Surf Forecasts:
How big are the waves at Rock Island today (05 Nov):
- Morning surf: Morning surf (05 Nov, local time) - 6ft (1.9m), 11s period with SSE swell.
- Afternoon surf: Afternoon surf (05 Nov, local time) - 4ft (1.2m), 13s period with S swell.
- Evening surf: Evening surf (05 Nov, local time) - 4.5ft (1.3m), 13s period with S swell.
The current surf forecast for Rock Island at 5PM is: 1.2m 13s primary swell from a South direction and 1.2m 10s secondary swell from a Southeast direction (forecast issued at 08:00am November 05). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Nov) | 6ft (1.9m) | 11s |
| Afternoon (05 Nov) | 4ft (1.2m) | 13s |
| Evening (05 Nov) | 4.5ft (1.3m) | 13s |
Table - waves today at Rock Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Thu morning. Warm (max 22°C on Fri morning, min 11°C on Sat night). Mainly strong winds. | |||||||||||||||||||||||||
Thursday 5 | Friday 6 | Saturday 7 | Sun 8 | ||||||||||||||||||||||
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 | 6 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||||
Wave Height (m) Direction Period (s) | SE 10 | SSE 11 | SSE 11 | S 13 | S 13 | S 13 | S 14 | S 14 | S 13 | S 12 | S 12 | SSE 11 | SSE 10 | SW 8 | SSE 9 | SSE 9 | SSE 9 | SW 9 | SSW 9 | SSW 5 | SSE 8 | SSW 5 | SSW 5 | SE 13 | SE 13 |
Wave Graph  | |||||||||||||||||||||||||
 kJ | 530 | 845 | 634 | 477 | 448 | 577 | 828 | 1620 | 1609 | 988 | 639 | 356 | 180 | 201 | 32 | 16 | 15 | 12 | 7 | 5 | 6 | 3 | 3 | 6 | 6 |
Wind (km/h) | |||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | on | cross | off | glassy | cross-on | glassy | cross-off | off | off | off | off | cross-off | off | off | off | off | off | off |
High Tide | 1:58PM1.34m | 1:56AM1.23m | 2:30PM1.37m | 3:06AM1.32m | 2:59PM1.41m | 4:02AM1.39m | |||||||||||||||||||
Low Tide | 7:04AM0.58m | 8:10PM0.76m | 8:06AM0.63m | 8:53PM0.59m | 8:58AM0.69m | 9:31PM0.43m | |||||||||||||||||||
 |  |  |  |  | |  | | |  | | |  | | | | | | | | | | | | | |
 | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 |
 | — | — | — | 4:44 | — | — | — | — | — | — | — | 4:43 | — | — | — | — | — | — | — | 4:42 | — | — | — | — | 4:40 |
mm | 14 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 15 | 17 | 18 | 17 | 17 | 18 | 19 | 19 | 19 | 22 | 22 | 22 | 21 | 19 | 18 | 16 | 15 | 17 | 18 | 14 | 13 | 12 | 11 | 11 |
Feels °C | 3 | 7 | 12 | 16 | 16 | 18 | 18 | 18 | 18 | 18 | 22 | 20 | 22 | 21 | 14 | 13 | 11 | 11 | 15 | 14 | 6 | 6 | 7 | 6 | 6 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SSE 11 | SSE 11 | SE 11 | S 13 | S 13 | S 14 | S 14 | S 13 | S 12 | S 12 | SSE 11 | SSE 10 | SSE 10 | SSW 6 | SSW 6 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SW 5 | SE 8 |
| kJ | 530 | 845 | 634 | 361 | 448 | 577 | 828 | 1620 | 1609 | 988 | 639 | 356 | 180 | 85 | 26 | 14 | 11 | 5 | 5 | 5 | 3 | 3 | 3 | 1 | 2 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 12 | S 14 | S 13 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SSW 6 | S 11 | SSW 9 | SSW 6 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSW 9 | SW 8 | SW 8 | SW 9 | SE 8 | SE 8 | SE 13 |
| kJ | 59 | 95 | 129 | 477 | 308 | 196 | 138 | 98 | 356 | 25 | 71 | 238 | 8 | 14 | 32 | 16 | 15 | 7 | 7 | 3 | 3 | 3 | 2 | 2 | 6 |
Swell 3 Height (m) Direction Period (s) | S 16 | S 15 | S 11 | — | — | — | — | — | — | — | — | SW 8 | S 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SW 9 | S 8 | S 8 | SSE 8 | SE 8 | SW 9 | SE 13 | — |
| kJ | 43 | 42 | 85 | — | — | — | — | — | — | — | — | 60 | 96 | 8 | 8 | 7 | 7 | 12 | 5 | 1 | 6 | 2 | 3 | 6 | — |
Wind waves Height (m) Direction Period (s) | N 4 | N 4 | N 4 | N 4 | — | — | — | — | SW 4 | — | — | — | — | SW 8 | — | — | — | — | — | — | — | NE 3 | NE 3 | NNE 3 | NNE 3 |
| kJ | 33 | 27 | 7 | 8 | — | — | — | — | 16 | — | — | — | — | 201 | — | — | — | — | — | — | — | 2 | 2 | 3 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||||||
Distance (km) | 228 | 136 | 38 | 0 | 0 | 0 | 12 | 14 | 2 | 0 | 0 | 487 | 0 | 0 | 0 | 61 | 51 | 38 | 16 | 38 | 90 | 86 | 51 | 51 | 51 |
Best forecast wave conditions in Kanagawa | |||||||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||||||
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