Surf Forecasts:
How big are the waves at Rock Island today (05 Jul):
- Evening surf: Evening surf (05 Jul, local time) - 3.5ft (1.1m), 7s period with SE swell.
The current surf forecast for Rock Island at 11PM is: 1.1m 7s primary swell from a Southeast direction and 0.7m 7s secondary swell from a South-southeast direction, 0.1m 15s secondary swell from a Southeast direction (forecast issued at 08:00pm July 05). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Jul) | - | - |
| Afternoon (05 Jul) | - | - |
| Evening (05 Jul) | 3.5ft (1.1m) | 7s |
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 Sun night. Warm (max 26°C on Tue afternoon, min 21°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 5 | Monday 6 | Tuesday 7 | Wednesday 8 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SE 7 | SE 7 | SE 7 | SE 7 | SE 15 | SE 15 | SE 14 | SE 7 | SE 16 | SSE 13 | SSE 14 | SSE 16 | SSE 15 | SSE 15 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 16 | SSE 18 | SSE 17 | SSE 16 | SSE 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 114 | 99 | 99 | 36 | 57 | 54 | 52 | 77 | 64 | 120 | 138 | 103 | 150 | 201 | 419 | 443 | 553 | 538 | 328 | 641 | 546 | 1549 | 1393 | 1631 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-off | cross-off | cross-off | cross | cross-on | cross | cross-off | cross-off | off | off | off | off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | on |
High Tide | 9:18PM1.38m | 8:36AM1.27m | 9:50PM1.36m | 9:44AM1.18m | 10:23PM1.35m | 11:09AM1.11m | ||||||||||||||||||
Low Tide | 3:05AM0.76m | 3:07PM0.44m | 4:01AM0.69m | 3:48PM0.60m | 5:04AM0.60m | |||||||||||||||||||
 |  | |  |  | | | |  | | | | | |  | | |  |  | | | | | | |
 | — | — | — | 4:31 | — | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | 6:59 |
mm | — | — | — | 3 | 2 | 1 | 1 | 1 | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 23 | 22 | 21 | 21 | 21 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 24 | 26 | 25 | 23 | 22 | 22 | 22 | 23 | 25 | 25 |
Feels °C | 24 | 23 | 22 | 21 | 22 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 22 | 25 | 26 | 25 | 24 | 23 | 24 | 24 | 24 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SE 7 | SE 7 | SSE 7 | SE 7 | SE 7 | SE 7 | SSE 13 | SSE 14 | SE 12 | SSE 15 | SSE 15 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 16 | SSE 14 | SSE 17 | SSE 16 | SSE 16 |
| kJ | 51 | 40 | 40 | 36 | 37 | 31 | 23 | 22 | 23 | 120 | 138 | 75 | 150 | 201 | 419 | 443 | 553 | 538 | 328 | 641 | 515 | 1549 | 1393 | 1631 |
Swell 2 Height (m) Direction Period (s) | S 16 | SW 7 | SE 15 | SSE 14 | SE 15 | SE 15 | SE 14 | SE 14 | SE 13 | SE 7 | SE 7 | SE 7 | SE 12 | SE 12 | — | SSE 20 | SE 11 | SSE 18 | SSE 18 | SSE 19 | SSE 18 | — | S 21 | — |
| kJ | 5 | 2 | 9 | 21 | 57 | 54 | 52 | 70 | 43 | 23 | 23 | 17 | 49 | 86 | — | 75 | 249 | 356 | 268 | 383 | 546 | — | 227 | — |
Swell 3 Height (m) Direction Period (s) | SE 15 | SE 15 | SSW 6 | SSE 17 | SW 6 | SW 6 | SSE 17 | SSE 16 | SE 16 | SW 7 | S 7 | SSE 16 | SE 7 | ESE 7 | — | — | — | — | SSE 16 | — | — | — | S 21 | — |
| kJ | 9 | 9 | 4 | 30 | 2 | 2 | 30 | 27 | 64 | 2 | 1 | 103 | 16 | 42 | — | — | — | — | 102 | — | — | — | 314 | — |
Wind waves Height (m) Direction Period (s) | SE 7 | SE 7 | SE 7 | — | — | — | — | SE 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 114 | 99 | 99 | — | — | — | — | 77 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 249 | 64 | 64 | 64 | 38 | 0 | 0 | 0 | 0 | 12 | 12 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 54 | 6 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rock Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest