Tengan surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 8 pm Sunday 17 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 1.8°C colder than average for this time of year)

How big are the waves at Tengan today?

The current surf forecast for Tengan at 2AM is: 1.4m 8s primary swell from a East direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 08:00pm May 17). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (18 May)4.5ft (1.4m)9s
Afternoon (18 May)6ft (1.8m)8s
Evening (18 May)3.5ft (1.0m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 9mm), mostly falling on Mon night. Warm (max 24°C on Tue morning, min 21°C on Sun night). Wind will be generally light.

Sun
17
Monday
18
Tuesday
19
Wednesday
20
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)
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
1
0
0
1
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)
1.4
E
8
1.4
E
8
1.5
E
8
1.4
E
8
1.3
E
9
1.4
E
9
1.4
E
9
1.8
E
8
1.4
E
9
1
E
9
1.4
E
9
1.2
E
9
1.2
E
9
1.2
E
9
1
E
9
1
E
9
0.9
ESE
9
0.9
ESE
9
0.8
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.8
ESE
10
0.8
ESE
10
Wave Graph
Metric surfscale
Energy kJ
277
277
313
278
245
292
292
460
297
162
320
230
240
246
164
169
135
135
110
119
119
116
103
105
Wind (km/h)
25
ENE
25
ENE
25
ENE
20
ENE
25
ENE
25
ENE
25
ENE
25
NE
25
NE
20
NNE
20
N
5
NNW
5
WSW
20
WSW
25
WSW
25
WSW
20
WSW
15
WSW
15
SW
15
SW
20
SW
15
SW
15
SW
15
SW
on
on
on
on
cross-on
on
on
cross-on
cross-on
cross-on
cross
glassy
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
7:37PM2.02m
6:50AM2.10m
8:26PM1.99m
7:34AM2.08m
9:16PM1.91m
8:19AM2.01m
Low Tide
1:09AM0.81m
1:44PM-0.17m
1:54AM0.88m
2:31PM-0.12m
2:40AM0.95m
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
light rain
rain showers
clear
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
clear
cloud
cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:39
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
7:08
7:08
7:09
4
1
1
2
1
Temp °C
23
22
22
21
21
22
23
23
22
22
22
23
23
24
24
24
24
23
23
23
22
23
24
24
21
20
20
19
18
19
21
21
21
22
22
27
26
25
23
23
24
24
24
24
22
23
23
24
Swell 1
Height (m)
Direction
Period (s)
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
12
0.1
SE
12
1.8
E
8
1
E
9
1.4
E
9
1.2
E
9
1.2
E
9
1.2
E
9
1
E
9
1
E
9
0.9
ESE
9
0.9
ESE
9
0.8
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.8
ESE
10
0.8
ESE
10
Energy kJ
7
6
7
6
6
460
162
320
230
240
246
164
169
135
135
110
119
119
116
103
105
Swell 2
Height (m)
Direction
Period (s)
0.4
NNE
5
0.4
NNE
6
0.3
NNE
6
0.3
NNE
6
0.5
WNW
4
0.5
NW
5
0.5
NW
4
0.4
NW
4
0.4
NW
4
0.4
NW
4
Energy kJ
9
11
6
6
11
10
10
5
4
4
Swell 3
Height (m)
Direction
Period (s)
0.2
NNE
6
0.2
NNE
6
0.2
NNE
6
0.2
N
6
0.1
N
5
0.1
N
5
Energy kJ
3
3
3
2
1
1
Wind waves
Height (m)
Direction
Period (s)
1.4
E
8
1.4
E
8
1.5
E
8
1.4
E
8
1.3
E
9
1.4
E
9
1.4
E
9
1.3
E
9
1.4
E
9
0.9
NE
5
0.6
NNE
5
0.3
WNW
3
0.5
W
3
0.6
WSW
3
0.7
WSW
4
0.6
W
4
0.4
SW
4
0.6
SW
3
0.5
SW
4
0.5
SW
4
0.4
SW
3
0.4
SW
3
Energy kJ
277
277
313
278
245
292
292
245
297
37
18
1
5
9
14
11
3
7
6
6
4
4
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
2
1
1
3
1
1
1
2
2
2
2
1
1
1
1
1
1
Distance (km)
13
12
12
12
12
12
12
12
647
23
27
0
0
0
56
14
14
11
0
11
11
0
11
24
Best forecast wave conditions in Okinawa
Rating
(10 max)
2
2
2
2
2
2
2
3
1
3
3
3
2
3
2
2
2
2
2
2
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
2
2
2
2
2
3
1
2
3
3
3
2
3
3
3
4
3
3
3
3
2
2
Header Global
Rating
(10 max)
7
4
8
6
4
4
5
6
5
4
5
4
5
4
4
4
4
4
4
4
4
4
4
4
  • 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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