Surf Forecasts:
How big are the waves at Rock Island today (11 Nov):
- Morning surf: Morning surf (11 Nov, local time) - 1.5ft (0.4m), 11s period with SSW swell.
- Afternoon surf: Afternoon surf (11 Nov, local time) - 1.5ft (0.4m), 11s period with SSW swell.
- Evening surf: Evening surf (11 Nov, local time) - 1.5ft (0.4m), 11s period with SSW swell.
The current surf forecast for Rock Island at 4AM is: 0.4m 12s primary swell from a South-southwest direction and 0.4m 9s secondary swell from a Southeast direction (forecast issued at 08:00pm November 10). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Nov) | 1.5ft (0.4m) | 11s |
| Afternoon (11 Nov) | 1.5ft (0.4m) | 11s |
| Evening (11 Nov) | 1.5ft (0.4m) | 11s |
Table - waves today at Rock Island. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Fri afternoon, min 10°C on Tue night). Wind will be generally light. | |||||||||||||||||||||
Tue 10 | Wednesday 11 | Thursday 12 | Fri 13 | ||||||||||||||||||
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 9 | SE 9 | SSW 13 | SSW 12 | SSW 11 | SSW 11 | S 11 | SSW 11 | SSW 11 | SSW 11 | S 11 | S 10 | S 10 | S 10 | S 10 | SSE 9 | SSE 9 | SSE 9 | SW 4 | SW 4 | SSE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 53 | 31 | 32 | 48 | 43 | 40 | 61 | 42 | 40 | 39 | 20 | 18 | 18 | 17 | 16 | 16 | 16 | 8 | 8 | 9 | 7 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | off | off | cross-off | cross | cross | glassy | glassy | cross-off | glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 4:23PM1.51m | 6:24AM1.49m | 4:52PM1.53m | 7:10AM1.48m | 5:23PM1.53m | ||||||||||||||||
Low Tide | 11:23PM0.08m | 11:35AM0.95m | 00:01AM0.03m | 12:10PM1.01m | 00:40AM0.03m | ||||||||||||||||
 | | | | |  | | |  | | | | | | | |  | | | | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 |
 | — | — | — | — | — | — | — | 4:38 | — | — | — | — | — | — | — | 4:37 | — | — | — | — | 4:37 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 11 | 11 | 10 | 10 | 12 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 15 | 17 | 16 | 16 | 16 | 16 | 15 |
Feels °C | 7 | 7 | 5 | 5 | 4 | 4 | 7 | 9 | 10 | 11 | 12 | 12 | 11 | 11 | 12 | 12 | 11 | 12 | 12 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SSW 12 | SSW 11 | SSW 11 | S 11 | SSW 11 | SSW 11 | SSW 11 | S 11 | S 10 | S 10 | S 10 | S 10 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 53 | 31 | 31 | 48 | 43 | 40 | 61 | 42 | 40 | 39 | 20 | 18 | 18 | 17 | 16 | 16 | 16 | 8 | 7 | 7 | 7 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | SE 8 | SE 8 | ESE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | E 8 | E 11 |
| kJ | 17 | 17 | 32 | 31 | 13 | 13 | 12 | 14 | 7 | 7 | 8 | 3 | 2 | 6 | 3 | 3 | 3 | 3 | 3 | 1 | 2 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | S 8 | S 9 | — | S 16 | S 15 | SSW 13 | S 14 | ESE 10 | S 14 | ESE 10 | E 11 | E 11 | — | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 8 |
| kJ | 34 | 1 | 1 | — | 5 | 18 | 58 | 16 | 18 | 4 | 10 | 2 | 2 | — | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
Wind waves Height (m) Direction Period (s) | NE 3 | NE 3 | NE 3 | NE 3 | NNE 3 | NNE 3 | NNE 3 | NNE 3 | — | — | — | — | — | — | — | SW 2 | SW 3 | SW 3 | SW 4 | SW 4 | SW 4 |
| kJ | 3 | 2 | 3 | 2 | 1 | 2 | 1 | 1 | — | — | — | — | — | — | — | 1 | 5 | 6 | 8 | 9 | 6 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 136 | 38 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 7 | 38 | 16 | 16 | 16 | 18 | 76 | 76 | 76 | 76 | 76 | 76 |
Best forecast wave conditions in Kanagawa | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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