 mph 84°f 50%
6pm Flat
0.5ft 3s 355.19° 0.2ft 3s 277.34°   7 10 mph 86°f 95%
9pm Flat
0.3ft 3s 9.55° 0.5ft 2s 233.37°   9 12 mph 87°f 95%
Tide and daylight times for Ko Prap
Ko Samui
Low 2:11AM 3.87ft
High 7:22AM 5.48ft
Low 11:56AM 4.33ft
High 7:10PM 9.09ft
First Light 5:37AM
Sunrise 6:00AM
Sunset 6:37PM
Last Light 7:00PM
Sunday 05/22
12am Flat
0.3ft 3s 18.54° 0.9ft 2s 241.6°   10 16 mph 86°f 95%
3am Flat
0.2ft 3s 24.94° 1.2ft 3s 250.22°   14 18 mph 85°f 95%
6am Flat
0.2ft 3s 27.82° 1ft 3s 253.99°   15 23 mph 85°f 100%
9am Flat
0.8ft 3s 255.59°     10 14 mph 86°f 100%
Noon Flat
1.1ft 3s 256.67°     17 23 mph 86°f 100%
3pm Flat
1.6ft 3s 245.72°     17 21 mph 87°f 100%
6pm Flat
1.2ft 3s 235.84°     17 21 mph 86°f 60%
9pm Flat
0.9ft 3s 229.87°     10 14 mph 86°f 60%
Tide and daylight times for Ko Prap
Ko Samui
Low 2:37AM 3.64ft
High 7:45AM 5.31ft
Low 12:12PM 4.2ft
High 7:33PM 9.38ft
First Light 5:37AM
Sunrise 6:00AM
Sunset 6:37PM
Last Light 7:00PM
Monday 05/23
12am Flat
0.8ft 2s 229.24°     12 15 mph 86°f 95%
3am Flat
1.2ft 3s 248.92°     15 20 mph 85°f 95%
6am Flat
1.2ft 3s 263.05°     19 26 mph 85°f 95%
9am Flat
1.2ft 3s 262.66°     12 17 mph 86°f 95%
Noon Flat
1.1ft 3s 270.2°     12 15 mph 87°f 100%
3pm Flat
1.8ft 3s 276.37°     19 23 mph 85°f 100%
6pm Flat
1.7ft 3s 277.56°     18 22 mph 87°f 90%
9pm Flat
1.9ft 3s 271.8°     20 26 mph 85°f 90%
Tide and daylight times for Ko Prap
Ko Samui
Low 3:06AM 3.54ft
High 8:09AM 5.08ft
Low 12:28PM 4.1ft
High 7:58PM 9.54ft
First Light 5:37AM
Sunrise 6:00AM
Sunset 6:38PM
Last Light 7:00PM
Tuesday 05/24
12am Flat
2.5ft 4s 257.83°     23 30 mph 84°f 85%
3am Flat
2.5ft 4s 251.26°     24 32 mph 84°f 85%
6am Flat
2.5ft 4s 241°     25 33 mph 83°f 95%
9am Flat
3ft 4s 242.25°     33 43 mph 84°f 95%
Noon Flat
3ft 4s 250.69°     35 45 mph 84°f 100%
3pm Flat
3ft 4s 249.99°     28 35 mph 84°f 100%
6pm Flat
2.5ft 4s 251.24°     24 32 mph 85°f 100%

Historic Forecast for Ko Samui

A detailed historic forecast for Ko Samui. The data shown here is the last predicted forecast at the given times. You can go to a specific date range using the date pickers above to get the conditions for anytime since 1997 to now.

Units ft, mph