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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 pm Monday 25 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
19.6° C
(Which is 2.2°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 2AM is: 1.1m 8s primary swell from a East-southeast direction (forecast issued at 08:00pm May 25). An open ocean swell of 0.4m 12s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 May) | 3.5ft (1.0m) | 8s |
| Afternoon (26 May) | 3.5ft (1.0m) | 8s |
| Evening (26 May) | 3.5ft (1.0m) | 8s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Thu afternoon. Warm (max 24°C on Tue afternoon, min 19°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | S 5 | |
170 | 170 | 159 | 138 | 133 | 137 | 137 | 125 | 140 | 137 | 144 | 116 | 113 | 133 | 133 | 159 | 133 | 113 | 116 | 94 | 94 | 79 | 79 | 83 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross | glassy | cross-off | cross | cross-on | on | on | cross-on | cross | cross | cross | cross | cross-on | cross-on | on | on | glassy | glassy | glassy | cross-on | cross-on | glassy | |
High Tide | 1:36AM1.43m | 2:28PM1.19m | 2:15AM1.46m | 3:27PM1.27m | 2:48AM1.49m | |||||||||||||||||||
Low Tide | 6:49PM0.67m | 8:23AM0.59m | 7:54PM0.75m | 9:07AM0.46m | 8:49PM0.81m | 9:43AM0.34m | ||||||||||||||||||
 |  | | | | | | | | |  |  |  |  | | | | | | | | |  | | |
 | — | — | — | 4:37 | — | — | — | — | — | — | — | 4:37 | — | — | — | — | — | — | — | 4:37 | — | — | — | — |
 | 6:49 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | 6:51 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | |
Temp °C | 21 | 20 | 20 | 19 | 19 | 21 | 23 | 24 | 23 | 22 | 21 | 21 | 20 | 23 | 24 | 24 | 23 | 22 | 22 | 22 | 22 | 22 | 21 | 20 |
20 | 20 | 21 | 21 | 20 | 21 | 23 | 24 | 23 | 23 | 21 | 21 | 19 | 22 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 23 | 23 | |
Swell 1 Height (m) Direction Period (s) | S 8 | SSW 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ENE 11 | ENE 10 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 14 | ESE 14 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | S 5 |
 kJ | 29 | 17 | 159 | 138 | 133 | 137 | 137 | 125 | 22 | 19 | 144 | 116 | 113 | 133 | 133 | 19 | 19 | 113 | 116 | 94 | 94 | 79 | 79 | 31 |
Swell 2 Height (m) Direction Period (s) | ENE 12 | ENE 12 | ENE 12 | ENE 12 | SSE 7 | S 6 | S 6 | ENE 11 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | ESE 14 | SE 10 | SE 10 | ESE 14 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | SSW 4 | ESE 8 |
| kJ | 44 | 46 | 46 | 44 | 15 | 13 | 12 | 22 | 7 | 6 | 3 | 3 | 2 | 2 | 19 | 4 | 4 | 19 | 18 | 18 | 18 | 17 | 15 | 73 |
Swell 3 Height (m) Direction Period (s) | E 16 | SSE 7 | SE 7 | SSE 7 | ENE 11 | ENE 11 | ENE 11 | S 6 | SE 15 | SE 15 | E 11 | E 10 | SE 14 | SE 14 | S 6 | — | — | S 5 | S 5 | — | SE 10 | SE 10 | ESE 13 | ESE 13 |
| kJ | 5 | 5 | 12 | 9 | 41 | 40 | 23 | 7 | 9 | 8 | 9 | 8 | 8 | 8 | 2 | — | — | 1 | 1 | — | 4 | 4 | 17 | 17 |
Wind waves Height (m) Direction Period (s) | ESE 8 | ESE 8 | — | — | — | — | — | — | ESE 8 | ESE 8 | — | NE 3 | NE 3 | NE 3 | — | ESE 8 | ESE 8 | — | — | SW 3 | SW 3 | SSW 4 | S 5 | S 5 |
| kJ | 170 | 170 | — | — | — | — | — | — | 140 | 137 | — | 2 | 2 | 1 | — | 159 | 133 | — | — | 3 | 6 | 12 | 27 | 83 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 104 | 103 | 2 | 2 | 2 | 13 | 13 | 13 | 85 | 2 | 13 | 13 | 13 | 13 | 13 | 13 | 103 | 13 | 6 | 6 | 6 | 6 | 65 | 65 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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