Surf Forecasts:
How big are the waves at Rock Island today (01 Nov):
- Afternoon surf: Afternoon surf (01 Nov, local time) - 5ft (1.5m), 16s period with SSE swell.
- Evening surf: Evening surf (01 Nov, local time) - 5ft (1.6m), 15s period with SSE swell.
The current surf forecast for Rock Island at 9PM is: 1.6m 15s primary swell from a South-southeast direction and 0.2m 10s secondary swell from a East direction (forecast issued at 02:00pm November 01). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Nov) | - | - |
| Afternoon (01 Nov) | 5ft (1.5m) | 16s |
| Evening (01 Nov) | 5ft (1.6m) | 15s |
Table - waves today at Rock Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Mon afternoon. Warm (max 21°C on Mon morning, min 13°C on Tue night). Winds increasing (calm on Sun afternoon, fresh winds from the NNE by Tue night). | ||||||||||||||||||||
Sun 1 | Monday 2 | Tuesday 3 | ||||||||||||||||||
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) | SSE 15 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 13 | SSE 12 | SSE 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 584 | 1107 | 1037 | 1088 | 911 | 778 | 580 | 490 | 468 | 384 | 312 | 245 | 210 | 164 | 123 | 158 | 123 | 235 | 210 | 203 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | off | off | off | off | off | off | off | cross | cross-off | cross-off |
High Tide | 10:19AM1.33m | 7:42PM1.38m | 11:28AM1.31m | 8:42PM1.28m | 12:31PM1.31m | |||||||||||||||
Low Tide | 2:47PM1.13m | 3:33AM0.31m | 4:11PM1.13m | 4:38AM0.42m | 5:57PM1.06m | |||||||||||||||
 | |  |  | | | |  | |  |  |  | | | | | | | | | |
 | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — |
 | — | 4:47 | — | — | — | — | — | — | — | 4:46 | — | — | — | — | — | — | — | 4:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | 2 | 9 | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 21 | 16 | 14 | 17 | 16 | 16 | 16 | 17 | 18 | 18 | 17 | 17 |
Feels °C | 15 | 17 | 19 | 16 | 14 | 14 | 16 | 16 | 17 | 13 | 8 | 12 | 13 | 14 | 13 | 15 | 16 | 16 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | SSE 15 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 13 | SSE 12 | SSE 12 |
| kJ | 584 | 1107 | 1037 | 1088 | 911 | 778 | 580 | 490 | 468 | 384 | 312 | 245 | 210 | 164 | 123 | 158 | 123 | 235 | 210 | 203 |
Swell 2 Height (m) Direction Period (s) | SSE 18 | — | — | E 10 | E 10 | ESE 9 | ESE 9 | SSW 5 | E 9 | SSW 5 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 8 | SSE 14 | S 14 | SSW 7 | SSE 15 | S 16 |
| kJ | 516 | — | — | 8 | 16 | 17 | 17 | 36 | 6 | 31 | 80 | 84 | 55 | 43 | 32 | 69 | 96 | 5 | 78 | 77 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | S 16 | ESE 9 | SSE 14 | SSW 7 | SSW 7 | — | SW 7 | SW 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 20 | 16 | 62 | 18 | 9 | — | 7 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SW 4 | SW 5 | SW 5 | SW 5 | SSW 5 | SW 6 | — | N 3 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 15 | 40 | 41 | 83 | 34 | 97 | — | 1 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 6 | 12 | 0 | 14 | 92 | 14 | 14 | 12 | 487 | 7 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 142 | 38 | 0 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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