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Surf Forecasts:
Hashikui Bay surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 am Monday 20 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
18.3° C
(Which is slightly cooler than normal)How big are the waves at Hashikui Bay today?
The current surf forecast for Hashikui Bay at 12PM is: 1.3m 13s primary swell from a Southeast direction and 1.0m 5s secondary swell from a Southeast direction (forecast issued at 08:00am April 20). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 5ft (1.5m) | 13s |
| Afternoon (20 Apr) | 4.5ft (1.3m) | 13s |
| Evening (20 Apr) | 3.5ft (1.1m) | 12s |
Table - waves today at Hashikui Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 14 | 14 | 14 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1119 | 767 | 618 | 552 | 418 | 347 | 336 | 282 | 325 | 243 | 166 | 123 | 105 | 76 | 75 | 58 | 39 | 38 | 38 | 29 | 28 | 28 | 28 | 27 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | on | cross- on | glass | cross- on | cross- on | cross | glass |
High Tide / height (m) | 6:43AM 1.69 | 8:12PM 1.56 | 7:11AM 1.64 | 9:00PM 1.45 | 7:43AM 1.55 | 10:02PM 1.34 | ||||||||||||||||||
Low Tide / height (m) | 1:29PM -0.00 | 1:34AM 0.81 | 2:08PM 0.08 | 2:09AM 0.92 | 2:54PM 0.20 | 2:54AM 1.02 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| Sunrise | 5:26 | - | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:36 | - | - | - | - | - | - | - | 6:37 | - | - | - |
 | | |  | |  |  |  |  | |  | | | | | | |  | | | |  | | | |
Rain (mm) | 1 | 2 | 2 | 2 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 18 | 19 | 18 | 18 | 18 | 16 | 16 | 16 | 16 | 19 | 20 | 17 | 13 | 12 | 12 | 12 | 17 | 19 | 18 | 17 | 16 | 16 | 15 |
| Feels °C (?) | 17 | 16 | 17 | 17 | 17 | 18 | 16 | 16 | 15 | 9 | 12 | 13 | 12 | 8 | 8 | 8 | 8 | 14 | 16 | 15 | 15 | 13 | 13 | 12 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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