Surf Forecasts:
How big are the waves at Rock Island today (14 Nov):
- Morning surf: Morning surf (14 Nov, local time) - 1.5ft (0.4m), 5s period with S swell.
- Afternoon surf: Afternoon surf (14 Nov, local time) - 1ft (0.3m), 10s period with ESE swell.
- Evening surf: Evening surf (14 Nov, local time) - 1ft (0.3m), 5s period with SSE swell.
The current surf forecast for Rock Island at 9AM is: 0.4m 5s primary swell from a South direction and 0.1m 11s secondary swell from a Southeast direction (forecast issued at 02:00am November 14). The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Nov) | 1.5ft (0.4m) | 5s |
| Afternoon (14 Nov) | 1ft (0.3m) | 10s |
| Evening (14 Nov) | 1ft (0.3m) | 5s |
Table - waves today at Rock Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Sun night. Very mild (max 19°C on Sat afternoon, min 14°C on Sun afternoon). Winds increasing (calm on Sat afternoon, fresh winds from the N by Sun afternoon). | |||||||||||||||||||||||||||
Saturday 14 | Sunday 15 | Monday 16 | Tue 17 | ||||||||||||||||||||||||
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 | 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 5 | S 6 | S 5 | S 5 | ESE 10 | SSE 5 | SSE 5 | SSE 5 | S 7 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 8 | S 8 | S 8 | S 8 | S 7 | S 7 | S 8 | S 8 | S 8 | SSE 7 |
Wave Graph  | |||||||||||||||||||||||||||
 kJ | 8 | 14 | 15 | 9 | 9 | 18 | 5 | 6 | 10 | 8 | 19 | 19 | 18 | 11 | 11 | 10 | 10 | 93 | 129 | 105 | 60 | 40 | 25 | 49 | 29 | 29 | 18 |
Wind (km/h) | |||||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | glassy | glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross | cross-off | off |
High Tide | 8:46AM1.41m | 6:32PM1.47m | 9:38AM1.36m | 7:15PM1.40m | 10:33AM1.33m | 8:11PM1.30m | |||||||||||||||||||||
Low Tide | 1:21AM0.06m | 1:28PM1.08m | 2:05AM0.13m | 2:20PM1.10m | 2:54AM0.23m | 3:27PM1.08m | 3:49AM0.35m | ||||||||||||||||||||
 |  | |  |  | | | | | | | |  | |  |  | |  | | | | | | | | | | |
 | — | — | 6:13 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 |
 | — | — | — | — | — | 4:36 | — | — | — | — | — | — | — | 4:36 | — | — | — | — | — | — | — | 4:35 | — | — | — | — | 4:35 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 2 | 8 | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 17 | 16 | 16 | 16 | 18 | 19 | 19 | 18 | 18 | 18 | 17 | 16 | 15 | 15 | 14 | 14 | 15 | 15 | 16 | 17 | 18 | 18 | 18 | 17 | 16 | 15 | 14 |
Feels °C | 16 | 11 | 11 | 12 | 15 | 17 | 18 | 16 | 17 | 17 | 16 | 14 | 15 | 12 | 8 | 8 | 12 | 13 | 15 | 12 | 13 | 13 | 14 | 14 | 12 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | S 5 | S 5 | S 6 | S 5 | S 5 | S 6 | SSE 5 | SSE 5 | SSE 5 | S 7 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 8 | S 8 | S 8 | S 8 | S 7 | S 7 | S 8 | S 8 | S 8 | SSE 7 |
| kJ | 8 | 14 | 15 | 9 | 9 | 9 | 5 | 6 | 10 | 8 | 19 | 19 | 18 | 11 | 11 | 10 | 10 | 93 | 129 | 105 | 60 | 40 | 25 | 49 | 29 | 29 | 18 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 8 | SE 12 | SE 11 | SE 11 | SE 11 | SSW 6 | SSW 6 | S 7 | SSE 5 | E 9 | SE 9 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SSE 8 | ESE 10 | SE 10 | SE 10 | SE 10 | S 9 | SE 10 | SE 10 | E 10 | SSW 8 |
| kJ | 1 | 1 | 5 | 4 | 4 | 4 | 3 | 3 | 1 | 5 | 2 | 3 | 4 | 4 | 4 | 4 | 4 | 51 | 38 | 4 | 4 | 4 | 6 | 4 | 4 | 2 | 6 |
Swell 3 Height (m) Direction Period (s) | — | E 12 | E 8 | — | E 8 | ESE 10 | SE 7 | SE 7 | SE 9 | SE 9 | E 11 | — | — | — | E 9 | S 8 | S 8 | ESE 10 | — | — | — | — | SE 10 | S 7 | — | SE 4 | SE 10 |
| kJ | — | 3 | 1 | — | 1 | 18 | 2 | 2 | 3 | 3 | 2 | — | — | — | 2 | 1 | 1 | 38 | — | — | — | — | 4 | 1 | — | 3 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNE 2 | NNE 3 | N 3 | NNE 3 | — | — | — | NE 2 | NNE 2 | NE 3 | ENE 3 | NE 3 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | 2 | — | — | — | 1 | 1 | 2 | 1 | 2 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||||||
Distance (km) | 51 | 51 | 51 | 51 | 51 | 54 | 51 | 54 | 51 | 16 | 18 | 16 | 18 | 16 | 61 | 65 | 61 | 0 | 0 | 2 | 0 | 38 | 38 | 0 | 64 | 228 | 228 |
Best forecast wave conditions in Kanagawa | |||||||||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||||||||
Header Global | |||||||||||||||||||||||||||
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