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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 pm Saturday 16 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
19.1° 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 1AM is: 0.8m 9s primary swell from a East-southeast direction and 0.2m 10s secondary swell from a South-southeast direction (forecast issued at 08:00pm May 16). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 2.5ft (0.7m) | 7s |
| Afternoon (17 May) | 2.5ft (0.8m) | 9s |
| Evening (17 May) | 3ft (0.9m) | 9s |
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 Sun morning, min 17°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tuesday 19 | |||||||||||||||||||||
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 9 | ESE 8 | ESE 9 | ESE 9 | ESE 7 | ESE 7 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | SE 11 | SE 11 | |
88 | 78 | 88 | 86 | 34 | 48 | 90 | 90 | 92 | 111 | 106 | 137 | 131 | 127 | 103 | 103 | 99 | 79 | 111 | 72 | 72 | 69 | 73 | 94 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | glassy | glassy | off | glassy | glassy | cross-on | cross-on | cross-on | glassy | cross-off | glassy | glassy | cross-on | cross-on | cross-on | cross | glassy | glassy | off | glassy | cross-on | cross-on | cross-on | |
High Tide | 5:45PM1.44m | 4:43AM1.59m | 6:21PM1.45m | 5:14AM1.60m | 6:59PM1.44m | 5:47AM1.59m | ||||||||||||||||||
Low Tide | 11:04PM0.84m | 11:40AM0.06m | 11:35PM0.87m | 12:14PM0.05m | 00:11AM0.90m | 12:51PM0.07m | ||||||||||||||||||
 |  |  |  |  | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | 4:43 | — | — | — | — | — | — | — | 4:41 | — | — | — | — | — | — | — | 4:41 | — | — | — | — |
 | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | 6:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 19 | 18 | 18 | 17 | 20 | 22 | 22 | 22 | 21 | 20 | 19 | 19 | 21 | 22 | 22 | 22 | 21 | 20 | 19 | 18 | 21 | 21 | 22 |
18 | 20 | 18 | 17 | 17 | 20 | 21 | 20 | 21 | 21 | 19 | 19 | 19 | 20 | 20 | 20 | 21 | 21 | 21 | 19 | 19 | 21 | 20 | 21 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 8 | ESE 9 | ESE 9 | ESE 7 | ESE 7 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | E 9 | SE 11 |
 kJ | 88 | 78 | 88 | 86 | 34 | 48 | 90 | 90 | 92 | 111 | 106 | 137 | 131 | 127 | 103 | 103 | 99 | 79 | 111 | 72 | 72 | 69 | 57 | 94 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 9 | SSE 10 | SSE 10 | ESE 10 | ESE 9 | SE 11 | SE 11 | SE 11 | W 6 | SE 12 | SE 12 | S 7 | S 7 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SE 11 | SE 10 | SE 10 | SE 11 | SE 11 | E 9 |
| kJ | 16 | 7 | 10 | 10 | 30 | 29 | 18 | 20 | 5 | 1 | 6 | 6 | 1 | 4 | 6 | 5 | 5 | 10 | 19 | 27 | 38 | 40 | 73 | 60 |
Swell 3 Height (m) Direction Period (s) | SE 11 | SSE 10 | SE 14 | SE 14 | SSE 10 | SE 11 | SE 14 | — | — | — | W 6 | SE 7 | — | — | SE 12 | SE 12 | SE 11 | SE 10 | — | — | — | — | — | — |
| kJ | 18 | 10 | 7 | 7 | 10 | 18 | 7 | — | — | — | 1 | 2 | — | — | 5 | 5 | 19 | 16 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 65 | 6 | 6 | 6 | 6 | 6 | 94 | 105 | 6 | 6 | 13 | 6 | 6 | 104 | 208 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 65 | 6 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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