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Surf Forecasts:
Hashikui Bay surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 pm Sunday 10 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
20.1° 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 2AM is: 0.5m 10s primary swell from a Southeast direction (forecast issued at 08:00pm May 10). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 1.5ft (0.5m) | 9s |
| Afternoon (11 May) | 1.5ft (0.5m) | 9s |
| Evening (11 May) | 1.5ft (0.5m) | 10s |
Table - waves today at Hashikui Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Tue morning. Warm (max 21°C on Mon morning, min 15°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wednesday 13 | |||||||||||||||||||||
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 | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | |
64 | 61 | 60 | 45 | 43 | 41 | 41 | 40 | 54 | 50 | 48 | 47 | 65 | 135 | 230 | 230 | 235 | 251 | 225 | 173 | 170 | 141 | 123 | 123 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | glassy | glassy | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | glassy | glassy | cross-on | cross-on | |
High Tide | 1:59AM1.44m | 2:02PM1.34m | 2:39AM1.51m | 3:09PM1.46m | 3:14AM1.57m | |||||||||||||||||||
Low Tide | 7:05PM0.59m | 8:12AM0.77m | 8:14PM0.61m | 8:59AM0.59m | 9:08PM0.63m | 9:38AM0.40m | ||||||||||||||||||
 |  | | | | |  | | | |  |  | |  |  | | | | | | | | | | |
 | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:03 | — | — | — | — |
 | 6:51 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | 6:52 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 17 | 16 | 15 | 16 | 20 | 21 | 20 | 19 | 16 | 16 | 18 | 18 | 19 | 19 | 20 | 20 | 18 | 18 | 18 | 17 | 19 | 20 | 20 |
18 | 16 | 14 | 13 | 15 | 19 | 18 | 17 | 17 | 15 | 16 | 18 | 19 | 18 | 18 | 18 | 19 | 17 | 17 | 18 | 17 | 19 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | S 10 | S 10 | S 10 | — | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 |
 kJ | 64 | 61 | 60 | 45 | 43 | 41 | 41 | 40 | 54 | 50 | 48 | 47 | 65 | 135 | 2 | 2 | 2 | — | 225 | 173 | 170 | 141 | 123 | 123 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SE 11 | SE 12 | SE 11 | S 12 | S 12 | S 11 | SE 3 | S 11 | — | — | S 10 | S 10 | — | — | — | SE 11 | S 10 | S 10 | — |
| kJ | — | — | — | — | — | 5 | 5 | 19 | 3 | 3 | 2 | 3 | 2 | — | — | 2 | 2 | — | — | — | 20 | 2 | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | S 11 | SSE 8 | — | — | — | — | — | — | — | — | — | S 10 | S 10 | S 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | 2 | 6 | — | — | — | — | — | — | — | — | — | 2 | 2 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | SSW 2 | SSE 2 | — | SE 3 | SSE 3 | SSE 3 | SE 3 | SE 3 | SE 3 | SE 4 | SE 4 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | — | — | — | — | — |
| kJ | — | — | — | 1 | 1 | — | 2 | 3 | 4 | 3 | 3 | 4 | 3 | 9 | 230 | 230 | 235 | 251 | 125 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 16 | 3 | 29 | 29 | 29 | 0 | 0 | 0 | 0 | 0 | 62 | 0 | 62 | 0 | 0 | 33 | 62 | 0 | 0 | 457 | 21 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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