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Surf Forecasts:
Aoshima Harbour surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 am Thursday 28 May 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
23.7° C
(Which is normal for this time of year)How big are the waves at Aoshima Harbour today (28 May):
- Morning surf: Morning surf (28 May, local time) - 3.5ft (1.1m), 6s period with SSW swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 2.5ft (0.7m), 8s period with E swell.
- Evening surf: Evening surf (28 May, local time) - 2.5ft (0.7m), 9s period with E swell.
The current surf forecast for Aoshima Harbour at 1PM is: 0.7m 8s primary swell from a East direction and 0.7m 6s secondary swell from a South direction (forecast issued at 08:00am May 28). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 3.5ft (1.1m) | 6s |
| Afternoon (28 May) | 2.5ft (0.7m) | 8s |
| Evening (28 May) | 2.5ft (0.7m) | 9s |
Table - waves today at Aoshima Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 29°C on Thu afternoon, min 20°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 28 | Friday 29 | Saturday 30 | Sun 31 | |||||||||||||||||||||
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 8 | SSW 6 | E 8 | E 8 | E 8 | E 9 | E 8 | E 8 | E 8 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | E 9 | ESE 9 | SSE 13 | |
105 | 97 | 63 | 63 | 64 | 74 | 51 | 50 | 35 | 61 | 45 | 47 | 47 | 48 | 48 | 70 | 70 | 68 | 74 | 71 | 94 | 113 | 92 | 118 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | cross-off | cross-on | cross-off | off | off | off | glassy | cross-on | cross | cross-on | glassy | cross-off | cross-off | cross-off | on | on | on | glassy | cross-off | cross-off | cross-off | |
High Tide | 3:20AM1.85m | 4:35PM1.79m | 3:55AM1.91m | 5:21PM1.88m | 4:29AM1.96m | 6:05PM1.94m | ||||||||||||||||||
Low Tide | 10:01AM0.33m | 10:09PM0.89m | 10:40AM0.17m | 10:52PM0.93m | 11:18AM0.04m | 11:31PM0.98m | ||||||||||||||||||
 |  | | | |  | | | | | | | | | | | | | | | |  | |  | |
 | 5:09 | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 |
 | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:13 | — | — | 7:13 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 25 | 28 | 29 | 26 | 24 | 22 | 22 | 22 | 24 | 25 | 26 | 24 | 23 | 22 | 21 | 21 | 22 | 23 | 24 | 23 | 22 | 21 | 20 |
27 | 27 | 30 | 31 | 29 | 27 | 24 | 24 | 24 | 27 | 26 | 26 | 25 | 26 | 24 | 22 | 22 | 21 | 21 | 22 | 23 | 21 | 20 | 18 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 8 | E 8 | E 8 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | E 9 | ESE 9 | E 9 |
 kJ | 105 | 82 | 63 | 63 | 64 | 74 | 51 | 50 | 35 | 61 | 45 | 47 | 47 | 48 | 48 | 70 | 70 | 68 | 74 | 71 | 94 | 113 | 92 | 110 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | ESE 10 | S 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | NE 5 | NE 5 | ESE 12 | ESE 12 | NE 6 | S 10 | NE 4 | SSE 15 | SE 14 | SSE 13 |
| kJ | 36 | 36 | 35 | 33 | 24 | 16 | 10 | 10 | 20 | 6 | 7 | 6 | 6 | 6 | 4 | 4 | 15 | 15 | 1 | 2 | 4 | 21 | 49 | 118 |
Swell 3 Height (m) Direction Period (s) | ESE 14 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 6 | NE 5 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | SSE 6 | ESE 12 | NE 5 | NE 6 | S 11 | — | S 16 | NNE 4 | ENE 5 | ENE 5 |
| kJ | 19 | 20 | 32 | 19 | 19 | 20 | 19 | 33 | 6 | 3 | 15 | 15 | 15 | 29 | 6 | 15 | 4 | 6 | 2 | — | 5 | 1 | 6 | 11 |
Wind waves Height (m) Direction Period (s) | SW 7 | SSW 6 | SW 3 | SSW 6 | NE 3 | NNE 4 | — | — | — | — | — | — | — | — | — | NNE 5 | NNE 5 | NNE 6 | NE 4 | NE 4 | — | — | — | — |
| kJ | 62 | 97 | 5 | 53 | 2 | 5 | — | — | — | — | — | — | — | — | — | 15 | 21 | 22 | 4 | 4 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 284 | 284 | 41 | 0 | 0 | 0 | 0 | 49 | 49 | 706 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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