Surf Forecasts:
How big are the waves at Katahama today (27 Aug):
- Morning surf: Morning surf (27 Aug, local time) - 3ft (0.9m), 9s period with SSE swell.
- Afternoon surf: Afternoon surf (27 Aug, local time) - 2.5ft (0.8m), 10s period with S swell.
- Evening surf: Evening surf (27 Aug, local time) - 3.5ft (1.1m), 6s period with SW swell.
The current surf forecast for Katahama at 3AM is: 0.9m 10s primary swell from a South-southeast direction and 0.9m 5s secondary swell from a Southwest direction (forecast issued at 08:00pm August 26). An open ocean swell of 1.2m 11s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Aug) | 3ft (0.9m) | 9s |
| Afternoon (27 Aug) | 2.5ft (0.8m) | 10s |
| Evening (27 Aug) | 3.5ft (1.1m) | 6s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Thu night. Warm (max 29°C on Thu morning, min 24°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Wed 26 | Thursday 27 | Friday 28 | ||||||||||||||||
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) | SSE 9 | E 12 | SSE 9 | SSE 10 | SSE 10 | SSE 9 | SSE 10 | S 10 | S 10 | SW 6 | SW 6 | E 13 | E 13 | S 8 | E 12 | E 12 | E 12 | E 12 |
Wave Graph  | ||||||||||||||||||
 kJ | 96 | 72 | 90 | 154 | 120 | 141 | 184 | 130 | 122 | 87 | 80 | 125 | 114 | 51 | 77 | 74 | 71 | 69 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:24PM1.65m | 4:40AM1.64m | 5:42PM1.69m | 5:15AM1.69m | 6:02PM1.73m | |||||||||||||
Low Tide | 11:15PM0.91m | 11:19AM0.38m | 11:38PM0.80m | 11:45AM0.41m | ||||||||||||||
 |  | | |  | | |  | |  |  | | | | | | | | |
 | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — |
 | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — |
mm | — | — | — | — | — | — | — | — | — | 3 | 6 | 1 | — | — | — | — | — | — |
Temp °C | 29 | 28 | 28 | 27 | 27 | 28 | 29 | 29 | 29 | 28 | 26 | 25 | 24 | 25 | 26 | 28 | 26 | 26 |
Feels °C | 32 | 31 | 32 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 29 | 27 | 28 | 26 | 27 | 26 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 11 | SSW 11 | SSW 11 | SW 11 | SSE 10 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 6 | S 8 | S 8 | S 8 | S 8 |
| kJ | 477 | 460 | 379 | 373 | 120 | 292 | 208 | 167 | 163 | 160 | 133 | 106 | 83 | 99 | 65 | 65 | 32 | 32 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | E 12 | SSE 9 | SSE 10 | E 12 | SSE 9 | SSE 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | SW 9 | SW 9 | E 12 | E 12 | E 12 |
| kJ | 96 | 72 | 90 | 154 | 42 | 141 | 184 | 130 | 122 | 87 | 80 | 79 | 74 | 79 | 49 | 74 | 71 | 69 |
Swell 3 Height (m) Direction Period (s) | E 12 | E 16 | S 10 | E 12 | S 11 | E 12 | ESE 11 | E 11 | ESE 11 | ESE 11 | ESE 11 | E 13 | E 13 | S 8 | E 12 | SW 11 | SW 10 | SSE 9 |
| kJ | 73 | 20 | 74 | 68 | 41 | 41 | 41 | 37 | 38 | 38 | 37 | 125 | 114 | 51 | 77 | 29 | 28 | 8 |
Wind waves Height (m) Direction Period (s) | SW 4 | S 9 | SW 5 | SW 5 | SW 11 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | — | SW 6 | WSW 9 | WSW 5 | SW 4 |
| kJ | 29 | 189 | 26 | 43 | 627 | 86 | 100 | 86 | 67 | 67 | 69 | 89 | 115 | — | 46 | 157 | 77 | 59 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 103 | 103 | 112 | 127 | 65 | 103 | 124 | 103 | 65 | 2 | 2 | 2 | 2 | 2 | 6 | 6 | 103 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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