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) - 1.5ft (0.4m), 9s period with E swell.
The current surf forecast for Katahama at 7AM is: 0.6m 8s primary swell from a East direction (forecast issued at 02:00am June 17). An open ocean swell of 0.5m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| 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) | 1.5ft (0.4m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 30mm), heaviest during Wed night. Warm (max 25°C on Fri afternoon, min 19°C on Wed afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | SSE 6 | E 9 | E 9 | SE 6 | E 9 | SE 6 | SSE 6 | ESE 6 | SE 6 | SE 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 10 | SE 10 | SE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 71 | 69 | 52 | 37 | 23 | 39 | 24 | 23 | 60 | 13 | 33 | 37 | 55 | 46 | 62 | 68 | 71 | 52 | 44 | 32 | 22 | 16 | 25 | 16 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-off | cross-on | on | on | on | cross-on | cross-off | cross | cross | cross-on | cross-on | on | on | glassy | cross-off | glassy | glassy | cross-on | cross-on | cross-on | cross-on | glassy |
High Tide | 5:36AM1.61m | 7:32PM1.53m | 6:19AM1.57m | 8:11PM1.54m | 7:06AM1.51m | 8:52PM1.54m | ||||||||||||||||||
Low Tide | 00:14AM1.00m | 12:42PM0.11m | 00:58AM0.97m | 1:20PM0.17m | 1:49AM0.93m | 2:02PM0.26m | ||||||||||||||||||
 |  |  |  | |  |  |  |  |  |  | | | | | | | | | | | | | | |
 | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — |
mm | — | — | — | — | — | — | 5 | 13 | 7 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 19 | 21 | 21 | 21 | 19 | 19 | 19 | 19 | 20 | 21 | 22 | 23 | 23 | 22 | 22 | 21 | 21 | 23 | 23 | 25 | 24 | 23 |
Feels °C | 22 | 22 | 20 | 21 | 20 | 20 | 19 | 18 | 18 | 19 | 20 | 22 | 24 | 25 | 26 | 26 | 25 | 24 | 24 | 26 | 25 | 27 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | SSW 7 | SW 9 | S 8 | S 8 | SSW 8 | SSW 8 | SW 8 | SW 8 | SW 7 | SW 10 | SW 10 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 |
| kJ | 71 | 69 | 52 | 37 | 18 | 28 | 140 | 213 | 154 | 412 | 314 | 160 | 86 | 226 | 369 | 257 | 220 | 153 | 93 | 90 | 69 | 109 | 123 | 101 |
Swell 2 Height (m) Direction Period (s) | SSW 7 | SSW 7 | SSW 7 | SSW 7 | E 8 | E 8 | E 9 | SE 10 | SE 6 | E 9 | SE 6 | SSE 6 | E 9 | SW 7 | SE 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 5 | SSE 5 |
| kJ | 27 | 19 | 27 | 27 | 23 | 23 | 24 | 4 | 60 | 13 | 33 | 37 | 15 | 44 | 62 | 68 | 71 | 52 | 44 | 32 | 22 | 12 | 11 | 11 |
Swell 3 Height (m) Direction Period (s) | E 13 | S 6 | SE 9 | SSE 5 | SE 9 | SE 10 | SE 11 | E 12 | E 9 | SE 12 | E 8 | SSE 10 | SW 12 | SE 7 | SE 11 | E 10 | SE 11 | E 10 | SSE 11 | SSE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 3 | 14 | 6 | 13 | 10 | 23 | 8 | 18 | 8 | 5 | 8 | 11 | 11 | 16 | 16 | 25 | 16 |
Wind waves Height (m) Direction Period (s) | — | — | — | S 5 | SSE 5 | SSE 6 | SE 6 | E 9 | — | NE 3 | NE 3 | E 3 | ESE 6 | SE 6 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 16 | 9 | 39 | 1 | 23 | — | 5 | 5 | 8 | 55 | 46 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 6 | 6 | 13 | 208 | 208 | 208 | 208 | 208 | 104 | 13 | 13 | 130 | 104 | 13 | 104 | 2 | 2 | 2 | 2 | 6 | 208 | 65 | 65 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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