Surf Forecasts:
How big are the waves at Rock Island today (14 Nov):
- Afternoon surf: Afternoon surf (14 Nov, local time) - 1.5ft (0.4m), 6s period with S swell.
- Evening surf: Evening surf (14 Nov, local time) - 1.5ft (0.4m), 6s period with SSE swell.
The current surf forecast for Rock Island at 9PM is: 0.4m 6s primary swell from a South-southeast direction and 0.2m 6s secondary swell from a South-southwest direction (forecast issued at 02:00pm November 14). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Nov) | - | - |
| Afternoon (14 Nov) | 1.5ft (0.4m) | 6s |
| Evening (14 Nov) | 1.5ft (0.4m) | 6s |
Table - waves today at Rock Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 30mm), heaviest during Sun afternoon. Very mild (max 19°C on Sat afternoon, min 12°C on Tue morning). Winds increasing (calm on Sat afternoon, fresh winds from the N by Sun afternoon). | |||||||||||||||||||||||
Sat 14 | Sunday 15 | Monday 16 | Tue 17 | ||||||||||||||||||||
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) | S 5 | S 6 | SSE 5 | SSE 6 | SSE 5 | SSE 5 | S 5 | S 6 | S 6 | S 5 | S 5 | S 6 | S 7 | S 8 | S 8 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | SSE 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 9 | 9 | 6 | 10 | 10 | 9 | 8 | 10 | 10 | 14 | 21 | 59 | 102 | 191 | 205 | 177 | 153 | 122 | 69 | 47 | 31 | 18 | 10 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | glassy | cross-on | glassy | glassy | off | cross-off | cross-off | off | off | off | off | off | cross-off | off | off | off | cross-off | cross-off | cross | cross-off | cross-off |
High Tide | 6:32PM1.47m | 9:38AM1.36m | 7:15PM1.40m | 10:33AM1.33m | 8:11PM1.30m | ||||||||||||||||||
Low Tide | 1:28PM1.08m | 2:05AM0.13m | 2:20PM1.10m | 2:54AM0.23m | 3:27PM1.08m | 3:49AM0.35m | |||||||||||||||||
 | |  | | | | | |  | |  |  |  | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 |
 | — | 4:36 | — | — | — | — | — | — | — | 4:36 | — | — | — | — | — | — | — | 4:35 | — | — | — | — | 4:35 |
mm | — | — | — | — | — | — | — | — | 2 | 5 | 11 | 10 | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 18 | 19 | 19 | 18 | 18 | 18 | 17 | 15 | 13 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 16 | 15 | 14 |
Feels °C | 15 | 17 | 18 | 16 | 17 | 17 | 15 | 13 | 12 | 12 | 8 | 9 | 12 | 14 | 13 | 12 | 13 | 12 | 14 | 14 | 13 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | S 5 | S 6 | SSE 5 | SSE 6 | SSE 5 | SSE 5 | S 5 | S 6 | S 6 | S 6 | S 5 | S 6 | S 7 | S 8 | S 8 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | SSE 7 |
| kJ | 9 | 9 | 6 | 10 | 10 | 9 | 8 | 10 | 10 | 6 | 21 | 59 | 102 | 191 | 205 | 177 | 153 | 122 | 69 | 47 | 31 | 18 | 10 |
Swell 2 Height (m) Direction Period (s) | SE 11 | SE 7 | SSW 6 | SSW 6 | SE 11 | SE 9 | E 9 | SE 9 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SSW 8 |
| kJ | 4 | 2 | 3 | 3 | 5 | 3 | 1 | 3 | 4 | 4 | 4 | 4 | 4 | 37 | 24 | 24 | 25 | 25 | 4 | 4 | 4 | 4 | 6 |
Swell 3 Height (m) Direction Period (s) | E 8 | SE 11 | SE 7 | SE 11 | E 9 | E 11 | E 11 | — | SE 6 | SE 7 | E 9 | — | — | — | — | — | — | — | — | — | — | ESE 4 | SE 10 |
| kJ | 1 | 4 | 2 | 5 | 2 | 2 | 2 | — | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | 2 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SSW 3 | — | — | S 5 | N 3 | N 3 | NNE 3 | NNE 3 | NNE 3 | NNE 2 | — | NNE 3 | — | NNE 2 | ENE 2 | ENE 2 | NE 2 |
| kJ | — | — | — | — | — | — | 1 | — | — | 14 | 4 | 8 | 3 | 1 | 1 | 1 | — | 3 | — | 1 | 1 | 1 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 51 | 51 | 51 | 54 | 54 | 54 | 54 | 54 | 54 | 16 | 38 | 136 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 38 | 51 | 228 |
Best forecast wave conditions in Kanagawa | |||||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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