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Surf Forecasts:
Aoshima Harbour surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 am Thursday 23 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
21.3° 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 1PM is: 1.4m 7s primary swell from a South direction and 0.7m 10s secondary swell from a East direction, 0.9m 5s secondary swell from a North-northeast direction (forecast issued at 08:00am April 23). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 4.5ft (1.4m) | 7s |
| Afternoon (23 Apr) | 4.5ft (1.3m) | 7s |
| Evening (23 Apr) | 3ft (0.9m) | 7s |
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 44mm), heaviest during Thu morning. Very mild (max 19°C on Sat night, min 14°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 11 | S 7 | S 7 | SSE 7 | S 7 | SSE 7 | NNE 6 | SE 13 | NE 6 | ENE 7 | NE 7 | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | |
223 | 176 | 246 | 191 | 131 | 79 | 113 | 45 | 62 | 71 | 351 | 246 | 530 | 324 | 608 | 689 | 682 | 741 | 1079 | 1581 | 1624 | 1767 | 1618 | 1773 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | |
High Tide | 8:43AM1.61m | 11:57PM1.49m | 9:44AM1.46m | 1:29AM1.52m | 11:46AM1.36m | 2:30AM1.60m | ||||||||||||||||||
Low Tide | 3:24AM1.16m | 4:15PM0.33m | 4:54AM1.23m | 5:35PM0.46m | 7:12AM1.17m | 7:06PM0.52m | ||||||||||||||||||
 | |  | | |  | |  |  | | | | | | | | |  | | | | | | | |
 | 5:37 | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 |
 | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:49 | — | — | 6:50 |
12 | 13 | 1 | 1 | 1 | 1 | 1 | — | — | — | 1 | — | — | 2 | 1 | — | — | — | — | 1 | 4 | 4 | 4 | 4 | |
Temp °C | 16 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 18 | 18 | 19 |
15 | 15 | 16 | 15 | 15 | 15 | 15 | 14 | 13 | 11 | 10 | 10 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 12 | 14 | 15 | 15 | 16 | |
Swell 1 Height (m) Direction Period (s) | E 11 | S 7 | S 7 | SSE 7 | S 7 | SSE 7 | S 7 | S 7 | S 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | SSE 6 | ENE 8 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 |
 kJ | 223 | 176 | 246 | 191 | 131 | 79 | 61 | 45 | 33 | 71 | 153 | 246 | 295 | 8 | 402 | 442 | 445 | 498 | 718 | 1043 | 1179 | 1333 | 1307 | 1209 |
Swell 2 Height (m) Direction Period (s) | S 5 | E 10 | E 10 | E 10 | E 10 | E 10 | NE 6 | E 10 | E 9 | S 7 | S 6 | SSE 6 | SSE 6 | ESE 12 | SSE 6 | SSE 6 | SSE 6 | S 6 | — | — | — | — | — | — |
| kJ | 13 | 175 | 100 | 96 | 65 | 65 | 22 | 45 | 42 | 33 | 22 | 14 | 13 | 14 | 8 | 8 | 4 | 3 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | ESE 13 | ESE 13 | NE 5 | ESE 13 | ESE 13 | ESE 13 | E 10 | SE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | W 7 | ESE 12 | SW 7 | SW 7 | — | — | — | — | — | — | — |
| kJ | 35 | 35 | 7 | 34 | 67 | 66 | 45 | 42 | 32 | 29 | 28 | 28 | 14 | 1 | 14 | 2 | 2 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 6 | N 4 | NNE 5 | NE 5 | NE 5 | NE 6 | NNE 6 | NE 6 | NE 6 | NE 6 | NE 7 | NNE 6 | NE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 108 | 12 | 30 | 8 | 23 | 35 | 113 | 27 | 62 | 45 | 351 | 91 | 530 | 324 | 608 | 689 | 682 | 741 | 1079 | 1581 | 1624 | 1767 | 1618 | 1773 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 39 | 22 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 49 | 49 | 39 | 39 | 52 | 49 | 39 | 118 | 284 | 284 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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