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Surf Forecasts:
Aoshima Harbour surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 pm Wednesday 22 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 1AM is: 1.0m 11s primary swell from a East direction and 0.2m 14s secondary swell from a East-southeast direction, 0.9m 4s secondary swell from a East-northeast direction (forecast issued at 08:00pm April 22). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 2.5ft (0.7m) | 10s |
| Afternoon (23 Apr) | 3.5ft (1.1m) | 7s |
| Evening (23 Apr) | 2ft (0.6m) | 10s |
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 52mm), heaviest during Wed night. Very mild (max 18°C on Sat afternoon, min 13°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Wed 22 | Thursday 23 | Friday 24 | Saturday 25 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
E 10 | E 11 | E 11 | E 11 | E 11 | E 10 | S 7 | S 7 | S 7 | E 10 | E 10 | NE 6 | ENE 8 | NE 7 | NE 7 | NE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | E 8 | E 9 | E 9 | |
265 | 275 | 269 | 143 | 143 | 108 | 138 | 131 | 103 | 66 | 65 | 70 | 204 | 357 | 308 | 490 | 504 | 493 | 514 | 374 | 720 | 899 | 1312 | 1473 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-on | cross-on | cross-on | cross | 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 | cross-on | cross-on | cross-on | on | |
High Tide | 10:30PM1.54m | 8:43AM1.61m | 11:57PM1.49m | 9:44AM1.46m | 1:29AM1.52m | 11:46AM1.36m | ||||||||||||||||||
Low Tide | 3:16PM0.19m | 3:24AM1.16m | 4:15PM0.33m | 4:54AM1.23m | 5:35PM0.46m | 7:12AM1.17m | ||||||||||||||||||
 |  |  |  |  | |  | | | | |  | | | | | | | | | | | | | |
 | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — |
 | 6:46 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | 6:49 |
1 | 3 | 7 | 13 | 8 | 3 | — | 1 | 1 | 1 | 1 | — | — | 1 | 1 | — | 1 | 1 | — | 1 | — | 2 | 2 | 2 | |
Temp °C | 17 | 16 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 16 | 15 | 14 | 14 | 14 | 14 | 13 | 15 | 15 | 16 | 16 | 17 | 18 |
17 | 14 | 12 | 12 | 10 | 11 | 15 | 15 | 13 | 12 | 11 | 13 | 11 | 10 | 10 | 10 | 9 | 10 | 11 | 11 | 11 | 12 | 13 | 15 | |
Swell 1 Height (m) Direction Period (s) | E 10 | E 11 | E 11 | E 11 | E 11 | S 6 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SSE 6 | E 8 | E 8 | E 9 | — |
 kJ | 265 | 275 | 269 | 143 | 143 | 95 | 138 | 131 | 103 | 62 | 47 | 34 | 23 | 193 | 181 | 259 | 298 | 287 | 333 | 4 | 505 | 612 | 803 | — |
Swell 2 Height (m) Direction Period (s) | SE 14 | SE 13 | ESE 14 | ESE 13 | ESE 13 | ENE 5 | NE 5 | E 10 | E 10 | E 10 | E 10 | E 8 | ESE 13 | S 7 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | ESE 12 | S 6 | — | S 6 | — |
| kJ | 95 | 88 | 18 | 18 | 35 | 30 | 34 | 98 | 90 | 65 | 65 | 30 | 31 | 22 | 14 | 13 | 14 | 8 | 8 | 14 | 3 | — | 1 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | S 5 | E 10 | E 10 | NE 6 | SE 13 | ESE 13 | SE 13 | E 10 | WSW 8 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | SW 7 | — | — | — | — |
| kJ | — | — | — | — | 4 | 108 | 102 | 25 | 44 | 66 | 43 | 29 | 6 | 29 | 29 | 28 | 14 | 14 | 14 | 2 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | ENE 4 | ENE 4 | ENE 5 | NNW 4 | NNE 5 | NNE 6 | NE 6 | NE 6 | NE 6 | NE 6 | ENE 8 | NE 7 | NE 7 | NE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | E 8 | E 9 | E 9 |
| kJ | — | — | 16 | 27 | 50 | 7 | 77 | 77 | 39 | 53 | 64 | 70 | 204 | 357 | 308 | 490 | 504 | 493 | 514 | 374 | 720 | 899 | 1312 | 1473 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 39 | 39 | 49 | 41 | 49 | 22 | 39 | 284 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 49 | 39 | 39 | 39 | 39 | 52 | 49 | 49 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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