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Surf Forecasts:
Hashikui Bay surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 pm Sunday 31 May 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
22.5° C
(Which is slightly warmer than usual)How big are the waves at Hashikui Bay today (31 May):
- Afternoon surf: Afternoon surf (31 May, local time) - 3.5ft (1.1m), 12s period with S swell.
- Evening surf: Evening surf (31 May, local time) - 6ft (1.8m), 12s period with S swell.
The current surf forecast for Hashikui Bay at 7PM is: 1.5m 12s primary swell from a South direction and 0.3m 12s secondary swell from a Southeast direction, 0.3m 12s secondary swell from a Southeast direction (forecast issued at 02:00pm May 31). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | - | - |
| Afternoon (31 May) | 3.5ft (1.1m) | 12s |
| Evening (31 May) | 6ft (1.8m) | 12s |
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 254mm), heaviest during Tue night. Warm (max 27°C on Sun afternoon, min 18°C on Sun night). Winds increasing (calm on Sun night, gales from the N by Wed morning). | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 13 | S 12 | S 12 | S 12 | S 11 | S 11 | S 14 | S 14 | S 13 | S 14 | S 13 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SE 10 | S 14 | S 14 | |
255 | 359 | 547 | 909 | 311 | 191 | 377 | 918 | 901 | 1048 | 915 | 1065 | 1162 | 1225 | 1138 | 1237 | 1329 | 867 | 1002 | 1047 | 1374 | 3314 | 6705 | 8889 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross | cross-off | cross-off | cross-off | off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | |
High Tide | 6:27PM1.75m | 5:20AM1.79m | 7:07PM1.74m | 5:55AM1.79m | 7:47PM1.71m | 6:33AM1.75m | ||||||||||||||||||
Low Tide | 11:36AM0.01m | 11:51PM0.92m | 12:14PM-0.01m | 00:27AM0.95m | 12:52PM0.01m | 1:06AM0.97m | ||||||||||||||||||
 |  |  |  | |  | | | | | |  |  | |  | |  |  | |  | | | | | |
 | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — |
 | — | — | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | 7:07 |
— | — | — | — | — | — | — | — | — | — | — | — | 2 | 4 | 2 | 5 | 11 | 10 | 9 | 12 | 26 | 57 | 78 | 24 | |
Temp °C | 26 | 27 | 24 | 20 | 19 | 18 | 19 | 22 | 23 | 23 | 22 | 21 | 20 | 19 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 20 | 20 |
27 | 27 | 24 | 19 | 18 | 19 | 21 | 22 | 22 | 23 | 23 | 22 | 21 | 21 | 21 | 19 | 19 | 19 | 19 | 20 | 18 | 18 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | S 13 | S 12 | SE 12 | S 15 | S 11 | SSE 7 | SSE 6 | S 14 | S 13 | S 14 | S 13 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | S 14 | S 14 |
 kJ | 255 | 359 | 22 | 107 | 311 | 158 | 80 | 918 | 901 | 1048 | 915 | 1065 | 1162 | 1225 | 1138 | 1237 | 1329 | 867 | 1002 | 1047 | 1374 | 2620 | 6705 | 8889 |
Swell 2 Height (m) Direction Period (s) | SSE 5 | ESE 12 | SE 12 | SE 12 | S 15 | S 11 | S 14 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SW 15 | SE 10 | — | — | — | SE 11 | SE 11 |
| kJ | 5 | 14 | 22 | 22 | 159 | 191 | 377 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 17 | 16 | 16 | 930 | 16 | — | — | — | 3408 | 2005 |
Swell 3 Height (m) Direction Period (s) | ESE 12 | SE 12 | — | ESE 12 | SE 12 | S 14 | S 11 | ESE 10 | ESE 11 | SE 11 | ESE 11 | SE 11 | ESE 9 | ESE 10 | — | SE 12 | SE 12 | — | — | — | — | — | SSE 12 | — |
| kJ | 13 | 23 | — | 14 | 21 | 144 | 188 | 19 | 12 | 19 | 46 | 19 | 17 | 18 | — | 6 | 6 | — | — | — | — | — | 1595 | — |
Wind waves Height (m) Direction Period (s) | — | — | S 12 | S 12 | SSE 7 | — | — | — | SE 5 | SSE 4 | SE 5 | SSE 5 | SSE 5 | — | E 9 | E 9 | SE 6 | SE 6 | SE 7 | SE 8 | SE 8 | SE 10 | NE 6 | N 8 |
| kJ | — | — | 547 | 909 | 192 | — | — | — | 21 | 22 | 31 | 39 | 29 | — | 7 | 7 | 189 | 193 | 357 | 617 | 1118 | 3314 | 450 | 3687 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 29 | 565 | 29 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 62 | 75 | 350 | 457 | 563 | 350 | 457 | 454 | 304 | 304 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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