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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 am Sunday 26 Apr 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
18.1° C
(Which is 1.2°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 10AM is: 1.3m 6s primary swell from a East-southeast direction and 0.1m 13s secondary swell from a Southeast direction, 0.1m 11s secondary swell from a Southeast direction (forecast issued at 02:00am April 26). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Apr) | 4.5ft (1.3m) | 6s |
| Afternoon (26 Apr) | 4ft (1.2m) | 6s |
| Evening (26 Apr) | 3.5ft (1.1m) | 6s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 20mm), heaviest during Sun night. Warm (max 20°C on Tue afternoon, min 13°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 26 | Monday 27 | Tuesday 28 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
ESE 6 | ESE 7 | ESE 7 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | E 6 | ESE 6 | SE 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | E 7 | ESE 7 | E 7 | E 7 | E 8 | ESE 8 | SW 6 | SW 6 | |
176 | 158 | 137 | 133 | 129 | 107 | 114 | 90 | 119 | 141 | 103 | 109 | 83 | 64 | 53 | 77 | 37 | 52 | 38 | 27 | 29 | 19 | 37 | 29 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | glassy | cross-off | cross-on | cross-on | cross-on | on | on | cross-on | cross | cross | cross-off | cross-off | |
High Tide | 2:08AM1.32m | 1:41PM1.10m | 2:45AM1.38m | 2:50PM1.20m | 3:14AM1.42m | 3:39PM1.29m | ||||||||||||||||||
Low Tide | 8:29AM0.78m | 7:56PM0.51m | 9:10AM0.63m | 8:52PM0.53m | 9:43AM0.49m | |||||||||||||||||||
 | |  |  | |  | |  | |  |  |  | | | |  | | | | | | | | | |
 | — | 5:03 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — |
— | — | — | — | — | — | — | — | — | 5 | 11 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 14 | 14 | 16 | 17 | 17 | 17 | 17 | 16 | 13 | 13 | 15 | 15 | 17 | 17 | 16 | 16 | 16 | 17 | 17 | 19 | 20 | 19 | 18 |
13 | 11 | 11 | 13 | 14 | 13 | 14 | 14 | 12 | 8 | 9 | 13 | 15 | 16 | 17 | 15 | 13 | 15 | 17 | 17 | 17 | 16 | 16 | 17 | |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SW 7 | SW 7 | SE 13 | SE 11 | SW 6 | SW 6 | SW 6 | SE 13 | SE 13 | ESE 6 | SE 6 | SSW 6 | SSW 7 | SW 7 | SW 7 | SW 7 | SSW 7 | SSW 7 | SSW 6 | E 8 | ESE 8 | ESE 8 | ESE 8 |
 kJ | 5 | 2 | 2 | 7 | 5 | 2 | 2 | 2 | 7 | 6 | 103 | 109 | 82 | 125 | 179 | 158 | 109 | 96 | 70 | 52 | 29 | 19 | 19 | 19 |
Swell 2 Height (m) Direction Period (s) | SW 8 | SW 7 | SE 13 | SE 11 | SE 13 | SE 13 | SE 13 | SE 13 | SW 7 | SW 7 | SE 13 | SE 12 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | E 7 | ESE 7 | E 7 | E 7 | SE 12 | SE 12 | SE 12 | SE 7 |
| kJ | 2 | 2 | 7 | 5 | 7 | 7 | 7 | 7 | 2 | 2 | 6 | 6 | 83 | 64 | 53 | 49 | 37 | 52 | 38 | 27 | 6 | 6 | 5 | 2 |
Swell 3 Height (m) Direction Period (s) | SE 14 | E 14 | E 15 | SE 11 | SE 13 | SE 11 | SE 11 | — | SW 7 | — | SW 7 | SE 12 | SE 12 | SE 12 | SE 12 | SSE 6 | W 4 | WNW 4 | W 4 | — | S 14 | S 14 | S 7 | SE 12 |
| kJ | 7 | 4 | 5 | 5 | 7 | 5 | 5 | — | 2 | — | 2 | 6 | 6 | 6 | 6 | 11 | 10 | 3 | 1 | — | 4 | 4 | 1 | 5 |
Wind waves Height (m) Direction Period (s) | ESE 6 | ESE 7 | ESE 7 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | E 6 | NE 4 | NE 4 | NE 4 | N 4 | WNW 4 | ESE 7 | ESE 4 | — | — | — | SW 6 | SW 6 | SW 6 | SW 6 |
| kJ | 176 | 158 | 137 | 133 | 129 | 107 | 114 | 90 | 119 | 141 | 21 | 16 | 10 | 3 | 29 | 77 | 10 | — | — | — | 39 | 38 | 37 | 29 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 104 | 104 | 13 | 208 | 145 | 208 | 150 | 13 | 150 | 150 | 351 | 66 | 2 | 2 | 6 | 13 | 94 | 94 | 94 | 65 | 208 | 211 | 664 | 1925 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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