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Surf Forecasts:
Aoshima Harbour surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 am Monday 27 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
21.6° 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: 0.9m 8s primary swell from a East direction and 0.1m 5s secondary swell from a Northeast direction (forecast issued at 08:00am April 27). An open ocean swell of 0.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 4ft (1.2m) | 8s |
| Afternoon (27 Apr) | 3ft (0.9m) | 8s |
| Evening (27 Apr) | 2.5ft (0.8m) | 8s |
Table - waves today at Aoshima Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Wed night. Warm (max 26°C on Tue afternoon, min 14°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | Thu 30 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 12 | ESE 12 | E 8 | E 8 | E 8 | NE 6 | NE 6 | NE 6 | NE 6 | NNE 6 | ESE 10 | |
291 | 204 | 135 | 107 | 102 | 80 | 57 | 55 | 40 | 28 | 29 | 18 | 18 | 13 | 13 | 12 | 12 | 11 | 11 | 16 | 40 | 46 | 47 | 21 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | glassy | cross | cross | cross | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | cross-off | glassy | cross-on | cross-on | on | on | on | on | |
High Tide | 3:11AM1.68m | 3:05PM1.55m | 3:44AM1.76m | 4:00PM1.70m | 4:14AM1.83m | 4:46PM1.83m | ||||||||||||||||||
Low Tide | 9:20AM0.77m | 9:19PM0.51m | 9:57AM0.56m | 10:04PM0.51m | 10:31AM0.36m | 10:43PM0.54m | ||||||||||||||||||
 | | |  | |  |  | | | | | | | | | | | | |  |  |  | | | |
 | 5:33 | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 |
 | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:52 | — | — | 6:52 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 2 | 3 | |
Temp °C | 16 | 19 | 20 | 21 | 21 | 20 | 18 | 17 | 17 | 20 | 24 | 26 | 23 | 18 | 18 | 17 | 17 | 19 | 20 | 19 | 15 | 15 | 15 | 14 |
16 | 20 | 19 | 19 | 20 | 21 | 18 | 17 | 17 | 19 | 21 | 22 | 21 | 16 | 17 | 16 | 17 | 19 | 17 | 17 | 14 | 15 | 14 | 11 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | NE 6 | NE 6 | ESE 10 | NE 6 | NE 6 | ESE 10 |
 kJ | 291 | 204 | 135 | 107 | 102 | 80 | 57 | 55 | 40 | 28 | 29 | 18 | 18 | 10 | 10 | 10 | 10 | 10 | 11 | 16 | 11 | 46 | 20 | 21 |
Swell 2 Height (m) Direction Period (s) | S 5 | S 5 | S 5 | NE 5 | S 5 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | SE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | E 8 | ESE 10 | ESE 10 | E 8 |
| kJ | 5 | 5 | 5 | 1 | 2 | 14 | 14 | 14 | 14 | 14 | 22 | 14 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 5 | 10 | 10 | 5 |
Swell 3 Height (m) Direction Period (s) | SE 13 | E 13 | NE 6 | SE 12 | SE 12 | NNE 4 | ESE 12 | ESE 12 | SE 10 | SE 10 | — | — | SE 7 | SE 6 | S 5 | SE 7 | — | NE 5 | E 8 | E 8 | SE 5 | E 8 | E 8 | SE 6 |
| kJ | 7 | 3 | 1 | 6 | 6 | 2 | 14 | 14 | 4 | 4 | — | — | 2 | 1 | 2 | 2 | — | 1 | 5 | 4 | 1 | 4 | 5 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | S 5 | SSW 5 | S 4 | SW 5 | — | — | SW 3 | SW 4 | SW 3 | SSW 5 | SW 5 | SW 3 | SW 3 | — | — | — | E 2 | NE 6 | NNE 6 | NNE 6 | NE 5 |
| kJ | — | — | — | 4 | 4 | 4 | 9 | — | — | 1 | 6 | 3 | 8 | 6 | 2 | 2 | — | — | — | 1 | 40 | 115 | 47 | 11 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 284 | 118 | 19 | 0 | 0 | 0 | 0 | 1 | 0 | 65 | 39 | 39 | 284 | 297 | 297 | 617 | 312 | 233 | 797 | 1525 | 671 | 700 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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