Tengan surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 2 am Monday 18 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 7AM is: 1.4m 9s primary swell from a East direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 02:00am May 18). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (18 May)4.5ft (1.4m)9s
Afternoon (18 May)4.5ft (1.3m)9s
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

Some drizzle, heaviest during Tue morning. Warm (max 25°C on Tue morning, min 22°C on Mon morning). Wind will be generally light.

Monday
18
Tuesday
19
Wednesday
20
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
6 PM
9 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
0
1
1
0
Swell
Height 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
1.4
E
9
1.4
E
9
1.4
E
9
1.3
E
9
1
ESE
9
1
ESE
9
1.3
E
9
1.2
E
9
1.1
E
9
1
E
9
0.9
ESE
9
1
E
9
1
E
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
Wave Graph
Metric surfscale
Energy kJ
273
278
284
291
291
251
166
166
251
209
175
146
123
162
162
132
137
108
111
119
105
105
105
103
Wind (km/h)
25
E
25
ENE
25
ENE
25
E
25
ENE
25
ENE
25
ENE
25
ENE
15
NE
15
NNE
10
NNE
5
NNW
10
WNW
15
W
15
WNW
10
WSW
10
WSW
10
SW
15
WSW
15
SW
15
SW
15
SW
15
SSW
10
S
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
glassy
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
High Tide
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
3:21PM0.00m
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
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>
7:08
7:08
7:09
1
Temp °C
22
21
21
22
23
23
22
22
23
22
22
24
25
25
24
24
24
23
23
24
24
25
24
23
20
19
19
20
21
22
20
21
24
24
24
28
28
27
26
27
27
25
25
26
25
26
26
25
Swell 1
Height (m)
Direction
Period (s)
0.1
SE
13
0.1
SE
12
0.1
SE
12
1
ESE
9
1
ESE
9
1.3
E
9
1.2
E
9
1.1
E
9
1
E
9
0.9
ESE
9
1
E
9
1
E
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
Energy kJ
7
6
6
166
166
251
209
175
146
123
162
162
132
137
108
111
119
105
105
105
103
Swell 2
Height (m)
Direction
Period (s)
0.4
NNE
5
0.4
NNE
5
0.4
NNE
5
0.2
NNE
5
0.2
NNE
5
0.2
NNE
5
0.2
NNE
5
0.3
WNW
4
0.2
WNW
4
Energy kJ
9
9
9
2
2
2
2
3
1
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
1.4
E
8
1.4
E
8
1.4
E
9
1.4
E
9
1.4
E
9
1.3
E
9
0.8
ENE
4
0.9
NE
4
0.3
NNW
5
0.4
NNW
5
0.4
W
3
0.5
W
4
0.5
W
4
0.5
W
4
0.5
W
4
0.4
SW
3
0.4
SW
3
0.4
WSW
3
0.3
WSW
3
Energy kJ
273
278
284
291
291
251
26
28
5
9
2
6
7
7
7
2
3
4
2
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
Distance (km)
12
12
12
12
12
12
13
13
13
12
12
0
0
0
0
0
0
0
0
0
11
0
0
14
Best forecast wave conditions in Okinawa
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
3
2
3
3
3
3
2
2
2
2
2
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
3
2
3
3
3
3
2
2
3
2
2
2
2
2
Header Global
Rating
(10 max)
8
6
4
4
5
7
5
4
5
4
4
4
4
4
4
4
4
4
4
4
5
4
4
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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