Surf Forecasts:
How big are the waves at Rock Island today (08 Jun):
- Morning surf: Morning surf (08 Jun, local time) - 2.5ft (0.7m), 7s period with SE swell.
- Afternoon surf: Afternoon surf (08 Jun, local time) - 3.5ft (1.0m), 8s period with S swell.
- Evening surf: Evening surf (08 Jun, local time) - 2.5ft (0.8m), 8s period with SSE swell.
The current surf forecast for Rock Island at 3PM is: 1.0m 8s primary swell from a South direction and 0.6m 10s secondary swell from a South-southwest direction (forecast issued at 08:00am June 08). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Jun) | 2.5ft (0.7m) | 7s |
| Afternoon (08 Jun) | 3.5ft (1.0m) | 8s |
| Evening (08 Jun) | 2.5ft (0.8m) | 8s |
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 night. Warm (max 22°C on Mon afternoon, min 18°C on Wed morning). Winds decreasing (fresh winds from the N on Mon morning, light winds from the ENE by Tue morning). | ||||||||||||||||||||||||
Monday 8 | Tuesday 9 | Wednesday 10 | Thu 11 | |||||||||||||||||||||
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) | SSE 6 | SE 7 | SSW 9 | S 8 | SSE 8 | SSE 8 | SSE 8 | S 8 | S 7 | S 7 | S 7 | SSE 7 | S 6 | SSE 6 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 21 | 44 | 92 | 137 | 115 | 81 | 65 | 41 | 51 | 35 | 23 | 15 | 13 | 8 | 37 | 48 | 32 | 31 | 33 | 33 | 33 | 36 | 39 | 56 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | off | off | on | on | off | off | off | cross-off | cross-on | cross-on | cross-on | cross-on | off | off | off | off | off | off | off | off | off |
High Tide | 9:56AM1.11m | 11:37PM1.27m | 11:35AM1.07m | 00:17AM1.28m | 1:16PM1.09m | 00:56AM1.30m | ||||||||||||||||||
Low Tide | 4:48AM0.82m | 4:36PM0.47m | 5:59AM0.70m | 5:37PM0.61m | 7:04AM0.56m | 6:41PM0.73m | ||||||||||||||||||
 |  | |  | |  | |  | | | | | | | | | | | | | | | | | |
 | 4:26 | — | — | — | — | — | — | 4:26 | — | — | — | — | — | — | — | 4:26 | — | — | — | — | — | — | — | 4:26 |
 | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | 6:55 |
mm | 3 | — | — | — | — | — | — | 2 | 3 | 1 | 1 | — | — | — | — | — | — | 1 | 1 | — | — | — | — | 1 |
Temp °C | 19 | 19 | 20 | 22 | 22 | 21 | 21 | 20 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 |
Feels °C | 17 | 16 | 17 | 21 | 22 | 22 | 22 | 19 | 16 | 18 | 20 | 19 | 19 | 18 | 21 | 19 | 15 | 17 | 15 | 15 | 16 | 17 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | SSE 6 | SE 7 | SSW 9 | S 8 | SSE 8 | SSE 8 | SSE 8 | S 8 | S 7 | S 7 | S 7 | SSE 7 | SSW 8 | SSE 6 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 |
| kJ | 21 | 44 | 92 | 137 | 115 | 81 | 65 | 41 | 51 | 35 | 23 | 15 | 6 | 8 | 37 | 48 | 32 | 31 | 33 | 33 | 33 | 36 | 39 | 56 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SSW 10 | SE 7 | SSW 10 | SSW 10 | SSW 10 | SW 9 | SSW 8 | SSW 9 | SW 9 | SW 8 | SW 8 | S 10 | SSW 8 | E 8 | E 8 | S 10 | E 8 | SSE 6 | SSE 6 | — | SE 6 | SSW 12 | SE 10 |
| kJ | 4 | 9 | 37 | 72 | 67 | 38 | 22 | 13 | 8 | 3 | 10 | 10 | 2 | 6 | 11 | 10 | 8 | 5 | 6 | 8 | — | 9 | 13 | 4 |
Swell 3 Height (m) Direction Period (s) | S 6 | E 11 | SSW 14 | SSE 8 | SSE 7 | SSW 9 | S 8 | SW 9 | SW 9 | SSE 7 | — | S 11 | SSE 6 | SW 10 | SE 9 | SE 9 | E 8 | SE 9 | E 8 | E 5 | SE 9 | E 7 | SSW 12 | SE 6 |
| kJ | 1 | 9 | 21 | 47 | 61 | 16 | 41 | 13 | 29 | 9 | — | 2 | 8 | 4 | 3 | 3 | 5 | 3 | 5 | 2 | 3 | 4 | 14 | 5 |
Wind waves Height (m) Direction Period (s) | — | NNE 3 | NNE 3 | NNE 3 | — | — | S 3 | — | — | NNE 2 | NNE 3 | — | S 6 | S 3 | S 3 | — | NNE 2 | NE 3 | NE 3 | NE 3 | NE 3 | NNE 3 | — | NNE 2 |
| kJ | — | 2 | 3 | 2 | — | — | 3 | — | — | 1 | 1 | — | 13 | 1 | 1 | — | 1 | 2 | 3 | 4 | 2 | 1 | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 228 | 145 | 17 | 0 | 0 | 16 | 27 | 0 | 7 | 51 | 38 | 38 | 76 | 76 | 7 | 0 | 51 | 38 | 38 | 38 | 38 | 38 | 0 | 0 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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