Surf Forecasts:
How big are the waves at Rock Island today (24 Sep):
- Morning surf: Morning surf (24 Sep, local time) - 1.5ft (0.4m), 6s period with SE swell.
- Afternoon surf: Afternoon surf (24 Sep, local time) - 0.5ft (0.2m), 5s period with SSE swell.
- Evening surf: Evening surf (24 Sep, local time) - 0.5ft (0.2m), 5s period with SSE swell.
The current surf forecast for Rock Island at 3AM is: 0.4m 6s primary swell from a South-southeast direction and 0.1m 8s secondary swell from a Southeast direction (forecast issued at 08:00pm September 23). The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Sep) | 1.5ft (0.4m) | 6s |
| Afternoon (24 Sep) | 0.5ft (0.2m) | 5s |
| Evening (24 Sep) | 0.5ft (0.2m) | 5s |
Table - waves today at Rock Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Sat afternoon. Warm (max 25°C on Thu afternoon, min 19°C on Sat afternoon). Wind will be generally light. | ||||||||||||||||||
Wed 23 | Thursday 24 | Friday 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 | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | SSE 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SE 6 | SE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 27 | 19 | 14 | 14 | 13 | 8 | 7 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | glassy | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross-on | cross |
High Tide | 3:54PM1.39m | 2:42AM1.37m | 4:18PM1.42m | 3:42AM1.46m | 4:41PM1.45m | |||||||||||||
Low Tide | 9:22PM0.95m | 9:33AM0.40m | 9:58PM0.80m | 10:16AM0.41m | ||||||||||||||
 | |  |  |  | | | |  | |  | |  | | | | | | |
 | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — |
mm | 2 | 1 | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — |
Temp °C | 20 | 21 | 21 | 21 | 21 | 22 | 24 | 25 | 25 | 25 | 24 | 23 | 22 | 22 | 24 | 24 | 24 | 23 |
Feels °C | 20 | 21 | 21 | 22 | 22 | 23 | 26 | 27 | 26 | 27 | 25 | 23 | 23 | 23 | 26 | 25 | 25 | 23 |
Swell 1 Height (m) Direction Period (s) | SSE 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SE 6 | SE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SE 5 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
| kJ | 27 | 19 | 14 | 14 | 13 | 8 | 7 | 3 | 3 | 2 | 2 | 1 | 3 | 3 | 3 | 3 | 3 | 3 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 5 | SE 5 | SE 4 | SE 4 | SE 4 | S 7 |
| kJ | 1 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | S 8 | SE 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | — |
| kJ | 5 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — |
Wind waves Height (m) Direction Period (s) | NNE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 77 | 16 | 77 | 51 | 55 | 55 | 55 | 55 | 55 | 74 | 61 | 61 | 61 | 61 | 2492 | 74 | 74 | 74 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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