Surf Forecasts:
How big are the waves at Rock Island today (06 Jun):
- Morning surf: Morning surf (06 Jun, local time) - 0.5ft (0.1m), 11s period with SE swell.
- Afternoon surf: Afternoon surf (06 Jun, local time) - 0.5ft (0.2m), 7s period with SSW swell.
- Evening surf: Evening surf (06 Jun, local time) - 0.5ft (0.2m), 7s period with SSW swell.
The current surf forecast for Rock Island at 6AM is: 0.1m 11s primary swell from a Southeast direction and 0.1m 7s secondary swell from a South direction (forecast issued at 02:00am June 06). 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 (06 Jun) | 0.5ft (0.1m) | 11s |
| Afternoon (06 Jun) | 0.5ft (0.2m) | 7s |
| Evening (06 Jun) | 0.5ft (0.2m) | 7s |
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 42mm), heaviest during Sun night. Warm (max 23°C on Mon afternoon, min 17°C on Sat morning). Winds increasing (calm on Sun morning, strong winds from the N by Mon morning). | ||||||||||||||||||||||||
Saturday 6 | Sunday 7 | Monday 8 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SE 10 | SE 10 | E 14 | SE 4 | SE 5 | S 7 | S 8 | S 8 | S 8 | S 8 | SSW 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 8 | 39 | 662 | 337 | 346 | 313 | 224 | 666 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | off | glassy | glassy | glassy | cross | cross-on | cross | cross-off | off | cross-off | cross-off | off | cross-on | cross-on |
High Tide | 9:31PM1.32m | 7:33AM1.29m | 10:13PM1.29m | 8:35AM1.20m | 10:55PM1.28m | 9:56AM1.11m | ||||||||||||||||||
Low Tide | 2:34AM0.96m | 2:53PM0.19m | 3:38AM0.90m | 3:42PM0.33m | 4:48AM0.82m | 4:36PM0.47m | ||||||||||||||||||
 |  |  |  | | | | | | | |  | | | |  | |  |  |  | | | | | |
 | — | 4:26 | — | — | — | — | — | — | — | 4:26 | — | — | — | — | — | — | — | 4:26 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:53 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 9 | 11 | 10 | 4 | — | — | — | — |
Temp °C | 16 | 16 | 16 | 17 | 19 | 20 | 21 | 19 | 18 | 18 | 18 | 19 | 20 | 21 | 20 | 19 | 19 | 19 | 19 | 19 | 21 | 23 | 23 | 22 |
Feels °C | 12 | 11 | 11 | 13 | 16 | 18 | 20 | 18 | 18 | 17 | 17 | 20 | 21 | 23 | 21 | 20 | 20 | 19 | 16 | 13 | 17 | 23 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 7 | S 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SE 10 | S 7 | S 8 | S 8 | SW 14 | S 8 | SSW 8 |
| kJ | 1 | 1 | 1 | 1 | 1 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 2 | 2 | 2 | 2 | 4 | 212 | 337 | 346 | 8 | 224 | 229 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 4 | SE 4 | SE 4 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | — | — | SSE 8 | S 15 | E 11 | SSE 8 | — |
| kJ | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 1 | 1 | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | — | — | 302 | 5 | 9 | 98 | — |
Swell 3 Height (m) Direction Period (s) | E 7 | — | — | — | E 6 | — | — | SE 11 | SE 10 | SE 10 | SE 4 | E 5 | E 6 | — | SE 10 | E 14 | — | — | — | E 11 | SW 15 | E 10 | E 10 | — |
| kJ | 1 | — | — | — | 1 | — | — | 4 | 4 | 4 | 1 | 1 | 1 | — | 4 | 4 | — | — | — | 9 | 9 | 18 | 8 | — |
Wind waves Height (m) Direction Period (s) | NE 3 | NE 3 | NNE 3 | NE 3 | NE 3 | — | — | — | — | — | — | — | — | — | — | SE 3 | SE 4 | SE 5 | S 7 | NNW 2 | — | S 8 | — | SSW 8 |
| kJ | 5 | 5 | 4 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | 2 | 8 | 39 | 662 | 1 | — | 313 | — | 666 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 491 | 491 | 552 | 552 | 552 | 552 | 64 | 61 | 61 | 61 | 55 | 61 | 16 | 16 | 64 | 64 | 488 | 38 | 487 | 51 | 17 | 0 | 72 | 4 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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