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Surf Forecasts:
Nagahama surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 am Friday 20 Feb 2026 JSTForecast update in hr min s Forecast update imminent
Nagahama surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nagahama sea temperature is
15.7° C
(Which is slightly cooler than normal)How big are the waves at Nagahama today?
The current surf forecast for Nagahama at 6AM is: 0.1m 8s primary swell from a Southwest direction (forecast issued at 02:00am February 20). An open ocean swell of 0.1m 12s is not directed at the surf break, a second open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Feb) | 0.5ft (0.1m) | 9s |
| Afternoon (20 Feb) | - | - |
| Evening (20 Feb) | - | - |
Table - waves today at Nagahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 20 | Saturday 21 | Sunday 22 | ||||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | — | — | — | |||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 8 | 9 | 9 | - | 9 | - | 4 | 12 | 12 | 12 | 4 | - | 12 | 12 | 12 | 5 | 6 | 12 | 8 | 4 | 4 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2 | 2 | 2 | 3 | 3 | 0 | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 13 | 34 | 63 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | cross- off | cross- off | glass | on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | glass | glass | glass | glass | glass | on | on | cross- on | on | on | on |
High Tide / height (m) | 6:39AM 1.39 | 6:42PM 1.40 | 7:00AM 1.37 | 7:23PM 1.31 | 7:22AM 1.35 | 8:09PM 1.19 | ||||||||||||||||||
Low Tide / height (m) | 12:25AM 0.18 | 12:38PM 0.34 | 12:52AM 0.30 | 1:12PM 0.30 | 1:18AM 0.45 | 1:51PM 0.29 | ||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:20 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:27 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:29 | - | - |
 | |  |  | | | | |  | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 7 | 6 | 5 | 6 | 7 | 8 | 9 | 9 | 9 | 9 | 8 | 8 | 10 | 11 | 12 | 12 | 12 | 11 | 11 | 11 | 12 | 13 | 14 | 14 |
| Feels °C (?) | 1 | -1 | -2 | 0 | 2 | 5 | 5 | 6 | 4 | 3 | 2 | 2 | 6 | 9 | 10 | 9 | 10 | 9 | 8 | 7 | 6 | 6 | 6 | 5 |
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nagahama 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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