Surf Forecasts:
How big are the waves at Rock Island today (14 Jun):
- Morning surf: Morning surf (14 Jun, local time) - 1.5ft (0.5m), 6s period with S swell.
- Afternoon surf: Afternoon surf (14 Jun, local time) - 1ft (0.3m), 9s period with E swell.
- Evening surf: Evening surf (14 Jun, local time) - 2ft (0.6m), 4s period with S swell.
The current surf forecast for Rock Island at 1PM is: 0.5m 6s primary swell from a South direction and 0.1m 10s secondary swell from a Southeast direction, 0.1m 9s secondary swell from a Southeast direction (forecast issued at 08:00am June 14). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Jun) | 1.5ft (0.5m) | 6s |
| Afternoon (14 Jun) | 1ft (0.3m) | 9s |
| Evening (14 Jun) | 2ft (0.6m) | 4s |
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 11mm), heaviest on Sun night. Warm (max 22°C on Sun morning, min 17°C on Sun night). Winds decreasing (fresh winds from the NNE on Mon morning, calm by Tue morning). | ||||||||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
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) | SSW 4 | S 6 | S 6 | E 9 | S 4 | S 4 | S 4 | ESE 8 | SSE 5 | SSE 6 | SE 7 | SE 8 | SSE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SSE 8 | SE 8 | S 7 | S 7 | SSW 7 | SSW 7 | S 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 16 | 19 | 19 | 14 | 10 | 10 | 12 | 44 | 8 | 10 | 12 | 33 | 46 | 112 | 74 | 54 | 67 | 40 | 15 | 15 | 23 | 5 | 5 | 3 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | on | on | cross-on | on | on | cross | off | off | off | off | off | off | off | off | off | glassy | cross-on | on | on | on | on | on |
High Tide | 5:35PM1.36m | 3:31AM1.44m | 6:19PM1.39m | 4:10AM1.47m | 7:00PM1.41m | |||||||||||||||||||
Low Tide | 10:15AM0.03m | 10:23PM1.00m | 10:57AM-0.05m | 11:06PM1.02m | 11:37AM-0.08m | 11:48PM1.02m | ||||||||||||||||||
 |  |  | | |  |  | |  | | | | |  | | | | | | | | |  | | |
 | 4:26 | — | — | — | — | — | — | 4:26 | — | — | — | — | — | — | — | 4:26 | — | — | — | — | — | — | — | 4:26 |
 | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:58 | — | — | 6:58 |
mm | — | — | — | — | — | — | 1 | 2 | 5 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 22 | 22 | 22 | 22 | 22 | 19 | 17 | 17 | 17 | 18 | 18 | 19 | 18 | 18 | 18 | 18 | 20 | 21 | 22 | 21 | 21 | 21 | 21 |
Feels °C | 22 | 23 | 21 | 20 | 21 | 20 | 17 | 16 | 15 | 12 | 13 | 13 | 15 | 14 | 16 | 17 | 18 | 20 | 21 | 20 | 19 | 20 | 20 | 21 |
Swell 1 Height (m) Direction Period (s) | S 5 | S 6 | SE 10 | SE 10 | SE 6 | SE 10 | SE 9 | S 4 | SSE 5 | SSE 6 | SE 7 | SE 8 | SSE 9 | SE 9 | SE 8 | SE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 7 | SSW 7 | SSE 6 | S 6 |
| kJ | 7 | 12 | 4 | 4 | 1 | 4 | 3 | 6 | 7 | 10 | 12 | 33 | 46 | 112 | 74 | 54 | 43 | 40 | 15 | 9 | 8 | 5 | 4 | 3 |
Swell 2 Height (m) Direction Period (s) | SSE 6 | SW 7 | SE 9 | E 9 | SE 10 | — | S 7 | SE 6 | SE 9 | SE 9 | S 6 | SSE 9 | SE 8 | — | S 22 | E 13 | SE 8 | SSE 8 | SSW 7 | S 20 | S 20 | SSE 7 | SSW 7 | SE 7 |
| kJ | 4 | 2 | 3 | 14 | 4 | — | 1 | 1 | 3 | 3 | 3 | 17 | 35 | — | 9 | 3 | 67 | 39 | 5 | 8 | 8 | 4 | 5 | 2 |
Swell 3 Height (m) Direction Period (s) | S 7 | SE 10 | SE 10 | SE 9 | — | SE 12 | E 8 | SE 9 | ESE 9 | ESE 9 | E 14 | E 14 | — | S 23 | E 13 | S 22 | SSW 7 | SE 8 | — | SSW 7 | — | SE 7 | S 3 | — |
| kJ | 1 | 4 | 4 | 3 | — | 6 | 5 | 3 | 8 | 8 | 4 | 4 | — | 10 | 3 | 9 | 5 | 15 | — | 9 | — | 2 | 1 | — |
Wind waves Height (m) Direction Period (s) | SSW 4 | S 6 | S 6 | S 3 | S 4 | S 4 | S 4 | ESE 8 | ENE 2 | NNE 3 | NNE 3 | NNE 3 | NNE 3 | NNE 3 | NNE 3 | NNE 3 | — | — | — | S 7 | S 7 | S 3 | — | — |
| kJ | 16 | 19 | 19 | 8 | 10 | 10 | 12 | 44 | 1 | 6 | 7 | 7 | 7 | 4 | 3 | 2 | — | — | — | 15 | 23 | 2 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 76 | 145 | 77 | 77 | 77 | 77 | 77 | 487 | 487 | 228 | 470 | 145 | 8 | 0 | 0 | 0 | 0 | 0 | 16 | 77 | 77 | 51 | 55 | 51 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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