Surf Forecasts:
How big are the waves at Katahama today (17 Jun):
- Afternoon surf: Afternoon surf (17 Jun, local time) - 1.5ft (0.4m), 8s period with E swell.
- Evening surf: Evening surf (17 Jun, local time) - 2.5ft (0.8m), 5s period with SSE swell.
The current surf forecast for Katahama at 9PM is: 0.8m 5s primary swell from a South-southeast direction and 0.8m 4s secondary swell from a East-northeast direction (forecast issued at 02:00pm June 17). An open ocean swell of 0.9m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jun) | - | - |
| Afternoon (17 Jun) | 1.5ft (0.4m) | 8s |
| Evening (17 Jun) | 2.5ft (0.8m) | 5s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 18mm), heaviest on Wed night. Warm (max 25°C on Fri afternoon, min 19°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
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 | 6 AM | 9 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | E 8 | E 8 | SSE 8 | SSE 5 | E 9 | ESE 12 | E 9 | E 9 | SE 6 | SSE 6 | SSE 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 23 | 23 | 207 | 33 | 14 | 14 | 14 | 14 | 51 | 61 | 74 | 59 | 51 | 42 | 31 | 26 | 10 | 16 | 25 | 16 | 25 | 24 | 24 | 24 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-off | glassy | glassy | glassy | cross-on | cross-on | cross | cross | glassy | glassy | cross | cross | cross |
High Tide | 7:32PM1.53m | 6:19AM1.57m | 8:11PM1.54m | 7:06AM1.51m | 8:52PM1.54m | 7:58AM1.41m | ||||||||||||||||||
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 | — | — |
 | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | 7:02 |
mm | — | — | 1 | 2 | 6 | 7 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 21 | 21 | 20 | 19 | 19 | 19 | 22 | 24 | 24 | 23 | 22 | 22 | 21 | 21 | 23 | 24 | 25 | 25 | 24 | 23 | 22 | 23 | 24 |
Feels °C | 22 | 20 | 20 | 19 | 17 | 18 | 18 | 22 | 25 | 25 | 23 | 24 | 25 | 24 | 24 | 26 | 26 | 27 | 27 | 28 | 27 | 25 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SW 9 | SE 10 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SW 7 | SW 7 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SSW 8 | SSE 6 | SE 10 | SW 7 | SSW 8 | SW 7 | SW 7 | SSW 7 |
| kJ | 18 | 28 | 4 | 112 | 345 | 520 | 336 | 203 | 91 | 63 | 281 | 300 | 191 | 145 | 120 | 120 | 166 | 10 | 25 | 140 | 193 | 193 | 158 | 163 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | SE 12 | SSE 5 | E 9 | E 8 | E 9 | E 9 | SE 6 | SW 9 | SSE 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 10 | SE 10 | SSE 5 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 23 | 23 | 6 | 33 | 14 | 13 | 14 | 14 | 51 | 67 | 74 | 59 | 51 | 42 | 31 | 26 | 10 | 16 | 5 | 16 | 25 | 24 | 24 | 24 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SSW 6 | SE 18 | SE 10 | SE 10 | ESE 12 | SE 10 | SE 10 | E 8 | E 8 | ESE 10 | ESE 10 | SE 10 | SSE 11 | SSE 11 | SSE 10 | E 8 | E 8 | SE 14 | ESE 8 | E 9 | SE 13 | SE 13 | SE 13 |
| kJ | 3 | 8 | 12 | 4 | 4 | 14 | 4 | 4 | 12 | 5 | 20 | 21 | 17 | 11 | 11 | 10 | 4 | 12 | 7 | 14 | 1 | 7 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | SE 4 | SE 4 | SSE 8 | ENE 4 | SSW 8 | — | — | ENE 3 | E 10 | SSE 6 | — | — | — | — | — | — | — | SW 8 | SW 8 | — | — | — | — | E 9 |
| kJ | 9 | 18 | 207 | 20 | 636 | — | — | 3 | 90 | 61 | — | — | — | — | — | — | — | 159 | 147 | — | — | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 208 | 208 | 208 | 208 | 103 | 13 | 94 | 13 | 13 | 6 | 65 | 2 | 2 | 2 | 2 | 13 | 104 | 65 | 65 | 2 | 2 | 13 | 150 | 150 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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