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Surf Forecasts:
Nagahama surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 pm Sunday 31 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
20.8° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Nagahama today (31 May):
- Afternoon surf: Afternoon surf (31 May, local time) - 1.5ft (0.5m), 13s period with S swell.
- Evening surf: Evening surf (31 May, local time) - 2ft (0.6m), 12s period with S swell.
The current surf forecast for Nagahama at 6PM is: 0.6m 12s primary swell from a South direction and 0.1m 12s secondary swell from a Southeast direction, 0.7m 4s secondary swell from a South-southwest direction (forecast issued at 02:00pm May 31). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | - | - |
| Afternoon (31 May) | 1.5ft (0.5m) | 13s |
| Evening (31 May) | 2ft (0.6m) | 12s |
Table - waves today at Nagahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 61mm), heaviest during Wed morning. Warm (max 24°C on Sun afternoon, min 19°C on Tue night). Winds increasing (light winds from the SW on Sun night, strong winds from the ENE by Wed morning). | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 13 | S 13 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 10 | S 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 13 | SSW 12 | SSW 12 | SW 12 | SSW 12 | SSW 12 | SSE 7 | |
31 | 81 | 108 | 100 | 98 | 123 | 119 | 86 | 85 | 194 | 163 | 168 | 238 | 225 | 238 | 189 | 164 | 261 | 121 | 175 | 149 | 129 | 136 | 191 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | |
High Tide | 5:33PM1.42m | 4:02AM1.50m | 6:14PM1.42m | 4:35AM1.50m | 6:55PM1.40m | 5:10AM1.49m | ||||||||||||||||||
Low Tide | 10:33AM-0.00m | 10:40PM0.88m | 11:10AM-0.05m | 11:16PM0.91m | 11:48AM-0.05m | 11:52PM0.94m | ||||||||||||||||||
 |  |  |  | | | | | | | | |  | | | | | | | | |  |  |  | |
 | — | — | — | — | — | 4:28 | — | — | — | — | — | — | — | 4:28 | — | — | — | — | — | — | — | 4:28 | — | — |
 | — | — | 6:49 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | 6:51 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 8 | 16 | |
Temp °C | 24 | 24 | 23 | 22 | 20 | 20 | 20 | 21 | 21 | 20 | 21 | 21 | 21 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 19 | 19 | 19 |
25 | 22 | 19 | 18 | 17 | 19 | 21 | 21 | 20 | 16 | 17 | 17 | 18 | 17 | 20 | 20 | 20 | 19 | 20 | 19 | 19 | 19 | 18 | 15 | |
Swell 1 Height (m) Direction Period (s) | SSE 6 | S 13 | S 12 | S 12 | S 12 | SSW 6 | S 6 | S 11 | S 11 | SSW 14 | S 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 13 | SSW 12 | SSW 12 | SW 12 | SSW 12 | SSW 12 | SSW 12 |
 kJ | 6 | 81 | 108 | 100 | 98 | 54 | 31 | 86 | 85 | 145 | 163 | 168 | 238 | 225 | 238 | 189 | 164 | 261 | 121 | 175 | 149 | 129 | 136 | 56 |
Swell 2 Height (m) Direction Period (s) | S 13 | SE 12 | SE 12 | SSW 14 | SE 12 | S 11 | S 11 | S 6 | SSW 16 | SE 11 | SSW 15 | SSW 15 | SSW 18 | SW 16 | SW 16 | SSW 14 | SW 14 | SE 11 | SW 14 | SE 11 | SE 11 | SSE 6 | SE 11 | SW 15 |
| kJ | 31 | 6 | 6 | 39 | 5 | 123 | 119 | 22 | 53 | 5 | 89 | 87 | 31 | 69 | 64 | 140 | 102 | 5 | 89 | 5 | 5 | 25 | 5 | 34 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | SE 12 | ESE 10 | SE 12 | ESE 10 | S 18 | SSW 17 | SSW 14 | SSW 14 | ESE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | S 15 | SE 11 | SW 18 | S 14 | SE 11 | S 13 | SE 11 |
| kJ | 22 | 23 | 19 | 6 | 9 | 6 | 29 | 39 | 36 | 18 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 5 | 12 | 4 | 5 | 4 | 5 |
Wind waves Height (m) Direction Period (s) | — | S 6 | SSW 4 | SSW 5 | SSW 6 | — | SSW 6 | — | S 5 | S 10 | S 4 | S 4 | SSW 4 | SSW 4 | — | — | S 3 | S 4 | S 4 | S 5 | S 6 | SSE 6 | SSE 6 | SSE 7 |
| kJ | — | 6 | 13 | 56 | 84 | — | 55 | — | 19 | 194 | 24 | 16 | 11 | 4 | — | — | 4 | 13 | 16 | 17 | 22 | 40 | 43 | 191 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 8 | 72 | 73 | 519 | 34 | 20 | 11 | 11 | 74 | 492 | 87 | 42 | 42 | 34 | 24 | 55 | 55 | 55 | 72 | 72 | 24 | 34 | 795 | 795 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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