Surf Forecasts:
How big are the waves at Rock Island today (22 Jun):
- Afternoon surf: Afternoon surf (22 Jun, local time) - 1.5ft (0.5m), 7s period with S swell.
- Evening surf: Evening surf (22 Jun, local time) - 1.5ft (0.4m), 10s period with SE swell.
The current surf forecast for Rock Island at 7PM is: 0.4m 7s primary swell from a South-southwest direction and 0.2m 10s secondary swell from a South-southeast direction, 0.3m 3s secondary swell from a South-southeast direction (forecast issued at 02:00pm June 22). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Jun) | - | - |
| Afternoon (22 Jun) | 1.5ft (0.5m) | 7s |
| Evening (22 Jun) | 1.5ft (0.4m) | 10s |
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 10mm), heaviest on Mon afternoon. Warm (max 23°C on Mon afternoon, min 19°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 22 | Tuesday 23 | Wednesday 24 | Thu 25 | |||||||||||||||||||||
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 | 9 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | S 7 | S 7 | SSW 7 | SE 10 | SE 4 | SSE 10 | SSE 11 | SE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SSW 10 | SE 10 | SE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 27 | 21 | 15 | 25 | 16 | 10 | 12 | 20 | 13 | 12 | 12 | 12 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 19 | 18 | 16 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross | cross | cross | cross-off | cross-off | off | off | glassy | cross-off | cross-off | off | off | off | cross-off | cross-off | on | on | cross-on | cross-on | glassy | glassy | cross-on |
High Tide | 9:12AM1.19m | 10:40PM1.32m | 10:34AM1.11m | 11:18PM1.31m | 12:14PM1.08m | 11:58PM1.32m | ||||||||||||||||||
Low Tide | 3:47PM0.46m | 4:58AM0.71m | 4:37PM0.61m | 6:05AM0.59m | 5:35PM0.76m | 7:09AM0.46m | ||||||||||||||||||
 | |  |  | | | | |  | | |  |  | | | | |  | | | | | | | |
 | — | — | — | — | — | 4:26 | — | — | — | — | — | — | — | 4:26 | — | — | — | — | — | — | — | 4:28 | — | — |
 | — | — | 6:59 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | 7:00 |
mm | — | — | 4 | 2 | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 23 | 22 | 20 | 20 | 20 | 19 | 20 | 21 | 22 | 21 | 20 | 19 | 19 | 19 | 20 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 |
Feels °C | 25 | 24 | 23 | 20 | 21 | 21 | 18 | 18 | 21 | 23 | 19 | 18 | 18 | 18 | 18 | 19 | 22 | 21 | 22 | 23 | 23 | 24 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | S 7 | SSW 8 | SSW 7 | SSE 10 | SSE 4 | SE 4 | SE 4 | SSE 6 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SSW 10 | SSW 9 | SSW 9 |
| kJ | 27 | 6 | 15 | 10 | 6 | 4 | 5 | 6 | 13 | 12 | 12 | 12 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 19 | 17 | 16 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 10 | SSW 7 | SSE 10 | SSE 10 | SSE 11 | SE 11 | S 6 | SSE 6 | S 6 | S 6 | S 6 | S 5 | S 5 | S 5 | S 5 | S 11 | S 11 | S 10 | SSW 10 | SE 10 | SE 10 | SE 10 |
| kJ | 10 | 10 | 10 | 5 | 10 | 10 | 12 | 20 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 10 | 2 | 2 | 10 | 16 | 16 | 16 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | E 9 | SE 10 | SSW 7 | S 6 | S 6 | SW 7 | S 10 | SW 6 | S 10 | S 10 | S 10 | S 9 | S 9 | S 11 | S 12 | SSW 11 | S 8 | S 7 | S 8 | SW 14 | SSW 13 | SSW 13 |
| kJ | 2 | 2 | 2 | 25 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 13 | 1 | 1 | 1 | 7 | 18 | 16 |
Wind waves Height (m) Direction Period (s) | — | S 7 | SSE 3 | SSE 6 | SE 4 | E 4 | ESE 4 | — | — | — | — | SSE 5 | — | — | — | — | — | S 5 | — | — | — | — | — | — |
| kJ | — | 21 | 2 | 12 | 16 | 6 | 6 | — | — | — | — | 6 | — | — | — | — | — | 2 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 51 | 64 | 64 | 64 | 65 | 51 | 51 | 51 | 54 | 64 | 64 | 61 | 54 | 54 | 54 | 54 | 64 | 64 | 64 | 51 | 51 | 16 | 0 | 64 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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