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Surf Forecasts:
Tengan surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Monday 18 May 2026 JSTForecast 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) & Date | Wave Height | Wave 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 ForecastSome 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 | |
Swell Height Map |    |    |    | |||||||||||||||||||||
E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 | E 9 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | |
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) | ||||||||||||||||||||||||
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 | ||||||||||||||||||
 | |  | |  | | |  | | | |  | | | | | | | | | | |  | | |
 | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 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) | SE 13 | SE 12 | SE 12 | — | — | — | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 | E 9 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
 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) | — | — | — | — | — | — | — | — | — | — | — | NNE 5 | NNE 5 | NNE 5 | — | NNE 5 | NNE 5 | NNE 5 | NNE 5 | — | WNW 4 | WNW 4 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 9 | 9 | 9 | — | 2 | 2 | 2 | 2 | — | 3 | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | ENE 4 | NE 4 | — | — | — | — | — | NNW 5 | NNW 5 | W 3 | W 4 | W 4 | W 4 | W 4 | SW 3 | SW 3 | WSW 3 | WSW 3 |
| kJ | 273 | 278 | 284 | 291 | 291 | 251 | 26 | 28 | — | — | — | — | — | 5 | 9 | 2 | 6 | 7 | 7 | 7 | 2 | 3 | 4 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
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 | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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