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Surf Forecasts:
Hashikui Bay surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 am Friday 17 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
18.6° 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 5PM is: 1.5m 14s primary swell from a South-southeast direction and 0.6m 18s secondary swell from a South-southeast direction, 1.3m 6s secondary swell from a Southeast direction (forecast issued at 08:00am April 17). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | 5ft (1.6m) | 15s |
| Afternoon (17 Apr) | 5ft (1.5m) | 14s |
| Evening (17 Apr) | 4ft (1.2m) | 14s |
Table - waves today at Hashikui Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| 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) (?) | 15 | 15 | 14 | 14 | 14 | 14 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1045 | 1045 | 961 | 947 | 934 | 581 | 675 | 1671 | 2007 | 1721 | 1699 | 1699 | 1663 | 1619 | 1597 | 1554 | 1387 | 1253 | 1130 | 1220 | 1382 | 1505 | 1484 | 1336 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- off | cross | cross- off | cross- off | cross | cross | cross- on | cross- on | glass | cross- off | cross- off | cross- off | glass | cross | cross- on | cross- on | cross- on | on | cross- on | off | cross- off | off | glass |
High Tide / height (m) | 5:25AM 1.70 | 6:14PM 1.76 | 5:50AM 1.72 | 6:51PM 1.73 | 6:16AM 1.72 | 7:30PM 1.66 | ||||||||||||||||||
Low Tide / height (m) | 11:46AM 0.03 | 12:04AM 0.49 | 12:19PM -0.03 | 12:34AM 0.59 | 12:53PM -0.04 | 1:03AM 0.69 | ||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| Sunrise | 5:30 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:26 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:32 | - | - | - | - | - | - | - | 6:34 | - | - | - | - | - | - | - | 6:35 | - | - | - |
 | | | | |  | | |  |  | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 15 | 16 | 18 | 18 | 18 | 16 | 16 | 16 | 15 | 19 | 21 | 21 | 18 | 17 | 17 | 16 |
| Feels °C (?) | 14 | 17 | 14 | 15 | 14 | 13 | 14 | 15 | 14 | 16 | 18 | 17 | 18 | 16 | 16 | 15 | 13 | 16 | 18 | 19 | 18 | 16 | 17 | 16 |
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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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