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Surf Forecasts:
Nagahama surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 am Tuesday 28 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
19.0° C
(Which is normal for this time of year)How big are the waves at Nagahama today?
The current surf forecast for Nagahama at 8AM is: 0.6m 7s primary swell from a South-southwest direction and 0.1m 7s secondary swell from a Southeast direction (forecast issued at 02:00am April 28). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 2ft (0.6m) | 7s |
| Afternoon (28 Apr) | 3.5ft (1.0m) | 4s |
| Evening (28 Apr) | 5ft (1.5m) | 6s |
Table - waves today at Nagahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 16mm), heaviest on Thu night. Warm (max 20°C on Tue afternoon, min 12°C on Thu night). Mainly strong winds. | ||||||||||||||||||||||||
Tuesday 28 | Wednesday 29 | Thursday 30 | ||||||||||||||||||||||
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 | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SSW 7 | SSW 7 | S 7 | SSW 7 | SSW 4 | SSW 4 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | S 6 | SSW 6 | S 6 | S 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | S 5 | SE 7 | SE 7 | SE 7 | |
55 | 43 | 27 | 37 | 19 | 38 | 71 | 129 | 134 | 90 | 76 | 51 | 38 | 28 | 30 | 22 | 12 | 7 | 6 | 3 | 3 | 7 | 8 | 16 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | on | cross-on | on | cross-on | on | on | on | on | on | cross-off | cross-off | cross-off | off | cross-off | off | off | off | off | off | off | cross-off | off | off | |
High Tide | 2:34AM1.27m | 2:36PM1.21m | 2:58AM1.32m | 3:25PM1.31m | 3:22AM1.37m | 4:09PM1.39m | ||||||||||||||||||
Low Tide | 8:42AM0.56m | 8:44PM0.45m | 9:13AM0.39m | 9:23PM0.48m | 9:44AM0.24m | |||||||||||||||||||
 |  |  |  | | |  |  | | | | | | | | |  | |  | | | | | | |
 | — | 4:54 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:24 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | |
Temp °C | 15 | 16 | 17 | 17 | 18 | 20 | 20 | 19 | 19 | 19 | 18 | 17 | 18 | 18 | 17 | 15 | 14 | 13 | 13 | 13 | 15 | 15 | 14 | 14 |
15 | 14 | 13 | 13 | 14 | 15 | 14 | 13 | 13 | 17 | 16 | 14 | 15 | 15 | 13 | 10 | 10 | 8 | 8 | 10 | 12 | 12 | 11 | 10 | |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SSW 7 | S 7 | SE 7 | E 7 | SE 7 | — | — | E 8 | — | S 6 | SSW 6 | S 6 | S 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SE 8 | SE 7 | SE 7 | SE 7 |
 kJ | 55 | 43 | 27 | 2 | 1 | 2 | — | — | 5 | — | 76 | 51 | 38 | 28 | 30 | 22 | 12 | 7 | 6 | 3 | 3 | 7 | 8 | 16 |
Swell 2 Height (m) Direction Period (s) | SE 7 | ESE 7 | SE 7 | — | — | — | — | SE 12 | SE 11 | SE 11 | S 13 | S 13 | E 11 | E 11 | — | — | — | SE 8 | SE 8 | SE 8 | S 5 | S 5 | SE 9 | SE 9 |
| kJ | 8 | 5 | 2 | — | — | — | — | 5 | 5 | 5 | 3 | 3 | 2 | 2 | — | — | — | 3 | 3 | 3 | 2 | 1 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 14 | S 14 | S 14 | SE 12 | S 14 | S 14 | S 13 | SE 11 | — | — | SE 11 | SE 11 | — | — | S 12 | S 12 | SE 5 | SSW 5 | SW 5 | S 5 | S 5 |
| kJ | — | — | — | 4 | 4 | 4 | 5 | 4 | 4 | 4 | 5 | — | — | 5 | 5 | — | — | 3 | 3 | 1 | 3 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | SSW 2 | SSW 7 | SSW 4 | SSW 4 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | — | — | — | — | E 3 | E 3 | ENE 3 | ENE 3 | NE 3 | ENE 3 | E 5 | — | — | — |
| kJ | — | — | 1 | 37 | 19 | 38 | 71 | 129 | 134 | 90 | — | — | — | — | 4 | 5 | 3 | 2 | 2 | 1 | 2 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 8 | 11 | 72 | 72 | 72 | 2808 | 799 | 489 | 229 | 20 | 0 | 12 | 27 | 27 | 55 | 1042 | 858 | 858 | 1042 | 1042 | 237 | 1504 | 144 | 574 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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