Surf Forecasts:
How big are the waves at Rock Island today (01 Jul):
- Evening surf: Evening surf (01 Jul, local time) - 1ft (0.3m), 9s period with SE swell.
The current surf forecast for Rock Island at 11PM is: 0.3m 9s primary swell from a Southeast direction and 0.2m 6s secondary swell from a South-southwest direction, 0.4m 3s secondary swell from a South-southwest direction (forecast issued at 08:00pm July 01). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Jul) | - | - |
| Afternoon (01 Jul) | - | - |
| Evening (01 Jul) | 1ft (0.3m) | 9s |
Table - waves today at Rock Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 28mm), heaviest during Thu morning. Warm (max 23°C on Wed night, min 20°C on Thu night). Winds decreasing (fresh winds from the S on Wed night, calm by Fri morning). | ||||||||||||||||||||||||
Wed 1 | Thursday 2 | Friday 3 | Saturday 4 | |||||||||||||||||||||
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 9 | SE 9 | SE 9 | ESE 13 | SSW 4 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | S 7 | SW 7 | S 6 | S 6 | SSW 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 5 | S 5 | S 5 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 17 | 13 | 12 | 16 | 34 | 71 | 199 | 114 | 91 | 69 | 51 | 34 | 14 | 11 | 11 | 14 | 6 | 7 | 6 | 6 | 3 | 3 | 3 | 5 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | cross | cross-off | off | off | off | off | off | cross-off | off | glassy | glassy | glassy | on | on | glassy | cross | cross-on | cross-on | on |
High Tide | 7:12PM1.43m | 5:12AM1.49m | 7:45PM1.43m | 5:59AM1.46m | 8:16PM1.41m | 6:47AM1.42m | ||||||||||||||||||
Low Tide | 00:05AM1.01m | 12:32PM-0.02m | 00:47AM0.96m | 1:10PM0.05m | 1:30AM0.90m | 1:49PM0.16m | ||||||||||||||||||
 |  | |  |  | | |  | | | | | | | |  | |  | | | | | | | |
 | — | — | — | 4:30 | — | — | — | — | — | — | — | 4:31 | — | — | — | — | — | — | — | 4:31 | — | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | 7:00 |
mm | — | — | — | 3 | 6 | 6 | 7 | 4 | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 23 | 23 | 22 | 23 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 21 | 22 | 22 | 21 | 21 | 21 | 22 | 23 | 23 |
Feels °C | 25 | 24 | 23 | 21 | 22 | 23 | 20 | 20 | 20 | 21 | 21 | 21 | 20 | 20 | 22 | 23 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SSW 6 | SE 9 | ESE 9 | SE 9 | SE 9 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | S 7 | S 6 | S 6 | S 6 | SSW 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 5 | S 5 | SE 9 |
| kJ | 13 | 7 | 12 | 8 | 3 | 3 | 77 | 114 | 91 | 69 | 51 | 34 | 11 | 11 | 11 | 14 | 6 | 7 | 6 | 6 | 2 | 2 | 2 | 3 |
Swell 2 Height (m) Direction Period (s) | E 13 | SE 9 | SSW 6 | E 13 | E 12 | E 12 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SW 7 | SW 7 | SSW 7 | SE 8 | SW 7 | SE 9 | SW 7 | SE 9 | SE 9 | SE 9 | SE 9 | S 6 |
| kJ | 3 | 13 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 14 | 8 | 5 | 3 | 2 | 3 | 2 | 3 | 3 | 3 | 3 | 1 |
Swell 3 Height (m) Direction Period (s) | ESE 13 | E 13 | E 13 | ESE 13 | ESE 13 | SE 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | SE 8 | SE 9 | SE 8 | E 12 | SE 8 | E 12 | SE 9 | SW 7 | SW 7 | SW 6 | S 7 | — |
| kJ | 17 | 3 | 3 | 16 | 16 | 6 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | — |
Wind waves Height (m) Direction Period (s) | SSW 6 | S 3 | SSW 3 | SSW 3 | SSW 4 | SSW 6 | SSW 7 | — | NNE 3 | NNE 3 | NNE 2 | NNE 2 | — | — | — | — | — | — | — | — | — | — | — | S 5 |
| kJ | 12 | 1 | 3 | 4 | 34 | 71 | 199 | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 76 | 76 | 76 | 77 | 491 | 7 | 2 | 0 | 0 | 0 | 0 | 38 | 51 | 51 | 16 | 16 | 51 | 74 | 55 | 55 | 55 | 77 | 77 | 76 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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