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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 am Sunday 24 May 2026 JSTForecast update in hr min s Forecast update imminent
Katahama surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Katahama sea temperature is
20.2° C
(Which is 1.4°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 7AM is: 1.7m 7s primary swell from a East-southeast direction and 1.1m 6s secondary swell from a Southeast direction, 0.1m 12s secondary swell from a Southeast direction (forecast issued at 02:00am May 24). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 May) | 5ft (1.6m) | 7s |
| Afternoon (24 May) | 5ft (1.6m) | 7s |
| Evening (24 May) | 5ft (1.5m) | 7s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 23°C on Mon afternoon, min 18°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 24 | Monday 25 | Tuesday 26 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
E 6 | E 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | E 8 | ESE 8 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | |
357 | 165 | 261 | 239 | 255 | 244 | 222 | 228 | 385 | 407 | 215 | 280 | 280 | 196 | 168 | 168 | 163 | 137 | 133 | 137 | 140 | 167 | 163 | 163 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross | on | cross-on | on | cross-on | cross | glassy | glassy | cross | cross-on | on | on | cross-on | |
High Tide | 11:45PM1.37m | 11:03AM1.10m | 00:47AM1.40m | 1:05PM1.11m | 1:36AM1.43m | 2:28PM1.19m | ||||||||||||||||||
Low Tide | 6:08AM0.87m | 5:34PM0.58m | 7:26AM0.74m | 6:49PM0.67m | 8:23AM0.59m | 7:54PM0.75m | ||||||||||||||||||
 | |  | | |  | |  |  | | | | | | | | | | | |  | | | | |
 | — | 4:39 | — | — | — | — | — | — | — | 4:37 | — | — | — | — | — | — | — | 4:37 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:50 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 17 | 17 | 19 | 21 | 21 | 21 | 20 | 19 | 18 | 18 | 21 | 22 | 23 | 22 | 22 | 20 | 20 | 20 | 21 | 22 | 22 | 22 | 21 |
12 | 13 | 13 | 16 | 19 | 20 | 20 | 19 | 18 | 17 | 17 | 20 | 21 | 22 | 22 | 22 | 20 | 22 | 22 | 22 | 21 | 21 | 22 | 21 | |
Swell 1 Height (m) Direction Period (s) | SW 7 | SE 7 | SE 6 | SE 12 | E 12 | SE 7 | E 10 | E 9 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | S 8 | S 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SSE 6 | SSE 6 | S 6 | S 6 |
 kJ | 2 | 131 | 94 | 6 | 3 | 125 | 47 | 43 | 214 | 226 | 215 | 207 | 196 | 31 | 26 | 168 | 163 | 137 | 133 | 137 | 13 | 13 | 7 | 7 |
Swell 2 Height (m) Direction Period (s) | — | SW 7 | SE 12 | E 12 | W 6 | — | — | — | E 9 | ENE 10 | ENE 11 | E 10 | SSW 8 | ENE 11 | ENE 11 | S 7 | SSW 7 | ENE 11 | ENE 11 | S 7 | ENE 11 | ENE 10 | ENE 10 | ENE 10 |
| kJ | — | 2 | 6 | 3 | 1 | — | — | — | 40 | 37 | 37 | 19 | 27 | 24 | 43 | 23 | 16 | 43 | 40 | 14 | 23 | 22 | 20 | 20 |
Swell 3 Height (m) Direction Period (s) | — | E 12 | — | — | — | — | — | — | — | — | SW 9 | SSW 9 | ENE 11 | SW 8 | SW 8 | ENE 12 | ENE 12 | SSE 7 | SSE 7 | ENE 11 | SE 15 | SE 15 | SE 15 | SE 15 |
| kJ | — | 3 | — | — | — | — | — | — | — | — | 3 | 15 | 22 | 10 | 9 | 46 | 46 | 9 | 9 | 38 | 9 | 9 | 9 | 8 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | E 8 | NE 3 | E 8 | E 8 | ESE 8 | ESE 8 | — | — | — | — | — | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
| kJ | 357 | 165 | 261 | 239 | 255 | 244 | 222 | 228 | 385 | 407 | 2 | 280 | 280 | 196 | 168 | — | — | — | — | — | 140 | 167 | 163 | 163 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 415 | 150 | 150 | 13 | 145 | 132 | 103 | 85 | 13 | 2 | 2 | 13 | 13 | 13 | 104 | 103 | 13 | 2 | 2 | 2 | 13 | 85 | 104 | 104 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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