Surf Forecasts:
How big are the waves at Katahama today (14 Sep):
- Morning surf: Morning surf (14 Sep, local time) - 3ft (0.9m), 12s period with ESE swell.
- Afternoon surf: Afternoon surf (14 Sep, local time) - 2.5ft (0.7m), 12s period with E swell.
- Evening surf: Evening surf (14 Sep, local time) - 3.5ft (1.0m), 10s period with SE swell.
The current surf forecast for Katahama at 6AM is: 0.7m 12s primary swell from a East direction and 0.6m 7s secondary swell from a Southeast direction (forecast issued at 02:00am September 14). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | 3ft (0.9m) | 12s |
| Afternoon (14 Sep) | 2.5ft (0.7m) | 12s |
| Evening (14 Sep) | 3.5ft (1.0m) | 10s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 40mm), heaviest during Wed night. Warm (max 27°C on Mon morning, min 21°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||||||||||
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 13 | E 12 | E 12 | ESE 12 | E 12 | E 12 | SE 10 | SE 10 | SSE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | E 14 | ESE 8 | ESE 8 | E 13 | E 13 | E 13 | ESE 8 | ESE 8 | E 13 | E 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 158 | 108 | 144 | 226 | 139 | 141 | 139 | 181 | 176 | 152 | 156 | 152 | 149 | 142 | 142 | 84 | 86 | 165 | 121 | 121 | 100 | 116 | 82 | 118 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | glassy | cross | cross | cross | cross-off | cross-off | glassy | glassy | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross |
High Tide | 6:41AM1.70m | 6:39PM1.80m | 7:20AM1.64m | 7:07PM1.78m | 8:05AM1.54m | 7:37PM1.73m | ||||||||||||||||||
Low Tide | 00:34AM0.46m | 12:37PM0.65m | 1:08AM0.42m | 1:05PM0.75m | 1:47AM0.42m | 1:36PM0.87m | ||||||||||||||||||
 |  |  | |  | | |  |  | |  | | |  | |  | |  | | | | |  | | |
 | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | — | — | — | — | — | — | — | 1 | 3 | 1 | 2 | 3 | 3 | 4 | — | 1 | 1 | — | 2 | 2 | 1 | 2 | 6 | 8 |
Temp °C | 24 | 25 | 26 | 26 | 27 | 27 | 26 | 25 | 23 | 22 | 21 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 22 | 21 |
Feels °C | 29 | 29 | 30 | 30 | 29 | 29 | 29 | 27 | 25 | 24 | 24 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 22 | 20 |
Swell 1 Height (m) Direction Period (s) | E 13 | SE 8 | E 12 | ESE 12 | E 12 | SSE 10 | SE 10 | SE 10 | SSE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 8 | ESE 8 | ESE 8 | S 6 | SE 8 | SE 8 | ESE 8 | E 13 | SE 7 | E 12 |
| kJ | 158 | 63 | 144 | 226 | 139 | 120 | 137 | 181 | 176 | 152 | 156 | 152 | 149 | 142 | 92 | 84 | 86 | 36 | 54 | 62 | 100 | 83 | 44 | 74 |
Swell 2 Height (m) Direction Period (s) | SE 8 | E 12 | SE 7 | SSW 7 | SE 7 | E 12 | E 12 | E 12 | E 12 | E 14 | E 13 | E 13 | E 13 | E 14 | S 6 | S 6 | S 6 | E 13 | E 13 | S 6 | E 13 | SSW 6 | E 13 | SSW 6 |
| kJ | 53 | 108 | 43 | 4 | 44 | 141 | 139 | 102 | 101 | 138 | 88 | 53 | 85 | 131 | 36 | 38 | 36 | 165 | 121 | 25 | 84 | 11 | 82 | 6 |
Swell 3 Height (m) Direction Period (s) | SSW 7 | SSW 7 | SSW 7 | E 17 | SSW 7 | SSW 7 | SSW 7 | E 15 | E 14 | SW 7 | SW 7 | E 16 | SW 7 | E 14 | E 14 | E 12 | E 14 | SE 8 | S 6 | E 13 | S 6 | SSW 6 | SSW 6 | — |
| kJ | 5 | 5 | 5 | 5 | 4 | 4 | 5 | 38 | 37 | 2 | 2 | 43 | 2 | 257 | 142 | 44 | 63 | 50 | 27 | 121 | 17 | 11 | 6 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 3 | E 4 | ESE 8 | E 5 | E 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 12 | 116 | 37 | 118 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 6 | 13 | 6 | 6 | 6 | 6 | 6 | 355 | 2 | 2 | 2 | 2 | 13 | 13 | 13 | 2 | 2 | 2 | 13 | 13 | 13 | 150 | 13 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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