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Surf Forecasts:
Aoshima Harbour surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 pm Wednesday 29 Apr 2026 JSTForecast update in hr min s Forecast update imminent
Aoshima Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aoshima Harbour sea temperature is
21.9° C
(Which is normal for this time of year)How big are the waves at Aoshima Harbour today?
The current surf forecast for Aoshima Harbour at 11PM is: 0.8m 6s primary swell from a Northeast direction and 0.2m 10s secondary swell from a East-southeast direction, 0.2m 8s secondary swell from a East direction (forecast issued at 08:00pm April 29). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | - | - |
| Afternoon (29 Apr) | - | - |
| Evening (29 Apr) | 2.5ft (0.7m) | 5s |
Table - waves today at Aoshima Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 72mm), heaviest during Thu morning. Warm (max 23°C on Sat afternoon, min 15°C on Wed night). Winds decreasing (fresh winds from the WNW on Fri morning, light winds from the SW by Sat morning). | ||||||||||||||||||||||||
Wed 29 | Thursday 30 | Friday 1 | Saturday 2 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
ESE 10 | NE 5 | NE 6 | NE 6 | NE 5 | NE 5 | E 6 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 10 | |
11 | 25 | 46 | 33 | 28 | 35 | 141 | 240 | 330 | 306 | 272 | 217 | 149 | 95 | 84 | 66 | 48 | 34 | 24 | 23 | 24 | 38 | 38 | 55 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross | cross-off | |
High Tide | 4:46PM1.83m | 4:41AM1.89m | 5:28PM1.91m | 5:09AM1.94m | 6:08PM1.96m | 5:36AM1.97m | ||||||||||||||||||
Low Tide | 10:43PM0.54m | 11:05AM0.18m | 11:19PM0.59m | 11:38AM0.04m | 11:53PM0.66m | 12:12PM-0.05m | ||||||||||||||||||
 |  |  |  |  | | |  |  | | |  |  | | | | | |  | | |  | | | |
 | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — |
 | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | 6:53 |
— | — | 1 | 6 | 11 | 16 | 21 | 10 | 5 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 18 | 16 | 15 | 15 | 15 | 17 | 18 | 18 | 18 | 18 | 17 | 16 | 17 | 19 | 20 | 19 | 16 | 15 | 15 | 15 | 19 | 21 | 23 |
17 | 15 | 14 | 13 | 11 | 11 | 17 | 16 | 16 | 17 | 17 | 14 | 12 | 12 | 11 | 13 | 16 | 13 | 13 | 13 | 13 | 17 | 18 | 19 | |
Swell 1 Height (m) Direction Period (s) | E 8 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ENE 6 | SE 9 | S 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 4 | 10 | 10 | 20 | 19 | 18 | 74 | 13 | 46 | 306 | 272 | 217 | 149 | 95 | 84 | 66 | 48 | 34 | 23 | 23 | 24 | 38 | 38 | 55 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | E 8 | E 8 | E 7 | SE 8 | SE 8 | SE 10 | S 5 | — | S 8 | S 8 | S 8 | S 7 | S 7 | S 7 | SE 10 | SE 9 | SE 10 | SE 10 | ENE 8 | E 8 | E 8 | E 9 | S 5 |
| kJ | 11 | 5 | 5 | 4 | 3 | 3 | 15 | 5 | — | 168 | 142 | 118 | 107 | 48 | 23 | 24 | 22 | 24 | 24 | 13 | 12 | 12 | 6 | 1 |
Swell 3 Height (m) Direction Period (s) | SE 5 | SE 6 | SE 6 | E 10 | E 10 | SE 11 | E 10 | — | — | SE 9 | SE 9 | ESE 9 | SE 9 | SE 9 | SE 8 | S 6 | S 6 | S 6 | S 6 | N 6 | — | — | — | — |
| kJ | 1 | 1 | 1 | 2 | 2 | 4 | 8 | — | — | 19 | 21 | 8 | 20 | 20 | 18 | 7 | 3 | 1 | 1 | 3 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 5 | NE 5 | NE 6 | NE 6 | NE 5 | NE 5 | E 6 | E 7 | E 7 | — | — | WSW 2 | W 4 | W 3 | W 4 | W 4 | W 4 | WSW 2 | WSW 2 | W 2 | — | WSW 4 | SSW 5 | — |
| kJ | 9 | 25 | 46 | 33 | 28 | 35 | 141 | 240 | 330 | — | — | 1 | 19 | 5 | 12 | 12 | 4 | 1 | 1 | 1 | — | 2 | 3 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 862 | 850 | 233 | 1235 | 1235 | 1235 | 1235 | 850 | 850 | 39 | 49 | 39 | 0 | 0 | 3 | 3 | 61 | 359 | 3 | 0 | 1 | 1 | 19 | 0 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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