Surf Forecasts:
How big are the waves at Rock Island today (09 Jun):
- Morning surf: Morning surf (09 Jun, local time) - 1.5ft (0.4m), 7s period with SSE swell.
- Afternoon surf: Afternoon surf (09 Jun, local time) - 1.5ft (0.4m), 7s period with S swell.
- Evening surf: Evening surf (09 Jun, local time) - 2ft (0.6m), 8s period with S swell.
The current surf forecast for Rock Island at 2PM is: 0.5m 7s primary swell from a South direction and 0.2m 8s secondary swell from a South-southwest direction (forecast issued at 08:00am June 09). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Jun) | 1.5ft (0.4m) | 7s |
| Afternoon (09 Jun) | 1.5ft (0.4m) | 7s |
| Evening (09 Jun) | 2ft (0.6m) | 8s |
Table - waves today at Rock Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Tue morning. Warm (max 22°C on Thu afternoon, min 17°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 9 | Wednesday 10 | Thursday 11 | Fri 12 | |||||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | S 5 | SSE 7 | S 7 | S 7 | SSE 7 | S 8 | S 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | S 8 | SSW 8 | SW 8 | S 11 | S 8 | S 8 | S 9 | S 9 | S 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 18 | 17 | 22 | 14 | 15 | 42 | 60 | 111 | 57 | 53 | 36 | 32 | 22 | 18 | 9 | 32 | 34 | 54 | 78 | 78 | 32 | 31 | 30 | 30 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | glassy | on | cross-on | cross-on | cross | cross-off | cross-off | off | off | off | off | off | off | off | cross-off | glassy | on | cross-on | cross-on | cross-on | off |
High Tide | 11:35AM1.07m | 00:17AM1.28m | 1:16PM1.09m | 00:56AM1.30m | 2:42PM1.15m | 1:35AM1.33m | ||||||||||||||||||
Low Tide | 5:59AM0.70m | 5:37PM0.61m | 7:04AM0.56m | 6:41PM0.73m | 7:59AM0.41m | 7:45PM0.83m | ||||||||||||||||||
 | | | |  |  | | | | | | | |  | |  | |  |  | | | |  | | |
 | 4:26 | — | — | — | — | — | — | 4:26 | — | — | — | — | — | — | — | 4:26 | — | — | — | — | — | — | — | 4:26 |
 | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:55 | — | — | 6:55 |
mm | 4 | 2 | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 2 |
Temp °C | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 19 | 21 | 21 | 22 | 21 | 20 | 20 |
Feels °C | 17 | 17 | 20 | 22 | 20 | 20 | 21 | 21 | 18 | 16 | 13 | 13 | 15 | 17 | 17 | 17 | 16 | 17 | 21 | 19 | 20 | 20 | 20 | 21 |
Swell 1 Height (m) Direction Period (s) | S 5 | S 5 | S 7 | S 7 | SSE 7 | S 8 | S 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | S 8 | SSW 8 | SW 8 | SSE 7 | S 8 | S 8 | S 9 | S 9 | S 9 | SSW 9 | SSE 7 | SSE 7 | SSE 7 |
| kJ | 17 | 13 | 22 | 14 | 15 | 42 | 60 | 111 | 57 | 53 | 36 | 32 | 22 | 18 | 9 | 32 | 34 | 54 | 78 | 78 | 32 | 18 | 29 | 19 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSW 8 | SSW 8 | SSW 8 | ESE 8 | ESE 7 | — | S 5 | — | E 8 | — | SSE 6 | S 7 | SSW 8 | SSW 11 | SSW 11 | SSW 12 | E 7 | SSE 7 | SSE 7 | SSW 9 | SSW 9 | SSW 9 |
| kJ | 18 | 17 | 7 | 6 | 7 | 22 | 10 | — | 15 | — | 5 | — | 4 | 8 | 7 | 12 | 24 | 14 | 1 | 29 | 18 | 31 | 30 | 30 |
Swell 3 Height (m) Direction Period (s) | SSW 9 | SSW 9 | ESE 8 | — | SW 8 | SE 9 | E 8 | SSE 6 | SE 9 | SE 9 | SE 9 | E 8 | E 7 | S 9 | S 11 | E 7 | SSW 12 | — | E 7 | E 15 | ESE 6 | S 8 | ESE 7 | S 12 |
| kJ | 8 | 7 | 21 | — | 3 | 3 | 1 | 3 | 3 | 3 | 3 | 1 | 4 | 2 | 9 | 9 | 14 | — | 8 | 4 | 7 | 10 | 9 | 3 |
Wind waves Height (m) Direction Period (s) | — | NNE 3 | N 3 | — | — | — | SSW 3 | SW 5 | — | — | NNE 3 | NE 3 | NE 3 | — | — | — | — | — | — | — | SSE 3 | — | — | — |
| kJ | — | 2 | 1 | — | — | — | 2 | 31 | — | — | 5 | 3 | 1 | — | — | — | — | — | — | — | 1 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 38 | 74 | 0 | 64 | 64 | 77 | 12 | 2 | 0 | 2 | 38 | 145 | 38 | 38 | 51 | 0 | 0 | 0 | 0 | 18 | 64 | 38 | 10 | 0 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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