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Surf Forecasts:
Hashikui Bay surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 am Monday 13 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
17.8° C
(Which is slightly cooler than normal)How big are the waves at Hashikui Bay today?
The current surf forecast for Hashikui Bay at 4PM is: 0.4m 11s primary swell from a Southeast direction and 0.4m 9s secondary swell from a Southeast direction (forecast issued at 08:00am April 13). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Apr) | 2ft (0.6m) | 11s |
| Afternoon (13 Apr) | 1.5ft (0.4m) | 11s |
| Evening (13 Apr) | 2ft (0.6m) | 11s |
Table - waves today at Hashikui Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 13 | Tuesday 14 | Wednesday 15 | Thu 16 | |||||||||||||||||||||
| 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) (?) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 12 | 17 | 16 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 76 | 77 | 77 | 31 | 79 | 80 | 103 | 123 | 97 | 97 | 132 | 141 | 175 | 175 | 207 | 210 | 265 | 301 | 1137 | 1271 | 1390 | 1721 | 1699 | 1776 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | off | cross- off | off | off | glass | glass | glass | glass | cross- off | cross- off | cross- off | off | off | glass | glass | cross- off | cross- off | cross- off | cross | cross | on | cross- on |
High Tide / height (m) | 3:42AM 1.47 | 3:30PM 1.46 | 4:09AM 1.54 | 4:17PM 1.59 | 4:35AM 1.61 | 4:58PM 1.69 | ||||||||||||||||||
Low Tide / height (m) | 9:40AM 0.64 | 9:50PM 0.36 | 10:13AM 0.45 | 10:28PM 0.35 | 10:44AM 0.28 | 11:02PM 0.37 | ||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thu 16 | |||||||||||||||||||||
| Sunrise | 5:35 | - | - | - | - | - | - | - | 5:33 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:31 | - | - | - |
 | | | | |  | |  |  |  | | | | | | | | | | |  |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 7 | 6 | 11 | 7 |
| Temp. °C | 17 | 18 | 17 | 18 | 17 | 16 | 16 | 15 | 15 | 17 | 19 | 20 | 18 | 17 | 17 | 16 | 16 | 17 | 18 | 18 | 17 | 17 | 16 | 15 |
| Feels °C (?) | 17 | 18 | 17 | 17 | 17 | 16 | 16 | 15 | 15 | 17 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 17 | 18 | 19 | 18 | 18 | 17 | 14 |
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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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