Ko Samet - Sai Kaew surfForecast / Gulf of Thailand / Thailand

information circle48hr Weather and Surf, issued 12 pm Tuesday 21 Apr 2026 +07
Forecast update in hr  min  s Forecast update imminent
Ko Samet - Sai Kaew surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ko Samet - Sai Kaew sea temperature is
31.0° C
(Which is slightly warmer than usual)

How big are the waves at Ko Samet - Sai Kaew today?

The current surf forecast for Ko Samet - Sai Kaew at 5PM is: 0.5m 3s primary swell from a South direction (forecast issued at 12:00pm April 21). The wind direction is predicted to be onshore.

Time (+07) & DateWave HeightWave Period
Morning (21 Apr)1.5ft (0.4m)4s
Afternoon (21 Apr)1.5ft (0.5m)4s
Evening (21 Apr)2ft (0.6m)4s

Table - waves today at Ko Samet - Sai Kaew. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SSW
0.4
SSW
0.5
S
0.6
S
0.6
S
0.6
S
0.5
S
0.5
S
0.5
S
0.5
S
0.5
S
0.5
S
0.5
S
0.5
S
0.5
S
0.5
S
0.5
S
0.5
S
0.6
S
0.6
S
0.6
S
0.5
S
0.5
S
0.4
SSW
Period(s) (?)443444443443344444444444
Wave
Graph
(?)Metric surfscale
Energy kJ (?)556910118956666667669910775
Wind
(km/h)
15
S
20
S
20
S
20
SSE
20
SSE
20
S
20
SSW
20
S
20
S
20
S
20
S
20
SSE
15
S
20
S
20
SSW
20
SSW
20
S
20
S
20
S
20
SSE
20
S
20
S
20
SSW
15
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononcross-
on
onononononononcross-
on
ononcross-
on
ononononcross-
on
onononon
High Tide
/ height (m)
1:17AM
1.97
2:02AM
1.99
2:44AM
1.96
Low Tide
/ height (m)
11:49AM
0.00
12:40PM
-0.02
1:34PM
0.02
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Sunrise-------5:58-------5:58-------5:56
Sunset--6:27-------6:27-------6:27-----
clear
thunderstorm
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
-1----------------------
Temp. °C303030292929282930303029292828293030302929292829
Feels °C (?)323231303131303131313231323030313231323031302931
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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