Tengan surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 8 pm Wednesday 20 May 2026 JST
Forecast update in hr  min  s Forecast update imminent
Tengan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tengan sea temperature is
23.7° C
(Which is 1.9°C colder than average for this time of year)

How big are the waves at Tengan today?

The current surf forecast for Tengan at 11PM is: 0.8m 10s primary swell from a East-southeast direction (forecast issued at 08:00pm May 20). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (20 May)--
Afternoon (20 May)--
Evening (20 May)2.5ft (0.8m)10s

Table - waves today at Tengan. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 55mm), heaviest during Sat afternoon. Warm (max 25°C on Thu morning, min 23°C on Wed night). Wind will be generally light.

Wed
20
Thursday
21
Friday
22
Saturday
23
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
Rating
(10 max)
1
1
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
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.8
ESE
10
0.8
ESE
10
0.7
ESE
10
0.7
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
9
0.5
ESE
9
0.5
ESE
9
0.5
ESE
9
0.5
ESE
9
0.5
ESE
9
0.5
ESE
9
0.5
ESE
9
0.5
ESE
9
0.5
ESE
9
0.5
ESE
9
Wave Graph
Metric surfscale
Energy kJ
105
105
81
81
72
72
74
74
74
74
74
72
71
69
50
49
49
49
49
49
49
49
49
48
Wind (km/h)
15
SW
10
SSW
15
SSW
15
SSW
15
S
20
SSW
20
SW
20
SW
15
SW
15
SW
15
SW
10
SW
10
WSW
5
WSW
10
SW
15
SSW
15
SSW
20
SSW
15
S
20
S
20
S
15
SW
15
SW
15
SW
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
glassy
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
High Tide
10:08PM1.81m
9:08AM1.90m
11:05PM1.72m
10:04AM1.76m
00:09AM1.65m
11:15AM1.60m
Low Tide
3:21PM0.00m
3:29AM1.01m
4:13PM0.17m
4:28AM1.07m
5:11PM0.37m
5:45AM1.08m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
light rain
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
light rain
mod rain
light rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:39
5:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:09
7:10
7:10
7:12
1
1
3
7
1
3
5
5
2
6
4
6
Temp °C
25
24
23
23
23
24
25
25
25
24
24
24
24
24
23
24
24
23
23
24
24
24
24
24
27
26
25
24
25
25
26
26
27
26
27
27
27
29
26
27
26
24
25
26
26
26
27
26
Swell 1
Height (m)
Direction
Period (s)
0.8
ESE
10
0.8
ESE
10
0.7
ESE
10
0.7
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.8
W
7
0.8
W
7
0.6
ESE
10
0.7
W
6
0.7
W
6
0.6
W
6
0.5
ESE
9
0.5
ESE
9
0.5
ESE
9
0.5
ESE
9
0.5
ESE
9
0.5
ESE
9
0.5
ESE
9
0.9
WSW
6
0.5
ESE
9
Energy kJ
105
105
81
81
72
72
74
74
74
57
62
72
40
36
24
49
49
49
49
49
49
49
43
48
Swell 2
Height (m)
Direction
Period (s)
0.4
W
6
0.6
ESE
10
0.6
ESE
10
0.5
W
7
0.6
ESE
10
0.6
ESE
9
0.5
ESE
9
0.5
W
6
0.5
W
6
0.5
W
5
0.4
W
5
0.3
NNW
7
0.4
NNW
7
0.4
NNW
6
0.5
ESE
9
0.5
NNW
8
Energy kJ
10
74
74
23
71
69
50
15
15
13
8
9
17
17
49
36
Swell 3
Height (m)
Direction
Period (s)
0.1
E
11
0.1
E
11
0.2
S
3
0.2
NNW
4
0.1
NW
4
0.2
NNW
7
0.3
W
5
0.2
W
7
0.4
SE
5
0.4
NNW
6
0.4
NNW
8
Energy kJ
2
2
1
2
1
5
5
4
9
17
25
Wind waves
Height (m)
Direction
Period (s)
0.3
SW
3
0.3
SW
3
0.3
SW
3
0.4
SW
3
0.5
SW
3
0.6
SW
4
0.6
SW
4
0.8
WSW
6
0.7
WSW
6
0.2
SSW
3
0.5
W
7
0.8
WSW
7
0.2
SSW
4
0.5
WSW
6
0.4
SSW
3
0.4
SSW
3
0.5
S
3
0.7
S
4
0.9
S
4
0.9
SSW
5
0.9
WSW
5
0.6
SSW
5
1
WSW
5
Energy kJ
1
1
1
2
5
10
16
34
35
1
26
60
1
18
4
3
5
13
28
39
46
14
55
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
11
56
11
0
11
11
11
56
56
56
11
11
11
11
11
10
10
11
11
613
613
24
11
11
Best forecast wave conditions in Okinawa
Rating
(10 max)
2
2
2
2
2
2
1
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
2
3
2
2
2
2
2
3
4
3
3
4
2
2
2
1
1
1
1
2
1
1
Header Global
Rating
(10 max)
5
5
4
4
4
5
5
5
4
5
5
5
5
4
4
4
5
7
7
8
6
5
5
5
  • 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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