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Rock Island surf Forecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Thursday 25 Apr 2024 JST
Forecast update in hr min s Update imminent
Rock Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rock Island sea temperature is 19.1°C (Statistics for 25 Apr 1981-2005 - mean: 18.7 °C max: 21.2 °C min: 16.7 °C)
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Rock Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rock Island sea temperature is 19.1°C (Statistics for 25 Apr 1981-2005 - mean: 18.7 °C max: 21.2 °C min: 16.7 °C)
How big are the waves at Rock Island today?
The current surf forecast for Rock Island at 1PM is: 0.7m 7s primary swell from a South-southeast direction and 0.1m 8s secondary swell from a South direction (forecast issued at 08:00am April 25). The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | 2.5ft (0.8m) | 7s |
| Afternoon (25 Apr) | 2ft (0.6m) | 7s |
| Evening (25 Apr) | 1.5ft (0.5m) | 7s |
Table - waves today at Rock Island. (Swell directed towards the surf break)
Updates in hr min s Update imminent
Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 01 | Thursday 02 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |    |    |    |    |    |    |    |    | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 7 | 7 | 6 | 6 | 4 | 4 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 7 | 7 | 8 | 8 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 86 | 61 | 59 | 34 | 56 | 31 | 21 | 12 | 8 | 8 | 11 | 13 | 7 | 6 | 6 | 6 | 4 | 5 | 4 | 4 | 8 | 17 | 22 | 49 | 51 | 55 | 55 | 51 | 27 | 24 | 9 | 9 | 9 | 8 | 4 | 5 | 3 | 11 | 5 | 9 | 21 | 29 | 18 | 26 | 29 | 32 | 40 | 40 | 38 | 31 | 23 | 16 | 16 | 19 | 20 | 7 | 8 | 6 | 6 | 3 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- on | cross- off | cross- off | glass | cross- off | off | off | off | off | glass | on | cross- on | on | cross- on | on | on | off | off | off | off | off | glass | glass | on | cross- on | on | on | on | on | on | cross- on | glass | off | cross- on | on | cross- on | cross- on | cross | cross | cross | off | off | off | off | cross- off | cross- off | glass | cross | glass | cross- on | on | glass | off | off | off | off | off | cross- off | cross- off |
High Tide / height (m) | 5:07AM 1.37 | 6:39PM 1.38 | 5:32AM 1.38 | 7:25PM 1.35 | 5:58AM 1.39 | 8:15PM 1.29 | 6:26AM 1.37 | 9:11PM 1.23 | 6:57AM 1.33 | 10:17PM 1.19 | 7:34AM 1.26 | 11:35PM 1.16 | 8:25AM 1.17 | 12:47AM 1.17 | 9:58AM 1.07 | |||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 11:51AM 0.01 | 12:06AM 0.71 | 12:27PM -0.03 | 12:37AM 0.80 | 1:06PM -0.04 | 1:10AM 0.88 | 1:48PM -0.00 | 1:47AM 0.95 | 2:35PM 0.06 | 2:36AM 1.01 | 3:30PM 0.16 | 3:57AM 1.03 | 4:36PM 0.25 | 5:58AM 0.98 | ||||||||||||||||||||||||||||||||||||||||||||||
Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 01 | Thursday 02 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | 4:56 | - | - | - | - | - | - | - | 4:56 | - | - | - | - | - | - | - | 4:54 | - | - | - | - | - | - | - | 4:52 | - | - | - | - | - | - | - | 4:52 | - | - | - | - | - | - | - | 4:50 | - | - | - | - | - | - | - | 4:50 | - | - | - | - | - | - | - | 4:48 | - | - | - |
| Sunset | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:23 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:25 | - | - | - | - | - | - | - | 6:25 | - | - | - | - | - | - | - | 6:27 | - | - | - | - | - | - | - |
 |  |  | |  |  | | |  | | | | | | | | |  |  | | | | | | | | | | | | | | | | | | | | | |  | | | | | | | | | | | | |  | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3 | 8 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 4 | 3 | 1 | - | - | - | - | - | - | - | 2 | 3 | 6 | 4 | 3 | 2 | 2 | - | - |
| Temp. °C | 16 | 17 | 18 | 21 | 22 | 19 | 18 | 17 | 17 | 18 | 20 | 20 | 20 | 19 | 19 | 19 | 16 | 14 | 14 | 15 | 17 | 17 | 16 | 15 | 16 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 20 | 20 | 19 | 19 | 19 | 18 | 17 | 17 | 17 | 18 | 18 | 18 | 17 | 17 | 18 | 19 | 19 | 18 | 18 | 18 | 16 | 15 | 13 | 15 | 16 | 18 |
| Feels °C (?) | 16 | 16 | 18 | 20 | 22 | 18 | 16 | 15 | 16 | 17 | 21 | 20 | 20 | 18 | 19 | 15 | 14 | 11 | 9 | 9 | 13 | 15 | 16 | 15 | 16 | 16 | 16 | 15 | 15 | 16 | 17 | 18 | 19 | 20 | 19 | 18 | 17 | 19 | 18 | 18 | 17 | 16 | 14 | 14 | 14 | 16 | 17 | 18 | 19 | 20 | 19 | 19 | 20 | 14 | 11 | 10 | 6 | 7 | 11 | 13 |
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rock Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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