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Surf Forecasts:
Nagahama surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Wednesday 15 Apr 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
16.0° C
(Which is 2.2°C colder than average for this time of year)How big are the waves at Nagahama today?
The current surf forecast for Nagahama at 11AM is: 1.0m 16s primary swell from a South-southeast direction and 0.6m 12s secondary swell from a South-southeast direction (forecast issued at 08:00am April 15). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Apr) | 2.5ft (0.7m) | 17s |
| Afternoon (15 Apr) | 4.5ft (1.3m) | 16s |
| Evening (15 Apr) | 4.5ft (1.3m) | 15s |
Table - waves today at Nagahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 15 | Thursday 16 | Friday 17 | Sat 18 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 16 | 15 | 14 | 14 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 305 | 246 | 635 | 778 | 730 | 693 | 763 | 785 | 722 | 722 | 362 | 679 | 419 | 394 | 604 | 654 | 637 | 604 | 627 | 588 | 725 | 744 | 776 | 776 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | glass | glass | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | off | off | off | cross- off | glass | cross- on | cross | cross- on | on |
High Tide / height (m) | 3:38AM 1.34 | 3:52PM 1.37 | 3:59AM 1.38 | 4:32PM 1.43 | 4:21AM 1.41 | 5:11PM 1.45 | ||||||||||||||||||
Low Tide / height (m) | 9:44AM 0.37 | 9:58PM 0.37 | 10:13AM 0.23 | 10:29PM 0.42 | 10:44AM 0.11 | 10:58PM 0.49 | ||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Sat 18 | |||||||||||||||||||||
| Sunrise | 5:09 | - | - | - | - | - | - | - | 5:09 | - | - | - | - | - | - | - | 5:07 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:14 | - | - | - | - | - | - | - | 6:15 | - | - | - |
 |  | | |  |  |  | | | |  | | |  | | | | | | | |  |  | | |
Rain (mm) | - | - | - | - | 1 | 9 | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 17 | 18 | 18 | 17 | 15 | 15 | 15 | 16 | 18 | 18 | 17 | 13 | 12 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 | 13 | 14 |
| Feels °C (?) | 15 | 16 | 17 | 17 | 17 | 11 | 11 | 9 | 11 | 10 | 11 | 9 | 3 | 4 | 4 | 3 | 3 | 4 | 8 | 12 | 11 | 10 | 11 | 12 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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 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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