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Surf Forecasts:
Hashikui Bay surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 pm Wednesday 20 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
21.4° 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 11PM is: 0.6m 10s primary swell from a Southeast direction (forecast issued at 02:00pm May 20). An open ocean swell of 1.0m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | - | - |
| Afternoon (20 May) | 2ft (0.6m) | 10s |
| Evening (20 May) | 2ft (0.6m) | 10s |
Table - waves today at Hashikui Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 19mm), heaviest on Fri night. Warm (max 25°C on Thu morning, min 18°C on Fri night). Winds increasing (calm on Thu night, fresh winds from the ESE by Sat morning). | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | S 6 | S 7 | S 7 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | S 8 | S 7 | S 7 | S 7 | S 7 | SE 5 | SE 6 | SE 6 | SE 6 | |
89 | 84 | 82 | 80 | 79 | 64 | 132 | 233 | 254 | 443 | 588 | 408 | 335 | 259 | 212 | 138 | 106 | 81 | 79 | 61 | 61 | 69 | 120 | 209 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | cross-on | on | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross | cross | cross | |
High Tide | 8:56PM1.57m | 7:34AM1.61m | 9:48PM1.50m | 8:23AM1.50m | 10:47PM1.46m | |||||||||||||||||||
Low Tide | 1:57PM0.10m | 2:09AM1.00m | 2:42PM0.22m | 3:03AM1.03m | 3:34PM0.37m | 4:17AM1.03m | ||||||||||||||||||
 |  | |  |  |  |  | | | | | | | |  | | | | | |  |  | | | |
 | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:56 | — | — |
 | — | — | 6:58 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | 7:00 |
— | 2 | — | — | — | — | — | — | — | 1 | — | — | — | — | 1 | 1 | — | — | — | — | 1 | 6 | 3 | 2 | |
Temp °C | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 24 | 25 | 24 | 23 | 23 | 22 | 21 | 21 | 23 | 24 | 24 | 21 | 19 | 18 | 19 | 20 | 20 |
25 | 25 | 25 | 25 | 24 | 23 | 24 | 25 | 25 | 24 | 23 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 19 | 18 | 19 | 18 | 17 | 17 | |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SSW 8 | SSW 8 | S 8 | S 7 | S 7 | S 7 | S 7 | SSE 6 | SE 6 | SSW 6 | SW 6 |
 kJ | 89 | 84 | 82 | 80 | 79 | 64 | 61 | 42 | 65 | 40 | 42 | 45 | 23 | 259 | 212 | 138 | 106 | 81 | 79 | 61 | 36 | 69 | 4 | 2 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | — | — | — | — | — | — | — | — | — | — | — | — | SE 10 | SE 10 | SE 10 | ESE 10 | SE 10 | ESE 10 | ESE 10 | SSW 7 | SW 7 | S 6 | — |
| kJ | 25 | — | — | — | — | — | — | — | — | — | — | — | — | 23 | 23 | 24 | 18 | 23 | 18 | 10 | 19 | 11 | 7 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 10 | N 3 | ESE 9 | ESE 10 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | 2 | 16 | 9 | — |
Wind waves Height (m) Direction Period (s) | — | SSE 7 | SSE 7 | SSE 7 | S 6 | S 6 | S 6 | S 7 | S 7 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | — | NE 3 | NNE 3 | N 3 | N 4 | N 4 | N 4 | SE 5 | SE 6 | SE 6 | SE 6 |
| kJ | — | 34 | 50 | 50 | 67 | 98 | 132 | 233 | 254 | 443 | 588 | 408 | 335 | — | 2 | 2 | 7 | 11 | 7 | 7 | 61 | 36 | 120 | 209 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 3 | 19 | 3 | 19 | 3 | 62 | 82 | 308 | 308 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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