Surf Forecasts:
How big are the waves at Rock Island today (27 Oct):
- Afternoon surf: Afternoon surf (27 Oct, local time) - 2ft (0.6m), 8s period with S swell.
- Evening surf: Evening surf (27 Oct, local time) - 2ft (0.6m), 8s period with S swell.
The current surf forecast for Rock Island at 8PM is: 0.6m 8s primary swell from a South direction and 0.2m 10s secondary swell from a East-southeast direction (forecast issued at 02:00pm October 27). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Oct) | - | - |
| Afternoon (27 Oct) | 2ft (0.6m) | 8s |
| Evening (27 Oct) | 2ft (0.6m) | 8s |
Table - waves today at Rock Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue night. Very mild (max 19°C on Tue afternoon, min 12°C on Wed night). Winds decreasing (strong winds from the NNE on Tue night, calm by Fri morning). | ||||||||||||||||||||
Tue 27 | Wednesday 28 | Thursday 29 | ||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SSW 8 | SSW 8 | SSW 8 | S 7 | S 7 | S 7 | S 7 | SE 15 | SE 15 | SE 7 | ESE 14 | SE 13 | SE 13 | SE 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 29 | 45 | 44 | 42 | 57 | 57 | 20 | 13 | 12 | 9 | 5 | 5 | 5 | 9 | 8 | 8 | 21 | 28 | 28 | 28 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | cross-off |
High Tide | 4:59PM1.53m | 6:45AM1.52m | 5:26PM1.54m | 7:31AM1.48m | 5:54PM1.54m | |||||||||||||||
Low Tide | 11:30AM0.83m | 11:51PM0.12m | 12:03PM0.91m | 00:28AM0.08m | 12:36PM0.98m | |||||||||||||||
 |  |  | |  |  | | | | | | | | | |  | |  | | | |
 | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:51 | — | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Temp °C | 19 | 19 | 19 | 19 | 19 | 17 | 16 | 16 | 18 | 18 | 16 | 15 | 14 | 13 | 12 | 12 | 13 | 15 | 15 | 14 |
Feels °C | 18 | 19 | 19 | 20 | 12 | 8 | 9 | 11 | 16 | 15 | 10 | 9 | 8 | 7 | 7 | 7 | 8 | 11 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SSE 7 | SSW 8 | SSW 8 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | SE 7 | SE 5 | SE 5 | SE 5 | SE 7 |
| kJ | 29 | 45 | 44 | 42 | 57 | 57 | 15 | 13 | 12 | 9 | 4 | 4 | 4 | 4 | 1 | 7 | 5 | 4 | 4 | 13 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | SE 10 | SE 10 | SE 10 | SSW 8 | SSE 6 | SSE 7 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 15 | SE 15 | ESE 14 | SE 13 | SE 13 | SE 13 |
| kJ | 8 | 8 | 8 | 4 | 4 | 4 | 20 | 8 | 4 | 4 | 5 | 5 | 5 | 5 | 8 | 8 | 21 | 28 | 28 | 28 |
Swell 3 Height (m) Direction Period (s) | — | — | S 13 | S 9 | S 13 | ESE 10 | SE 11 | SE 11 | N 3 | — | — | — | — | SE 15 | SE 11 | SE 11 | SE 7 | SE 7 | SE 7 | — |
| kJ | — | — | 3 | 1 | 3 | 37 | 5 | 4 | 1 | — | — | — | — | 9 | 5 | 5 | 2 | 2 | 2 | — |
Wind waves Height (m) Direction Period (s) | NNE 3 | NNE 3 | — | — | — | NE 2 | NNE 3 | N 3 | NE 3 | — | — | NNE 3 | NNE 3 | NNE 3 | NE 3 | NNE 3 | NNE 2 | NNE 2 | NNE 3 | — |
| kJ | 1 | 1 | — | — | — | 2 | 3 | 1 | 1 | — | — | 3 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 38 | 0 | 0 | 38 | 54 | 27 | 136 | 64 | 16 | 51 | 51 | 61 | 74 | 145 | 145 | 145 | 38 | 51 | 38 | 16 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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