Europe’s Wet, Winter Wave Wrap Up
Precipitation in Portugal, rain in Spain, barrels in Britain and some magical moments in Mully, the Med, Morocco and Mundaka.
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Surf Forecasts:
Rock Island surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 pm Saturday 21 Feb 2026 JSTForecast update in hr min s Forecast 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
16.1° C
(Which is normal for this time of year)| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Feb) | 0.5ft (0.1m) | 12s |
| Afternoon (22 Feb) | 3ft (0.9m) | 4s |
| Evening (22 Feb) | 4.5ft (1.3m) | 5s |
Table - waves today at Rock Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sat 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| 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) (?) | 4 | 12 | 12 | - | - | 12 | 12 | 4 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1 | 3 | 3 | 0 | 0 | 3 | 4 | 31 | 67 | 93 | 159 | 229 | 237 | 226 | 214 | 167 | 113 | 56 | 31 | 15 | 8 | 5 | 5 | 4 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross- off | off | off | off | off | glass | cross- on |
High Tide / height (m) | 7:48PM 1.30 | 7:50AM 1.32 | 8:39PM 1.21 | 8:15AM 1.31 | 9:41PM 1.11 | 8:43AM 1.30 | ||||||||||||||||||
Low Tide / height (m) | 1:47AM 0.45 | 2:18PM 0.29 | 2:17AM 0.59 | 3:05PM 0.27 | 2:46AM 0.74 | |||||||||||||||||||
Sat 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:18 | - | - |
| Sunset | - | - | - | - | - | - | - | 5:29 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 |
 | | | | |  | | | | |  | |  |  | | | | | | |  |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 12 | 11 | 11 | 11 | 11 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 17 | 17 | 17 | 14 | 12 | 11 | 11 | 11 | 12 | 13 |
| Feels °C (?) | 9 | 9 | 8 | 8 | 7 | 7 | 8 | 7 | 8 | 8 | 8 | 7 | 8 | 9 | 11 | 11 | 12 | 10 | 7 | 6 | 8 | 8 | 11 | 9 |
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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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