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Surf Forecasts:
Hashikui Bay surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 am Saturday 25 Apr 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
19.8° C
(Which is slightly warmer than usual)How big are the waves at Hashikui Bay today?
The current surf forecast for Hashikui Bay at 9AM is: 0.7m 9s primary swell from a East-southeast direction and 0.4m 7s secondary swell from a South direction, 0.5m 3s secondary swell from a North direction (forecast issued at 02:00am April 25). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | 2.5ft (0.7m) | 9s |
| Afternoon (25 Apr) | 6ft (1.8m) | 10s |
| Evening (25 Apr) | 4.5ft (1.4m) | 10s |
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 28mm), heaviest during Sun night. Warm (max 21°C on Mon morning, min 14°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSE 7 | ESE 9 | ESE 9 | ESE 9 | SE 9 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 8 | ESE 8 | ESE 8 | SE 7 | SE 7 | ESE 7 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 7 | ESE 7 | SE 7 | |
41 | 56 | 70 | 65 | 90 | 624 | 286 | 400 | 408 | 363 | 636 | 439 | 494 | 514 | 199 | 193 | 183 | 126 | 115 | 79 | 56 | 36 | 36 | 25 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | on | cross-on | cross-on | cross-on | cross-on | on | on | glassy | cross-off | |
High Tide | 1:11AM1.30m | 11:27AM1.21m | 2:15AM1.37m | 1:35PM1.26m | 2:55AM1.45m | 2:52PM1.39m | ||||||||||||||||||
Low Tide | 6:43AM1.05m | 6:53PM0.51m | 8:13AM0.89m | 8:11PM0.51m | 9:01AM0.70m | |||||||||||||||||||
 | |  |  | | | |  | |  | | | | | |  | | |  | | | | |  | |
 | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:40 | — |
— | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 9 | 10 | 8 | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 12 | 15 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 18 | 18 | 17 | 15 | 15 | 14 | 14 | 18 | 21 | 21 | 19 | 17 |
9 | 9 | 9 | 12 | 16 | 16 | 15 | 14 | 14 | 15 | 14 | 13 | 16 | 15 | 15 | 14 | 13 | 10 | 13 | 17 | 19 | 20 | 19 | 16 | |
Swell 1 Height (m) Direction Period (s) | SSE 7 | ESE 9 | ESE 9 | ESE 9 | SE 9 | ESE 10 | SE 10 | S 6 | — | — | SE 10 | SE 10 | SE 8 | SE 8 | SE 13 | SE 13 | ESE 7 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 7 | S 6 | S 6 |
 kJ | 41 | 56 | 70 | 65 | 90 | 200 | 286 | 3 | — | — | 292 | 286 | 164 | 204 | 7 | 7 | 183 | 126 | 115 | 79 | 56 | 36 | 29 | 20 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | — | — | — | ESE 10 | SE 10 | SE 10 | SE 13 | S 7 | SE 13 | SE 13 | SE 13 | SE 13 | S 6 | S 6 | SSE 6 | ESE 7 | SE 7 |
| kJ | 16 | 25 | 24 | 15 | 8 | 8 | 3 | — | — | — | 39 | 27 | 48 | 7 | 1 | 7 | 7 | 7 | 7 | 6 | 9 | 12 | 36 | 25 |
Swell 3 Height (m) Direction Period (s) | SSW 8 | ESE 12 | SE 12 | SE 12 | SE 12 | — | — | — | — | — | — | S 13 | SE 13 | S 7 | — | — | S 7 | S 7 | S 7 | SE 13 | SE 13 | SSW 7 | NNE 3 | SE 12 |
| kJ | 6 | 14 | 6 | 6 | 6 | — | — | — | — | — | — | 4 | 7 | 1 | — | — | 1 | 1 | 1 | 7 | 6 | 9 | 1 | 6 |
Wind waves Height (m) Direction Period (s) | N 4 | N 4 | N 4 | N 3 | NNE 3 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 8 | ESE 8 | ESE 8 | SE 7 | SE 7 | — | N 3 | N 3 | N 3 | N 3 | NNE 3 | — | — |
| kJ | 21 | 21 | 10 | 6 | 2 | 624 | 196 | 400 | 408 | 363 | 636 | 439 | 494 | 514 | 199 | 193 | — | 5 | 8 | 6 | 5 | 2 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 3 | 3 | 3 | 3 | 264 | 264 | 75 | 75 | 75 | 75 | 504 | 404 | 391 | 358 | 3 | 3 | 19 | 3 | 3 | 264 | 3 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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