Surf Forecasts:
How big are the waves at Rock Island today (02 Nov):
- Afternoon surf: Afternoon surf (02 Nov, local time) - 3.5ft (1.1m), 13s period with SSE swell.
- Evening surf: Evening surf (02 Nov, local time) - 3ft (0.9m), 12s period with SSE swell.
The current surf forecast for Rock Island at 9PM is: 0.9m 12s primary swell from a South-southeast direction and 0.7m 7s secondary swell from a South-southwest direction (forecast issued at 02:00pm November 02). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Nov) | - | - |
| Afternoon (02 Nov) | 3.5ft (1.1m) | 13s |
| Evening (02 Nov) | 3ft (0.9m) | 12s |
Table - waves today at Rock Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 61mm), heaviest during Thu morning. Very mild (max 17°C on Tue morning, min 12°C on Wed night). Winds increasing (light winds from the NNE on Mon night, strong winds from the N by Thu morning). | |||||||||||||||||||||||
Mon 2 | Tuesday 3 | Wednesday 4 | Thu 5 | ||||||||||||||||||||
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 | 6 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 14 | SSE 13 | SSE 12 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 12 | SSE 12 | S 12 | S 12 | SE 9 | SE 10 | SE 10 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 468 | 384 | 312 | 245 | 210 | 164 | 123 | 123 | 145 | 294 | 292 | 373 | 329 | 322 | 242 | 130 | 250 | 240 | 180 | 177 | 192 | 292 | 385 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off |
High Tide | 11:28AM1.31m | 8:42PM1.28m | 12:31PM1.31m | 10:23PM1.20m | 1:20PM1.32m | 00:23AM1.18m | |||||||||||||||||
Low Tide | 4:11PM1.13m | 4:38AM0.42m | 5:57PM1.06m | 5:52AM0.51m | 7:17PM0.92m | ||||||||||||||||||
 |  |  |  |  | | |  | | | | | | | | | | | | | | |  | |
 | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 |
 | — | 4:46 | — | — | — | — | — | — | — | 4:45 | — | — | — | — | — | — | — | 4:45 | — | — | — | — | 4:44 |
mm | — | 4 | 5 | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 1 | 1 | 1 | 3 | 4 | 7 |
Temp °C | 20 | 15 | 14 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 16 | 16 | 15 | 14 | 13 | 14 | 14 | 13 | 13 | 12 | 12 | 13 |
Feels °C | 18 | 10 | 9 | 13 | 14 | 14 | 11 | 12 | 13 | 14 | 13 | 13 | 13 | 10 | 8 | 7 | 8 | 9 | 7 | 8 | 5 | 5 | 6 |
Swell 1 Height (m) Direction Period (s) | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 13 | SSE 12 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 12 | SSE 12 | S 12 | SE 9 | SE 9 | SE 10 | SE 10 |
| kJ | 468 | 384 | 312 | 245 | 210 | 164 | 123 | 123 | 109 | 294 | 292 | 373 | 329 | 322 | 242 | 130 | 250 | 240 | 180 | 119 | 192 | 292 | 385 |
Swell 2 Height (m) Direction Period (s) | E 9 | SSW 6 | SSW 6 | SSW 7 | S 7 | S 7 | SSW 7 | S 15 | SSE 14 | SSW 6 | SSW 7 | ESE 8 | E 11 | E 11 | ESE 8 | S 12 | E 11 | SE 8 | SE 9 | S 12 | S 11 | S 12 | S 12 |
| kJ | 6 | 48 | 75 | 48 | 23 | 24 | 16 | 109 | 145 | 4 | 4 | 37 | 2 | 2 | 44 | 113 | 2 | 23 | 76 | 177 | 127 | 136 | 138 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | ESE 9 | SSE 15 | SSW 7 | S 7 | SW 7 | — | SW 7 | SW 7 | ESE 11 | ESE 11 | E 11 | ESE 11 | NW 4 | — | — | — | — | — |
| kJ | — | — | — | — | — | 16 | 74 | 15 | 8 | 7 | — | 2 | 2 | 12 | 12 | 2 | 12 | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 5 | SSW 6 | — | — | — | — | — | NE 3 | NE 3 | — | E 3 | E 3 | ESE 8 | NE 3 | NNE 3 | NNE 3 | NNE 3 | NNE 3 | N 3 | NNE 3 | NNE 3 | N 3 | N 4 |
| kJ | 36 | 164 | — | — | — | — | — | 2 | 2 | — | 3 | 5 | 68 | 3 | 3 | 3 | 5 | 5 | 5 | 3 | 5 | 8 | 14 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 10 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 38 | 38 | 10 | 8 | 228 | 228 | 228 | 488 | 38 | 38 | 470 | 470 | 38 |
Best forecast wave conditions in Kanagawa | |||||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||||
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