Surf Forecasts:
How big are the waves at Rock Island today (10 Nov):
- Morning surf: Morning surf (10 Nov, local time) - 2ft (0.6m), 9s period with SE swell.
- Afternoon surf: Afternoon surf (10 Nov, local time) - 2ft (0.6m), 9s period with SE swell.
- Evening surf: Evening surf (10 Nov, local time) - 1.5ft (0.4m), 9s period with SE swell.
The current surf forecast for Rock Island at 7AM is: 0.6m 9s primary swell from a Southeast direction and 0.1m 13s secondary swell from a South direction (forecast issued at 02:00am November 10). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Nov) | 2ft (0.6m) | 9s |
| Afternoon (10 Nov) | 2ft (0.6m) | 9s |
| Evening (10 Nov) | 1.5ft (0.4m) | 9s |
Table - waves today at Rock Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Tue morning. Very mild (max 17°C on Thu afternoon, min 10°C on Tue morning). Winds decreasing (fresh winds from the NNE on Tue morning, calm by Wed night). | |||||||||||||||||||||||||||
Tuesday 10 | Wednesday 11 | Thursday 12 | Fri 13 | ||||||||||||||||||||||||
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 | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||
Wave Height (m) Direction Period (s) | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SSW 13 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 8 | SSE 8 | SSE 8 | SSE 8 |
Wave Graph  | |||||||||||||||||||||||||||
 kJ | 34 | 35 | 47 | 50 | 50 | 52 | 53 | 31 | 32 | 48 | 43 | 40 | 40 | 40 | 38 | 22 | 20 | 18 | 17 | 15 | 6 | 6 | 6 | 6 | 7 | 7 | 6 |
Wind (km/h) | |||||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | glassy | glassy | glassy | cross-off | glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross-off |
High Tide | 5:39AM1.49m | 4:23PM1.51m | 6:24AM1.49m | 4:52PM1.53m | 7:10AM1.48m | 5:23PM1.53m | |||||||||||||||||||||
Low Tide | 10:46PM0.16m | 10:59AM0.88m | 11:23PM0.08m | 11:35AM0.95m | 00:01AM0.03m | 12:10PM1.01m | 00:40AM0.03m | ||||||||||||||||||||
 | | |  | | |  | | | | |  | | |  | | | | | | | | | | | |  | |
 | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 |
 | — | — | — | — | — | 4:38 | — | — | — | — | — | — | — | 4:38 | — | — | — | — | — | — | — | 4:37 | — | — | — | — | 4:37 |
mm | 1 | 3 | 2 | 2 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 11 | 10 | 10 | 11 | 12 | 12 | 11 | 11 | 10 | 10 | 12 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 15 | 17 | 17 | 16 | 16 | 16 | 15 |
Feels °C | 7 | 7 | 4 | 3 | 4 | 5 | 7 | 6 | 5 | 5 | 4 | 3 | 7 | 9 | 11 | 12 | 12 | 12 | 11 | 11 | 13 | 13 | 12 | 12 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 8 | SSE 8 | S 4 | S 4 |
| kJ | 34 | 35 | 47 | 50 | 50 | 52 | 53 | 31 | 31 | 48 | 43 | 40 | 40 | 40 | 38 | 22 | 20 | 18 | 17 | 15 | 6 | 6 | 6 | 6 | 7 | 3 | 3 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 13 | S 12 | S 12 | S 13 | SSW 13 | SSW 13 | SSW 13 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 8 | SE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 8 | ESE 8 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 8 |
| kJ | 3 | 3 | 3 | 3 | 3 | 14 | 17 | 17 | 32 | 30 | 21 | 12 | 12 | 14 | 11 | 7 | 7 | 7 | 7 | 7 | 3 | 3 | 3 | 3 | 2 | 7 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | S 11 | — | — | — | — | S 8 | S 9 | — | S 8 | — | — | S 14 | S 15 | — | ESE 10 | E 11 | — | — | E 11 | E 11 | E 11 | E 11 | E 11 | E 8 | E 8 |
| kJ | — | — | 2 | — | — | — | — | 1 | 1 | — | 1 | — | — | 4 | 4 | — | 10 | 2 | — | — | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | NNE 3 | NNE 3 | NNE 3 | NNE 3 | NE 3 | NE 3 | NE 3 | NE 2 | NE 3 | NNE 3 | NNE 3 | NNE 3 | NE 3 | NNE 3 | — | — | — | — | — | — | — | — | SSW 3 | SW 3 | SW 3 | SW 4 | WSW 4 |
| kJ | 4 | 5 | 7 | 7 | 5 | 5 | 1 | 1 | 1 | 3 | 2 | 3 | 2 | 1 | — | — | — | — | — | — | — | — | 3 | 2 | 4 | 3 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||||||||
Distance (km) | 145 | 145 | 145 | 552 | 136 | 8 | 12 | 38 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 38 | 38 | 16 | 16 | 16 | 76 | 90 | 77 | 90 | 76 | 76 | 76 |
Best forecast wave conditions in Kanagawa | |||||||||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||||||||
Header Global | |||||||||||||||||||||||||||
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