Surf Forecasts:
How big are the waves at Katahama today (17 Jun):
- Morning surf: Morning surf (17 Jun, local time) - 1.5ft (0.5m), 8s period with E swell.
- Afternoon surf: Afternoon surf (17 Jun, local time) - 2.5ft (0.7m), 6s period with SSE swell.
- Evening surf: Evening surf (17 Jun, local time) - 4.5ft (1.3m), 8s period with S swell.
The current surf forecast for Katahama at 12PM is: 0.4m 8s primary swell from a East direction and 0.4m 4s secondary swell from a South-southeast direction (forecast issued at 08:00am June 17). An open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jun) | 1.5ft (0.5m) | 8s |
| Afternoon (17 Jun) | 2.5ft (0.7m) | 6s |
| Evening (17 Jun) | 4.5ft (1.3m) | 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 17mm), heaviest on Wed night. Warm (max 25°C on Thu afternoon, min 19°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | E 8 | E 8 | E 8 | SSE 6 | E 9 | S 8 | SE 6 | E 9 | SSE 6 | SE 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 10 | ESE 10 | SE 10 | SE 10 | SE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 52 | 37 | 23 | 39 | 24 | 207 | 50 | 14 | 31 | 40 | 39 | 65 | 60 | 42 | 47 | 41 | 30 | 26 | 18 | 16 | 39 | 25 | 15 | 15 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | on | on | on | cross-on | cross | cross | cross | cross | on | cross-on | cross | cross-off | cross-off | glassy | glassy | cross-on | cross-on | cross | cross | glassy | glassy | glassy |
High Tide | 5:36AM1.61m | 7:32PM1.53m | 6:19AM1.57m | 8:11PM1.54m | 7:06AM1.51m | 8:52PM1.54m | ||||||||||||||||||
Low Tide | 12:42PM0.11m | 00:58AM0.97m | 1:20PM0.17m | 1:49AM0.93m | 2:02PM0.26m | 2:47AM0.90m | ||||||||||||||||||
 |  | |  |  |  |  | | | | | | |  | | | | | | | | | | | |
 | 4:33 | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 |
 | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | 7:02 |
mm | — | — | — | — | 1 | 4 | 9 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 21 | 22 | 21 | 20 | 20 | 19 | 19 | 20 | 23 | 24 | 25 | 23 | 22 | 22 | 21 | 21 | 23 | 24 | 25 | 25 | 24 | 23 | 22 |
Feels °C | 22 | 21 | 22 | 21 | 20 | 20 | 18 | 18 | 19 | 23 | 26 | 26 | 24 | 24 | 25 | 24 | 24 | 25 | 26 | 26 | 27 | 28 | 27 | 25 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | SSW 7 | SW 9 | S 8 | S 8 | SSW 8 | SSW 8 | SW 8 | SW 8 | SW 7 | SW 7 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 |
| kJ | 52 | 37 | 18 | 28 | 169 | 207 | 158 | 392 | 241 | 160 | 102 | 94 | 225 | 205 | 169 | 145 | 104 | 82 | 132 | 171 | 145 | 117 | 110 | 107 |
Swell 2 Height (m) Direction Period (s) | SSW 7 | SSW 7 | E 8 | E 8 | E 9 | SE 10 | SE 6 | E 9 | SSE 6 | E 9 | E 8 | ESE 10 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 5 | ESE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 27 | 19 | 23 | 23 | 24 | 4 | 50 | 14 | 31 | 13 | 6 | 10 | 60 | 42 | 47 | 41 | 30 | 26 | 18 | 11 | 39 | 25 | 15 | 15 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SSE 4 | SE 9 | SE 10 | SE 11 | SE 12 | E 9 | SSE 10 | E 9 | SE 10 | SE 8 | E 8 | E 8 | ESE 8 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SE 10 | SSE 5 | SSE 5 | E 9 | E 9 |
| kJ | 3 | 6 | 3 | 4 | 4 | 6 | 14 | 10 | 14 | 16 | 2 | 5 | 6 | 23 | 11 | 11 | 11 | 10 | 10 | 16 | 5 | 5 | 13 | 13 |
Wind waves Height (m) Direction Period (s) | — | — | SSE 4 | SSE 6 | SE 6 | E 9 | — | NE 3 | NE 3 | SE 6 | SE 6 | SSE 6 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 8 | 39 | 1 | 23 | — | 3 | 5 | 40 | 39 | 65 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 208 | 208 | 208 | 208 | 208 | 13 | 104 | 13 | 13 | 6 | 6 | 6 | 2 | 2 | 2 | 2 | 13 | 65 | 65 | 6 | 2 | 2 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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