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Surf Forecasts:
Hashikui Bay surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 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 5PM is: 1.8m 5s primary swell from a North direction and 1.0m 8s secondary swell from a South direction, 0.7m 6s secondary swell from a Southeast direction (forecast issued at 08:00am April 23). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 1ft (0.3m) | 13s |
| Afternoon (23 Apr) | 3.5ft (1.1m) | 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 47mm), heaviest during Thu afternoon. Very mild (max 17°C on Sat morning, min 11°C on Fri night). Winds decreasing (fresh winds from the N on Thu afternoon, calm by Sat afternoon). | ||||||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 13 | SE 13 | SE 13 | SE 6 | N 5 | N 6 | S 8 | S 8 | N 5 | S 8 | S 8 | S 8 | N 4 | N 5 | N 4 | N 4 | SE 8 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | SE 10 | ESE 10 | ESE 10 | |
28 | 27 | 44 | 80 | 172 | 227 | 133 | 105 | 85 | 60 | 61 | 41 | 50 | 61 | 40 | 41 | 34 | 49 | 135 | 307 | 576 | 637 | 1003 | 943 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | cross-on | glassy | cross-on | cross-on | cross-on | cross-on | |
High Tide | 8:21AM1.44m | 11:30PM1.28m | 9:21AM1.31m | 1:11AM1.30m | 11:27AM1.21m | 2:15AM1.37m | ||||||||||||||||||
Low Tide | 3:53PM0.34m | 4:15AM1.09m | 5:15PM0.46m | 6:43AM1.05m | 6:53PM0.51m | |||||||||||||||||||
 |  |  | | |  |  |  |  | | | | | | | | | |  | | | | | | |
 | 5:22 | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 |
 | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:38 | — | — | 6:39 |
5 | 10 | 13 | 16 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 1 | 1 | — | |
Temp °C | 13 | 14 | 14 | 15 | 14 | 14 | 14 | 13 | 13 | 14 | 15 | 15 | 16 | 14 | 12 | 11 | 11 | 14 | 17 | 17 | 17 | 16 | 15 | 15 |
12 | 13 | 13 | 12 | 9 | 10 | 10 | 9 | 8 | 9 | 9 | 10 | 10 | 8 | 8 | 8 | 7 | 11 | 15 | 17 | 15 | 14 | 13 | 14 | |
Swell 1 Height (m) Direction Period (s) | SE 13 | SE 13 | SE 5 | SE 6 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | SSE 7 | S 7 | S 7 | SE 8 | ESE 9 | ESE 9 | ESE 10 | — | — | SE 10 | SE 10 |
 kJ | 27 | 27 | 18 | 80 | 118 | 157 | 133 | 105 | 61 | 60 | 61 | 33 | 28 | 29 | 26 | 15 | 34 | 49 | 135 | 307 | — | — | 500 | 424 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | ESE 8 | SE 13 | S 6 | SE 6 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SSW 8 | SW 8 | SSW 8 | ESE 7 | SE 6 | S 7 | S 7 | S 6 | N 3 | — | — | — | — |
| kJ | 12 | 12 | 44 | 24 | 35 | 26 | 26 | 24 | 23 | 23 | 23 | 23 | 15 | 11 | 9 | 11 | 15 | 8 | 3 | 1 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | E 9 | — | ESE 8 | SE 13 | SE 13 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | SE 12 | SE 12 | SE 12 | SE 12 | ESE 9 | ESE 12 | SE 12 | SE 12 | — | — | — | — | — |
| kJ | 28 | — | 6 | 27 | 27 | 1 | 1 | 1 | 1 | 2 | 2 | 23 | 22 | 22 | 22 | 7 | 14 | 22 | 6 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NE 3 | NE 3 | NNE 3 | N 5 | N 6 | N 5 | N 5 | N 5 | N 5 | N 5 | N 4 | N 4 | N 5 | N 4 | N 4 | N 4 | N 4 | NNE 4 | — | ESE 10 | SE 10 | ESE 10 | ESE 10 |
| kJ | — | 4 | 5 | 9 | 172 | 227 | 110 | 85 | 85 | 56 | 52 | 41 | 50 | 61 | 40 | 41 | 28 | 14 | 4 | — | 576 | 637 | 1003 | 943 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 3 | 3 | 62 | 62 | 3 | 3 | 62 | 33 | 62 | 62 | 3 | 62 | 82 | 3 | 3 | 3 | 3 | 21 | 0 | 304 | 75 | 62 | 62 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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