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Surf Forecasts:
Hashikui Bay surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 pm Tuesday 14 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
18.0° C
(Which is slightly cooler than normal)How big are the waves at Hashikui Bay today?
The current surf forecast for Hashikui Bay at 2AM is: 0.8m 12s primary swell from a Southeast direction and 0.7m 5s secondary swell from a South-southeast direction (forecast issued at 08:00pm April 14). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Apr) | 2.5ft (0.7m) | 18s |
| Afternoon (15 Apr) | 5ft (1.5m) | 16s |
| Evening (15 Apr) | 6ft (1.8m) | 16s |
Table - waves today at Hashikui Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tue 14 | Wednesday 15 | Thursday 16 | Friday 17 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 13 | 18 | 17 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 15 | 13 | 15 | 14 | 14 | 15 | 15 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 175 | 207 | 207 | 210 | 265 | 270 | 1012 | 1184 | 1611 | 1551 | 1531 | 1396 | 1203 | 1016 | 1206 | 569 | 1158 | 1142 | 1142 | 1158 | 1158 | 1254 | 1222 | 1206 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | glass | glass | glass | glass | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | glass | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:17PM 1.59 | 4:35AM 1.61 | 4:58PM 1.69 | 5:00AM 1.66 | 5:36PM 1.75 | 5:25AM 1.70 | ||||||||||||||||||
Low Tide / height (m) | 10:28PM 0.35 | 10:44AM 0.28 | 11:02PM 0.37 | 11:15AM 0.14 | 11:34PM 0.42 | 11:46AM 0.03 | ||||||||||||||||||
Tue 14 | Wednesday 15 | Thursday 16 | Friday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:30 | - | - | - |
| Sunset | 6:30 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - |
 |  | | | | | | | | |  |  |  | | | | |  | | |  | | | | |
Rain (mm) | 1 | 3 | 4 | 1 | 1 | 2 | 1 | 3 | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 17 | 17 | 17 | 17 | 16 | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 16 | 17 | 19 | 17 | 12 | 11 | 12 | 14 | 16 | 18 | 17 |
| Feels °C (?) | 17 | 16 | 18 | 19 | 19 | 17 | 18 | 18 | 16 | 15 | 15 | 12 | 10 | 9 | 9 | 12 | 13 | 7 | 7 | 10 | 13 | 16 | 16 | 14 |
- Map Icons:
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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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