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Surf Forecasts:
Aoshima Harbour surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 pm Saturday 30 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
23.9° C
(Which is normal for this time of year)How big are the waves at Aoshima Harbour today (31 May):
- Morning surf: Morning surf (31 May, local time) - 3.5ft (1.0m), 12s period with SSE swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 4.5ft (1.3m), 12s period with SSE swell.
- Evening surf: Evening surf (31 May, local time) - 4.5ft (1.3m), 11s period with SSE swell.
The current surf forecast for Aoshima Harbour at 4AM is: 0.7m 13s primary swell from a South-southeast direction and 0.7m 9s secondary swell from a East-southeast direction (forecast issued at 08:00pm May 30). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 3.5ft (1.0m) | 12s |
| Afternoon (31 May) | 4.5ft (1.3m) | 12s |
| Evening (31 May) | 4.5ft (1.3m) | 11s |
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 130mm), heaviest during Tue afternoon. Warm (max 23°C on Sat night, min 19°C on Sun morning). Winds increasing (calm on Sat night, near gales from the ESE by Tue afternoon). | ||||||||||||||||||||||||
Sat 30 | Sunday 31 | Monday 1 | Tuesday 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 9 | ESE 9 | ESE 9 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 14 | S 14 | S 13 | S 13 | S 13 | ESE 8 | ESE 8 | |
92 | 92 | 92 | 158 | 265 | 320 | 390 | 436 | 371 | 393 | 395 | 1303 | 778 | 724 | 811 | 811 | 1543 | 1852 | 975 | 806 | 782 | 673 | 890 | 1799 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross-off | cross | cross | cross | cross-on | cross | cross | cross | cross-on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 6:05PM1.94m | 5:03AM2.00m | 6:46PM1.97m | 5:37AM2.01m | 7:27PM1.96m | 6:13AM2.00m | ||||||||||||||||||
Low Tide | 11:31PM0.98m | 11:55AM-0.04m | 00:09AM1.03m | 12:33PM-0.07m | 00:48AM1.07m | 1:11PM-0.05m | ||||||||||||||||||
 |  | | |  | |  | | | | |  | | | | |  |  |  | | |  | | | |
 | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — |
 | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | 7:14 |
— | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | 2 | 7 | 10 | 5 | 4 | 10 | 16 | 19 | 28 | |
Temp °C | 24 | 23 | 22 | 22 | 22 | 22 | 19 | 22 | 21 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 23 |
26 | 25 | 23 | 23 | 22 | 22 | 19 | 23 | 21 | 20 | 21 | 22 | 21 | 20 | 21 | 22 | 22 | 23 | 23 | 22 | 21 | 20 | 20 | 20 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SE 6 | SSE 7 | SSE 13 | SE 8 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 14 | S 14 | S 13 | S 13 | S 13 | S 13 | SSE 11 |
 kJ | 92 | 92 | 92 | 90 | 265 | 320 | 390 | 436 | 371 | 120 | 138 | 1303 | 275 | 724 | 811 | 811 | 1543 | 1852 | 975 | 806 | 782 | 673 | 663 | 460 |
Swell 2 Height (m) Direction Period (s) | NE 4 | ENE 4 | SE 15 | SSE 13 | E 11 | ESE 11 | E 11 | E 10 | E 10 | SSE 11 | SSE 14 | E 7 | SSE 13 | ESE 8 | ESE 7 | E 10 | E 10 | E 10 | E 10 | E 10 | SE 12 | SE 12 | — | S 14 |
| kJ | 2 | 1 | 54 | 158 | 114 | 156 | 110 | 108 | 106 | 393 | 395 | 83 | 778 | 213 | 148 | 73 | 73 | 73 | 73 | 73 | 22 | 22 | — | 394 |
Swell 3 Height (m) Direction Period (s) | S 16 | SSE 15 | ENE 4 | ENE 4 | S 15 | — | — | S 15 | SSE 15 | E 11 | E 7 | E 10 | E 10 | E 10 | E 10 | — | ESE 13 | ESE 12 | SE 12 | — | — | — | — | — |
| kJ | 5 | 23 | 1 | 1 | 115 | — | — | 205 | 176 | 83 | 89 | 74 | 75 | 74 | 73 | — | 16 | 15 | 6 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | NE 3 | ENE 4 | SE 4 | SE 6 | — | — | ESE 7 | — | — | ESE 7 | ESE 7 | ESE 7 | SE 7 | SE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
| kJ | — | — | — | — | — | — | 6 | 4 | 17 | 190 | — | — | 242 | — | — | 149 | 198 | 210 | 261 | 318 | 429 | 532 | 890 | 1799 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 3 | 22 | 3 | 1 | 4 | 312 | 310 | 39 | 39 | 39 | 202 | 202 | 49 | 202 | 202 | 202 | 202 | 202 | 202 | 202 | 762 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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