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Surf Forecasts:
Hashikui Bay surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 am Thursday 23 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
19.3° 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 6AM is: 0.4m 9s primary swell from a East direction and 0.3m 13s secondary swell from a Southeast direction, 0.3m 8s secondary swell from a East-southeast direction, 0.4m 3s secondary swell from a Northeast direction (forecast issued at 02:00am April 23). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 1.5ft (0.4m) | 13s |
| Afternoon (23 Apr) | 3.5ft (1.0m) | 6s |
| Evening (23 Apr) | 6ft (1.8m) | 6s |
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 46mm), heaviest during Thu afternoon. Very mild (max 16°C on Sat afternoon, min 12°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | ||||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 6 | N 5 | N 6 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | ESE 7 | ESE 8 | ESE 9 | ESE 9 | SE 9 | SE 10 | SE 10 | |
28 | 27 | 28 | 44 | 44 | 75 | 149 | 212 | 130 | 103 | 80 | 63 | 64 | 33 | 30 | 40 | 38 | 31 | 45 | 50 | 423 | 253 | 368 | 535 | |
Wind (km/h) | ||||||||||||||||||||||||
off | glassy | 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-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross-off | cross | cross-on | |
High Tide | 10:02PM1.34m | 8:21AM1.44m | 11:30PM1.28m | 9:21AM1.31m | 1:11AM1.30m | 11:27AM1.21m | ||||||||||||||||||
Low Tide | 2:54AM1.02m | 3:53PM0.34m | 4:15AM1.09m | 5:15PM0.46m | 6:43AM1.05m | 6:53PM0.51m | ||||||||||||||||||
 | |  |  | |  | |  | | |  | | | | | | | | | | | | | | |
 | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:38 | — |
— | — | 4 | 7 | 8 | 15 | 6 | 1 | 1 | — | — | — | — | 2 | 1 | — | — | — | 3 | — | — | — | 1 | — | |
Temp °C | 18 | 16 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 12 | 12 | 12 | 15 | 15 | 16 | 15 | 15 |
17 | 14 | 12 | 11 | 13 | 11 | 9 | 10 | 11 | 9 | 9 | 8 | 8 | 9 | 9 | 9 | 8 | 9 | 9 | 13 | 14 | 15 | 14 | 13 | |
Swell 1 Height (m) Direction Period (s) | SE 9 | ESE 9 | SE 13 | SE 13 | SE 5 | SE 6 | ESE 6 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | ESE 7 | ESE 8 | ESE 9 | ESE 9 | SE 9 | SE 9 | — |
 kJ | 21 | 15 | 27 | 44 | 10 | 75 | 51 | 134 | 130 | 103 | 80 | 63 | 64 | 33 | 30 | 40 | 38 | 31 | 45 | 50 | 135 | 253 | 128 | — |
Swell 2 Height (m) Direction Period (s) | SE 13 | SE 13 | ESE 8 | ESE 8 | SE 13 | SSW 6 | SSW 7 | ESE 6 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SSW 8 | SW 8 | SE 12 | SE 7 | S 7 | S 7 | S 7 | S 7 | S 15 | — | — |
| kJ | 28 | 27 | 12 | 12 | 44 | 10 | 63 | 15 | 26 | 24 | 23 | 23 | 23 | 24 | 15 | 22 | 11 | 25 | 15 | 8 | 4 | 4 | — | — |
Swell 3 Height (m) Direction Period (s) | SE 11 | SE 11 | E 9 | — | ESE 8 | SE 13 | SE 13 | SE 13 | E 7 | E 8 | E 8 | E 9 | E 9 | SE 12 | SE 12 | ESE 6 | SE 12 | SE 12 | ESE 12 | SE 12 | N 3 | — | — | — |
| kJ | 5 | 5 | 28 | — | 6 | 27 | 27 | 26 | 4 | 5 | 1 | 2 | 2 | 23 | 22 | 4 | 22 | 22 | 14 | 22 | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 3 | — | NE 3 | NE 3 | NE 3 | N 4 | N 5 | N 6 | N 5 | N 5 | N 5 | N 5 | N 5 | NNE 4 | NNE 4 | N 4 | NNE 3 | N 3 | N 4 | N 3 | ESE 9 | ESE 5 | SE 10 | SE 10 |
| kJ | 1 | — | 2 | 3 | 3 | 9 | 149 | 212 | 114 | 80 | 66 | 51 | 52 | 26 | 11 | 6 | 3 | 8 | 9 | 4 | 423 | 19 | 368 | 535 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 3 | 3 | 3 | 3 | 62 | 62 | 3 | 3 | 62 | 3 | 62 | 62 | 3 | 3 | 3 | 3 | 19 | 62 | 3 | 0 | 0 | 322 | 62 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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