Surf Forecasts:
How big are the waves at Rock Island today (03 Nov):
- Morning surf: Morning surf (03 Nov, local time) - 2.5ft (0.7m), 12s period with SSE swell.
- Afternoon surf: Afternoon surf (03 Nov, local time) - 3ft (0.9m), 13s period with SSE swell.
- Evening surf: Evening surf (03 Nov, local time) - 3.5ft (1.1m), 13s period with SSE swell.
The current surf forecast for Rock Island at 5PM is: 0.9m 13s primary swell from a South-southeast direction and 0.2m 6s secondary swell from a South direction (forecast issued at 08:00am November 03). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Nov) | 2.5ft (0.7m) | 12s |
| Afternoon (03 Nov) | 3ft (0.9m) | 13s |
| Evening (03 Nov) | 3.5ft (1.1m) | 13s |
Table - waves today at Rock Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 48mm), heaviest during Wed night. Very mild (max 19°C on Thu afternoon, min 12°C on Wed night). Winds decreasing (strong winds from the N on Wed night, calm by Thu night). | |||||||||||||||||||||||||
Tuesday 3 | Wednesday 4 | Thursday 5 | Fri 6 | ||||||||||||||||||||||
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) | SSE 12 | SSE 12 | SSE 14 | SSE 13 | SSE 12 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | S 11 | SE 9 | SE 10 | SE 10 | SE 10 | SSE 10 | SSE 10 | SSE 10 | S 12 | S 12 | S 13 | S 13 | S 13 |
Wave Graph  | |||||||||||||||||||||||||
 kJ | 123 | 123 | 145 | 294 | 271 | 373 | 292 | 250 | 193 | 173 | 130 | 88 | 121 | 101 | 154 | 250 | 392 | 576 | 599 | 530 | 342 | 441 | 543 | 723 | 813 |
Wind (km/h) | |||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | off | cross-off | glassy | on | cross-on | off |
High Tide | 12:31PM1.31m | 10:23PM1.20m | 1:20PM1.32m | 00:23AM1.18m | 1:58PM1.34m | 1:56AM1.23m | |||||||||||||||||||
Low Tide | 4:38AM0.42m | 5:57PM1.06m | 5:52AM0.51m | 7:17PM0.92m | 7:04AM0.58m | 8:10PM0.76m | |||||||||||||||||||
 |  |  | |  |  | | | | | | | | | |  |  |  | | | | | |  | | |
 | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 |
 | — | — | — | 4:45 | — | — | — | — | — | — | — | 4:45 | — | — | — | — | — | — | — | 4:44 | — | — | — | — | 4:43 |
mm | — | — | — | — | — | 1 | — | 1 | — | — | — | — | 1 | 1 | 5 | 7 | 17 | 15 | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 17 | 17 | 16 | 15 | 15 | 14 | 15 | 14 | 15 | 15 | 15 | 15 | 13 | 12 | 13 | 15 | 18 | 19 | 19 | 18 | 19 | 19 | 17 |
Feels °C | 12 | 13 | 13 | 14 | 13 | 12 | 11 | 9 | 10 | 9 | 9 | 9 | 10 | 11 | 7 | 4 | 5 | 9 | 12 | 16 | 18 | 18 | 17 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 11 | SSE 13 | SSE 12 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | S 11 | SE 9 | SE 10 | SE 10 | SE 10 | SSE 10 | SSE 10 | SSE 10 | SE 10 | S 12 | S 13 | S 13 | S 13 |
| kJ | 123 | 123 | 109 | 294 | 271 | 373 | 292 | 250 | 193 | 173 | 130 | 88 | 121 | 101 | 154 | 250 | 392 | 576 | 599 | 530 | 290 | 441 | 543 | 723 | 813 |
Swell 2 Height (m) Direction Period (s) | SSW 7 | S 15 | SSE 14 | S 6 | SSW 7 | SW 6 | E 11 | E 11 | ESE 8 | E 11 | S 13 | SE 8 | SE 9 | S 11 | S 10 | S 11 | S 10 | S 11 | S 12 | S 12 | S 12 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 29 | 109 | 145 | 3 | 4 | 2 | 2 | 2 | 42 | 2 | 52 | 31 | 81 | 86 | 56 | 36 | 19 | 9 | 95 | 98 | 342 | 217 | 138 | 94 | 79 |
Swell 3 Height (m) Direction Period (s) | SSE 15 | SSW 7 | S 7 | — | — | SE 11 | — | ESE 11 | ESE 11 | S 12 | E 11 | S 12 | — | — | — | S 14 | S 15 | S 15 | — | S 15 | NNW 4 | — | — | — | — |
| kJ | 74 | 15 | 8 | — | — | 5 | — | 12 | 12 | 78 | 2 | 47 | — | — | — | 16 | 17 | 17 | — | 39 | 3 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NE 3 | — | E 8 | E 3 | — | — | NNE 3 | NNE 3 | NNE 3 | NNE 3 | NNE 3 | NNE 3 | N 3 | N 3 | N 4 | N 4 | N 4 | NNW 4 | N 4 | N 4 | — | — | — | — |
| kJ | — | 2 | — | 37 | 2 | — | — | 3 | 4 | 5 | 4 | 5 | 4 | 5 | 5 | 12 | 23 | 33 | 21 | 10 | 2 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 8 | 0 | 12 | 0 | 0 | 0 | 4 | 8 | 8 | 8 | 0 | 38 | 38 | 38 | 17 | 17 | 0 | 0 | 0 | 27 | 14 | 0 |
Best forecast wave conditions in Kanagawa | |||||||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||||||
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