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Surf Forecasts:
Aoshima Harbour surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 am Tuesday 28 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
22.1° 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 4PM is: 0.4m 8s primary swell from a East direction and 0.2m 12s secondary swell from a East-southeast direction (forecast issued at 02:00am April 28). An open ocean swell of 0.3m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 1.5ft (0.5m) | 8s |
| Afternoon (28 Apr) | 1.5ft (0.4m) | 8s |
| Evening (28 Apr) | 0.5ft (0.2m) | 12s |
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 55mm), heaviest during Thu afternoon. Warm (max 26°C on Tue afternoon, min 15°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 28 | Wednesday 29 | Thursday 30 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 12 | ESE 12 | E 8 | E 8 | E 8 | ESE 10 | ESE 10 | NE 5 | NNE 6 | NNE 6 | NE 5 | E 10 | ESE 10 | ESE 9 | E 9 | SE 10 | SE 9 | |
58 | 55 | 40 | 28 | 28 | 18 | 18 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 25 | 127 | 68 | 28 | 17 | 18 | 29 | 15 | 23 | 21 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | off | off | off | off | off | off | cross-off | cross-off | glassy | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | |
High Tide | 3:44AM1.76m | 4:00PM1.70m | 4:14AM1.83m | 4:46PM1.83m | 4:41AM1.89m | 5:28PM1.91m | ||||||||||||||||||
Low Tide | 9:19PM0.51m | 9:57AM0.56m | 10:04PM0.51m | 10:31AM0.36m | 10:43PM0.54m | 11:05AM0.18m | ||||||||||||||||||
 | |  |  | | | | | | | | | | |  |  | | |  | | | |  |  | |
 | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 5 | 4 | 5 | 5 | 5 | 11 | 8 | |
Temp °C | 18 | 17 | 17 | 20 | 24 | 26 | 23 | 18 | 17 | 17 | 17 | 19 | 20 | 21 | 17 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 17 | 18 |
18 | 17 | 16 | 18 | 22 | 22 | 21 | 16 | 15 | 17 | 17 | 20 | 18 | 19 | 14 | 15 | 14 | 14 | 12 | 12 | 12 | 12 | 16 | 17 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 5 | SSW 5 | E 8 | E 8 | E 8 | NE 5 | NE 5 | ESE 10 | NE 6 | NE 6 | NE 5 | E 10 | ESE 10 | ESE 9 | E 9 | SE 10 | SE 9 |
 kJ | 58 | 55 | 40 | 28 | 28 | 18 | 18 | 8 | 4 | 10 | 10 | 10 | 3 | 4 | 11 | 51 | 22 | 10 | 17 | 18 | 29 | 15 | 23 | 21 |
Swell 2 Height (m) Direction Period (s) | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | E 8 | E 8 | SSW 5 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | E 8 | ESE 10 | ESE 10 | ESE 10 | SE 8 | ESE 8 | E 9 | SE 9 | E 9 | SE 5 |
| kJ | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 10 | 10 | 2 | 12 | 11 | 11 | 11 | 4 | 10 | 10 | 20 | 3 | 6 | 15 | 13 | 14 | 3 |
Swell 3 Height (m) Direction Period (s) | ESE 12 | SE 10 | SE 10 | — | S 5 | SE 7 | SE 7 | ESE 12 | ESE 12 | ESE 11 | SSW 4 | NE 4 | E 8 | E 8 | SE 5 | E 8 | E 8 | E 7 | ESE 11 | SE 11 | — | — | — | E 9 |
| kJ | 14 | 4 | 4 | — | 1 | 2 | 2 | 13 | 13 | 12 | 2 | 1 | 4 | 4 | 1 | 5 | 4 | 4 | 11 | 4 | — | — | — | 14 |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 4 | — | — | SSW 3 | SSW 3 | SSW 4 | SW 5 | — | — | NNE 4 | — | — | — | NE 5 | NNE 6 | NNE 6 | NE 5 | NE 5 | NE 4 | NE 4 | NE 4 | NE 4 | ENE 4 |
| kJ | 11 | 2 | — | — | 1 | 2 | 8 | 37 | — | — | 1 | — | — | — | 25 | 127 | 68 | 28 | 7 | 12 | 13 | 9 | 15 | 13 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 1 | 1 | 2045 | 39 | 39 | 65 | 297 | 284 | 837 | 803 | 803 | 803 | 1235 | 22 | 22 | 1235 | 632 | 644 | 718 | 49 | 39 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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