Surf Forecasts:
How big are the waves at Katahama today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 2ft (0.6m), 8s period with E swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 2ft (0.6m), 9s period with E swell.
- Evening surf: Evening surf (18 Jul, local time) - 2.5ft (0.7m), 9s period with E swell.
The current surf forecast for Katahama at 4PM is: 0.6m 9s primary swell from a East direction and 0.6m 4s secondary swell from a Southeast direction (forecast issued at 08:00am July 18). 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 (18 Jul) | 2ft (0.6m) | 8s |
| Afternoon (18 Jul) | 2ft (0.6m) | 9s |
| Evening (18 Jul) | 2.5ft (0.7m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat morning. Warm (max 30°C on Mon morning, min 25°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 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 | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 51 | 52 | 59 | 60 | 61 | 83 | 87 | 92 | 90 | 92 | 87 | 115 | 83 | 83 | 80 | 58 | 58 | 59 | 57 | 56 | 55 | 52 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | glassy | cross | cross-off | cross | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off |
High Tide | 7:02AM1.60m | 8:10PM1.67m | 7:49AM1.52m | 8:44PM1.66m | 8:41AM1.42m | |||||||||||||||||
Low Tide | 1:38PM0.34m | 2:16AM0.76m | 2:14PM0.46m | 3:06AM0.72m | 2:52PM0.61m | |||||||||||||||||
 | |  | | |  |  | |  | | | | | | | | | | | | | | |
 | 4:46 | — | — | — | — | — | — | 4:47 | — | — | — | — | — | — | — | 4:47 | — | — | — | — | — | — |
 | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — |
mm | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 27 | 28 | 27 | 27 | 26 | 25 | 26 | 27 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 29 | 30 | 29 | 28 | 27 |
Feels °C | 29 | 29 | 29 | 31 | 30 | 32 | 30 | 28 | 30 | 31 | 31 | 30 | 30 | 31 | 30 | 30 | 30 | 32 | 32 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 7 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 32 | 52 | 59 | 60 | 61 | 83 | 87 | 92 | 90 | 92 | 87 | 115 | 83 | 83 | 80 | 58 | 58 | 59 | 57 | 56 | 55 | 52 |
Swell 2 Height (m) Direction Period (s) | E 8 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SE 8 | SE 7 | SE 7 | SW 7 | SE 8 | SE 8 | SE 7 | SE 7 | SE 6 | SE 6 | SE 6 | SE 6 | SSE 8 | SE 8 |
| kJ | 51 | 30 | 17 | 17 | 17 | 18 | 17 | 16 | 28 | 27 | 27 | 7 | 17 | 14 | 14 | 8 | 6 | 6 | 6 | 6 | 7 | 11 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 8 | SE 8 | SE 8 | SSE 4 | SSE 4 | SE 8 | SE 8 | SW 7 | SW 7 | SW 7 | S 8 | S 8 | S 8 | SW 7 | SW 7 | SW 6 | S 7 | SSE 9 | SSE 8 | S 7 | WSW 8 |
| kJ | 12 | 11 | 11 | 11 | 7 | 3 | 15 | 15 | 16 | 16 | 7 | 10 | 10 | 5 | 7 | 7 | 6 | 4 | 7 | 7 | 4 | 6 |
Wind waves Height (m) Direction Period (s) | ESE 4 | SE 4 | SE 4 | SE 4 | — | — | — | SE 4 | — | — | — | — | SW 7 | SW 7 | — | SW 7 | WSW 2 | SW 6 | SW 6 | SW 3 | SW 3 | SSW 3 |
| kJ | 16 | 20 | 15 | 12 | — | — | — | 7 | — | — | — | — | 16 | 7 | — | 11 | 1 | 6 | 10 | 4 | 5 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 208 | 104 | 104 | 104 | 104 | 13 | 13 | 6 | 13 | 13 | 65 | 65 | 6 | 6 | 6 | 6 | 6 | 6 | 65 | 211 | 236 | 6 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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