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Surf Forecasts:
Nagahama surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 am Thursday 28 May 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
20.7° C
(Which is slightly cooler than normal)How big are the waves at Nagahama today (28 May):
- Morning surf: Morning surf (28 May, local time) - 1.5ft (0.4m), 3s period with S swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 1.5ft (0.4m), 4s period with SSE swell.
- Evening surf: Evening surf (28 May, local time) - 2.5ft (0.7m), 6s period with S swell.
The current surf forecast for Nagahama at 9AM is: 0.1m 10s primary swell from a Southeast direction and 0.4m 3s secondary swell from a South direction (forecast issued at 02:00am May 28). An open ocean swell of 0.2m 10s is not directed at the surf break, a second open ocean swell of 0.1m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 1.5ft (0.4m) | 3s |
| Afternoon (28 May) | 1.5ft (0.4m) | 4s |
| Evening (28 May) | 2.5ft (0.7m) | 6s |
Table - waves today at Nagahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Fri night. Warm (max 25°C on Fri afternoon, min 19°C on Fri night). Winds decreasing (fresh winds from the ESE on Fri afternoon, calm by Sat night). | ||||||||||||||||||||||||
Thursday 28 | Friday 29 | Saturday 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 |    |    |    | |||||||||||||||||||||
SE 8 | SE 10 | SE 10 | S 3 | S 4 | SSE 4 | S 5 | S 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | S 7 | S 7 | S 7 | S 7 | S 7 | SW 7 | SE 6 | S 7 | SSE 7 | SSE 6 | SSE 6 | SSE 6 | |
10 | 15 | 15 | 4 | 4 | 6 | 16 | 36 | 132 | 177 | 79 | 82 | 62 | 62 | 66 | 63 | 35 | 16 | 11 | 23 | 15 | 8 | 8 | 13 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | on | on | on | glassy | glassy | cross-off | cross-off | off | off | off | off | glassy | on | cross-on | cross-on | cross-on | |
High Tide | 1:56AM1.33m | 3:18PM1.27m | 2:27AM1.38m | 4:06PM1.34m | 2:59AM1.43m | 4:51PM1.39m | ||||||||||||||||||
Low Tide | 8:41AM0.34m | 8:44PM0.74m | 9:19AM0.20m | 9:26PM0.79m | 9:56AM0.08m | |||||||||||||||||||
 | |  |  | | | |  | | | |  | | | | |  | | | | | | | | |
 | — | 4:30 | — | — | — | — | — | — | — | 4:28 | — | — | — | — | — | — | — | 4:28 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | |
Temp °C | 22 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 25 | 23 | 22 | 20 | 19 | 19 | 20 | 21 | 22 | 22 | 22 |
21 | 19 | 20 | 21 | 22 | 22 | 23 | 22 | 23 | 24 | 24 | 26 | 26 | 28 | 20 | 21 | 18 | 18 | 17 | 19 | 18 | 19 | 20 | 21 | |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 10 | SE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 10 | SE 10 | S 7 | S 7 | SSW 7 | SSW 7 | S 7 | S 7 | S 7 | S 7 | S 7 | SSE 6 | SE 6 | S 7 | SSE 7 | SSE 6 | SSE 6 | SSE 6 |
 kJ | 10 | 15 | 15 | 9 | 8 | 8 | 9 | 4 | 59 | 79 | 79 | 82 | 62 | 62 | 66 | 63 | 35 | 16 | 11 | 23 | 15 | 8 | 8 | 13 |
Swell 2 Height (m) Direction Period (s) | SE 10 | E 13 | E 13 | E 13 | SE 10 | E 13 | E 13 | SE 8 | SE 10 | E 8 | E 8 | ESE 12 | ESE 12 | ESE 12 | SE 12 | SE 12 | SE 12 | SW 7 | SSW 7 | E 12 | SE 12 | SSW 7 | SSW 7 | SE 12 |
| kJ | 4 | 4 | 3 | 3 | 4 | 3 | 3 | 2 | 4 | 1 | 1 | 14 | 14 | 14 | 6 | 6 | 6 | 12 | 9 | 3 | 5 | 5 | 5 | 6 |
Swell 3 Height (m) Direction Period (s) | E 13 | S 5 | SE 10 | SE 10 | E 13 | S 9 | S 9 | E 13 | SE 8 | SE 12 | E 12 | — | S 15 | S 15 | S 14 | S 14 | S 14 | SE 12 | E 12 | S 13 | S 13 | E 12 | SE 13 | SW 7 |
| kJ | 4 | 1 | 4 | 4 | 3 | 2 | 2 | 3 | 2 | 6 | 3 | — | 4 | 4 | 4 | 4 | 4 | 5 | 3 | 4 | 3 | 3 | 6 | 7 |
Wind waves Height (m) Direction Period (s) | SSW 3 | SSW 3 | SSW 3 | S 3 | S 4 | SSE 4 | S 5 | S 6 | SSW 7 | SSW 7 | — | — | — | — | E 3 | E 3 | — | NE 2 | ENE 3 | — | — | — | S 2 | — |
| kJ | 2 | 3 | 4 | 3 | 3 | 6 | 16 | 36 | 132 | 177 | — | — | — | — | 1 | 6 | — | 1 | 1 | — | — | — | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 74 | 42 | 85 | 55 | 55 | 72 | 72 | 74 | 24 | 22 | 11 | 0 | 8 | 12 | 85 | 0 | 489 | 27 | 39 | 8 | 8 | 55 | 72 | 72 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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