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Surf Forecasts:
Hashikui Bay surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 am Sunday 17 May 2026 JSTForecast update in hr min s Forecast update imminent
Hashikui Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hashikui Bay sea temperature is
20.8° C
(Which is normal for this time of year)How big are the waves at Hashikui Bay today?
The current surf forecast for Hashikui Bay at 5AM is: 0.5m 8s primary swell from a Southeast direction and 0.3m 10s secondary swell from a Southeast direction (forecast issued at 02:00am May 17). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 1.5ft (0.5m) | 8s |
| Afternoon (17 May) | 1.5ft (0.5m) | 8s |
| Evening (17 May) | 1ft (0.3m) | 11s |
Table - waves today at Hashikui Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 36mm), heaviest during Tue night. Warm (max 26°C on Sun afternoon, min 18°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 11 | SE 10 | SE 10 | SE 10 | ESE 10 | SE 10 | SE 8 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | |
37 | 37 | 29 | 30 | 31 | 35 | 37 | 25 | 26 | 16 | 47 | 38 | 24 | 17 | 26 | 27 | 28 | 28 | 28 | 71 | 90 | 112 | 137 | 72 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross | on | on | on | cross-off | glassy | cross-off | glassy | glassy | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | glassy | |
High Tide | 5:15AM1.76m | 6:47PM1.74m | 5:46AM1.77m | 7:27PM1.69m | 6:19AM1.74m | 8:10PM1.63m | ||||||||||||||||||
Low Tide | 11:40PM0.78m | 12:01PM-0.03m | 00:14AM0.84m | 12:38PM-0.03m | 00:49AM0.90m | 1:16PM0.01m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | |  |  |  | |
 | — | 5:00 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:58 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 19 | 18 | 18 | 22 | 25 | 26 | 24 | 21 | 20 | 19 | 19 | 23 | 24 | 24 | 22 | 19 | 19 | 18 | 19 | 22 | 23 | 23 | 20 | 19 |
20 | 18 | 17 | 22 | 24 | 25 | 25 | 21 | 19 | 18 | 19 | 24 | 23 | 23 | 23 | 20 | 20 | 19 | 20 | 22 | 23 | 22 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | ESE 8 | SE 8 | SE 7 | SE 10 | ESE 10 | SE 8 | SE 8 | SE 10 | SE 10 | SE 4 | SE 10 | SE 7 | SE 11 | SE 11 | SE 11 | S 9 | SE 11 |
 kJ | 37 | 37 | 29 | 30 | 31 | 35 | 37 | 25 | 16 | 14 | 47 | 38 | 16 | 17 | 26 | 27 | 3 | 28 | 19 | 71 | 90 | 112 | 2 | 72 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 10 | SE 10 | SE 12 | SE 12 | SE 10 | SE 10 | SE 7 | SE 8 | SE 10 | SE 4 | SE 10 | SE 7 | — | S 9 | S 9 | S 9 |
| kJ | 16 | 16 | 16 | 16 | 16 | 16 | 19 | 19 | 26 | 16 | 6 | 6 | 24 | 16 | 9 | 15 | 28 | 4 | 28 | 9 | — | 2 | 6 | 7 |
Swell 3 Height (m) Direction Period (s) | SE 14 | SE 14 | SE 14 | SE 14 | SE 14 | SE 14 | NNE 3 | NNE 3 | — | SE 12 | SE 12 | SE 7 | SSE 8 | SE 12 | ESE 10 | — | SE 8 | SE 7 | — | — | — | — | — | — |
| kJ | 8 | 8 | 8 | 8 | 8 | 8 | 1 | 1 | — | 6 | 6 | 2 | 6 | 6 | 19 | — | 14 | 8 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NNE 2 | NE 3 | — | — | — | — | — | — | — | SSE 8 | SSE 3 | SSE 4 | — | — | SE 4 | SE 3 | SE 4 | SSE 4 | SE 11 | SSE 7 |
| kJ | — | — | — | — | 1 | 2 | — | — | — | — | — | — | — | 11 | 3 | 5 | — | — | 4 | 3 | 3 | 3 | 137 | 26 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 3 | 3 | 3 | 3 | 3 | 0 | 3 | 3 | 3 | 0 | 16 | 404 | 29 | 0 | 16 | 16 | 16 | 3 | 0 | 0 | 322 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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