Surf Forecasts:
How big are the waves at Katahama today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 2.5ft (0.7m), 6s period with SE swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 3.5ft (1.1m), 7s period with SSE swell.
- Evening surf: Evening surf (18 Jun, local time) - 0.5ft (0.2m), 10s period with E swell.
The current surf forecast for Katahama at 5PM is: 0.1m 16s primary swell from a Southeast direction and 0.1m 15s secondary swell from a Southeast direction (forecast issued at 08:00am June 18). An open ocean swell of 0.2m 6s is not directed at the surf break, a second open ocean swell of 2.0m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 2.5ft (0.7m) | 6s |
| Afternoon (18 Jun) | 3.5ft (1.1m) | 7s |
| Evening (18 Jun) | 0.5ft (0.2m) | 10s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 66mm), heaviest during Sat afternoon. Warm (max 25°C on Thu afternoon, min 20°C on Sat afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
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 9 | SE 6 | SE 6 | SSE 7 | SE 15 | E 10 | SE 11 | SSE 11 | SSE 6 | SSE 6 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 14 | 37 | 64 | 107 | 9 | 9 | 18 | 11 | 33 | 27 | 25 | 16 | 16 | 25 | 25 | 15 | 15 | 15 | 24 | 24 | 24 | 24 | 22 | 13 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | cross | cross-off | cross-off | cross-off | glassy | cross-off | cross-on | on | on | on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross |
High Tide | 6:19AM1.57m | 8:11PM1.54m | 7:06AM1.51m | 8:52PM1.54m | 7:58AM1.41m | 9:38PM1.52m | ||||||||||||||||||
Low Tide | 1:20PM0.17m | 1:49AM0.93m | 2:02PM0.26m | 2:47AM0.90m | 2:47PM0.38m | |||||||||||||||||||
 |  |  |  | |  | | | | | | | | | |  |  | | | | |  | |  | |
 | 4:33 | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 |
 | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:02 | — | — | 7:02 |
mm | 13 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 14 | 18 | 10 | 10 | 3 |
Temp °C | 19 | 21 | 24 | 25 | 24 | 23 | 22 | 22 | 22 | 23 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 20 | 20 | 21 | 21 | 21 |
Feels °C | 18 | 21 | 26 | 24 | 23 | 24 | 24 | 25 | 25 | 24 | 25 | 26 | 26 | 26 | 26 | 23 | 22 | 22 | 21 | 21 | 20 | 23 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SSW 7 | SSW 7 | SW 9 | ENE 6 | E 10 | SE 11 | SSW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | SSW 7 | SSW 7 | SW 7 | SW 7 | SW 6 | E 4 | SSW 6 | SW 7 | SW 8 |
| kJ | 249 | 138 | 99 | 375 | 3 | 8 | 18 | 292 | 157 | 96 | 79 | 101 | 133 | 91 | 77 | 90 | 83 | 65 | 63 | 40 | 3 | 59 | 215 | 545 |
Swell 2 Height (m) Direction Period (s) | E 9 | SE 6 | SE 6 | SSE 7 | SE 15 | SE 11 | E 9 | SSE 11 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 5 | ESE 5 | E 5 |
| kJ | 14 | 37 | 64 | 107 | 9 | 5 | 2 | 11 | 33 | 27 | 18 | 12 | 16 | 25 | 25 | 15 | 15 | 15 | 24 | 24 | 24 | 7 | 8 | 5 |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 8 | ESE 10 | SE 16 | SE 15 | SE 15 | SE 15 | E 10 | SSE 11 | SSE 10 | SE 10 | SE 10 | E 8 | SE 5 | E 9 | E 9 | E 9 | E 9 | SE 13 | E 4 | SE 12 | SE 10 | SE 9 | SE 9 |
| kJ | 4 | 10 | 10 | 10 | 9 | 9 | 8 | 2 | 11 | 10 | 25 | 16 | 5 | 4 | 1 | 6 | 6 | 6 | 6 | 3 | 6 | 24 | 22 | 13 |
Wind waves Height (m) Direction Period (s) | NE 3 | NE 4 | — | — | SSW 9 | SSW 8 | SSW 8 | — | — | — | — | — | — | — | — | — | — | — | E 3 | SSE 5 | SSW 6 | — | SW 7 | SW 8 |
| kJ | 9 | 9 | — | — | 604 | 477 | 356 | — | — | — | — | — | — | — | — | — | — | — | 1 | 9 | 49 | — | 524 | 849 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 150 | 2 | 2 | 65 | 65 | 65 | 2 | 2 | 2 | 13 | 148 | 104 | 13 | 13 | 369 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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