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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 am Friday 08 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
18.3° C
(Which is 1.9°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 11AM is: 0.7m 10s primary swell from a East-southeast direction and 0.9m 6s secondary swell from a South-southeast direction, 0.4m 3s secondary swell from a Southwest direction (forecast issued at 08:00am May 08). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 May) | 2.5ft (0.7m) | 10s |
| Afternoon (08 May) | 2.5ft (0.7m) | 10s |
| Evening (08 May) | 2ft (0.6m) | 10s |
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 22°C on Fri morning, min 13°C on Fri night). Mainly strong winds. | ||||||||||||||||||||||||
Friday 8 | Saturday 9 | Sunday 10 | Mon 11 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | ESE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | |
90 | 90 | 92 | 92 | 94 | 73 | 75 | 75 | 55 | 68 | 51 | 51 | 54 | 55 | 75 | 72 | 68 | 67 | 65 | 63 | 59 | 56 | 75 | 55 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | glassy | cross | off | off | cross-off | cross-off | cross | on | on | on | cross-on | cross | cross-off | |
High Tide | 8:30AM1.23m | 11:48PM1.29m | 10:06AM1.10m | 1:02AM1.33m | 12:32PM1.07m | 1:51AM1.38m | ||||||||||||||||||
Low Tide | 3:47AM1.00m | 4:06PM0.40m | 5:46AM0.96m | 5:26PM0.50m | 7:25AM0.83m | 6:47PM0.57m | ||||||||||||||||||
 |  | | | |  | |  | | |  | | |  | | | | | | | | | | | |
 | 4:50 | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:48 | — | — | — | — | — | — | — | 4:48 |
 | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | 6:38 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 20 | 22 | 22 | 22 | 19 | 16 | 15 | 13 | 17 | 21 | 21 | 19 | 18 | 16 | 15 | 15 | 17 | 19 | 19 | 18 | 18 | 17 | 16 |
20 | 21 | 21 | 19 | 17 | 12 | 6 | 5 | 4 | 11 | 18 | 20 | 17 | 15 | 13 | 13 | 13 | 14 | 16 | 16 | 16 | 17 | 16 | 14 | |
Swell 1 Height (m) Direction Period (s) | S 6 | SSE 6 | SSE 6 | ESE 10 | ESE 10 | SSW 7 | S 7 | SSW 7 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | WSW 6 | ESE 11 | ESE 10 | W 5 | W 5 | ESE 10 | ESE 10 | E 5 | ESE 9 | ESE 9 | E 7 |
 kJ | 47 | 64 | 68 | 92 | 94 | 158 | 97 | 37 | 55 | 68 | 51 | 51 | 54 | 33 | 75 | 72 | 31 | 16 | 65 | 63 | 15 | 56 | 75 | 32 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | — | — | ESE 10 | ESE 11 | ESE 11 | SSE 8 | — | S 7 | S 7 | S 7 | SE 11 | S 7 | S 6 | ESE 10 | ESE 10 | W 5 | W 4 | ESE 9 | E 5 | E 5 | ESE 9 |
| kJ | 90 | 90 | 92 | — | — | 73 | 75 | 75 | 6 | — | 4 | 4 | 4 | 55 | 4 | 1 | 68 | 67 | 7 | 1 | 59 | 20 | 13 | 55 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | ESE 11 | — | — | — | — | — | — | S 7 | S 7 | E 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | SW 6 | SE 11 |
| kJ | — | — | — | — | — | — | 75 | — | — | — | — | — | — | 4 | 4 | 1 | 1 | 1 | 3 | 3 | 2 | 1 | 1 | 19 |
Wind waves Height (m) Direction Period (s) | — | — | SW 3 | S 6 | SSW 6 | WNW 5 | W 6 | WNW 6 | W 6 | W 6 | W 6 | W 6 | W 6 | WNW 5 | W 6 | W 5 | — | — | E 4 | E 4 | E 5 | — | E 5 | — |
| kJ | — | — | 2 | 119 | 165 | 54 | 312 | 440 | 339 | 333 | 219 | 237 | 169 | 69 | 89 | 43 | — | — | 12 | 18 | 21 | — | 13 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 6 | 94 | 352 | 351 | 369 | 103 | 103 | 103 | 150 | 6 | 6 | 6 | 6 | 6 | 6 | 13 | 13 | 13 | 208 | 104 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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