Surf Forecasts:
How big are the waves at Katahama today (26 Aug):
- Morning surf: Morning surf (26 Aug, local time) - 2.5ft (0.8m), 10s period with SSE swell.
- Afternoon surf: Afternoon surf (26 Aug, local time) - 2.5ft (0.8m), 9s period with SSE swell.
- Evening surf: Evening surf (26 Aug, local time) - 1.5ft (0.5m), 12s period with E swell.
The current surf forecast for Katahama at 12PM is: 0.7m 9s primary swell from a Southeast direction (forecast issued at 08:00am August 26). An open ocean swell of 1.4m 12s is not directed at the surf break, a second open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Aug) | 2.5ft (0.8m) | 10s |
| Afternoon (26 Aug) | 2.5ft (0.8m) | 9s |
| Evening (26 Aug) | 1.5ft (0.5m) | 12s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Thu night. Warm (max 30°C on Wed morning, min 24°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | ||||||||||||||||||||
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 | SSE 10 | SE 9 | SSE 9 | SSE 9 | E 12 | SSE 9 | SSE 10 | SW 6 | SSE 9 | SSE 10 | S 10 | S 10 | S 10 | S 9 | S 9 | E 13 | S 8 | S 8 | S 8 | E 12 | E 12 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 121 | 120 | 84 | 106 | 96 | 69 | 90 | 154 | 94 | 141 | 184 | 127 | 122 | 115 | 80 | 81 | 114 | 51 | 84 | 82 | 71 | 69 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | on | on | off | off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 4:02AM1.57m | 5:24PM1.65m | 4:40AM1.64m | 5:42PM1.69m | 5:15AM1.69m | 6:02PM1.73m | ||||||||||||||||
Low Tide | 10:51AM0.39m | 11:15PM0.91m | 11:19AM0.38m | 11:38PM0.80m | 11:45AM0.41m | |||||||||||||||||
 | | |  | |  | | | | | |  |  |  | | | | |  | | |  | |
 | 5:13 | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 7 | 1 | 1 | 4 | 3 | 1 | — | — | — |
Temp °C | 26 | 29 | 30 | 30 | 29 | 28 | 27 | 27 | 27 | 28 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 25 | 24 | 25 | 25 | 25 |
Feels °C | 31 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 29 | 28 | 28 | 27 | 27 | 26 | 28 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SW 11 | SW 11 | SW 11 | SSE 10 | S 10 | SW 10 | SW 10 | SW 6 | SW 6 | SW 9 | SW 6 | SW 9 | S 8 | S 8 | S 8 |
| kJ | 980 | 639 | 550 | 480 | 477 | 460 | 379 | 373 | 347 | 292 | 184 | 127 | 163 | 136 | 83 | 75 | 81 | 112 | 149 | 82 | 63 | 63 |
Swell 2 Height (m) Direction Period (s) | E 13 | SSE 10 | SE 9 | SSE 9 | SSE 9 | E 12 | SSE 9 | SSE 10 | SSE 10 | SSE 9 | ESE 11 | ESE 11 | S 10 | S 10 | SW 10 | SW 9 | S 9 | SW 9 | S 8 | SW 6 | E 12 | E 12 |
| kJ | 121 | 120 | 84 | 106 | 96 | 69 | 90 | 154 | 94 | 141 | 41 | 38 | 122 | 115 | 133 | 106 | 76 | 79 | 84 | 33 | 71 | 69 |
Swell 3 Height (m) Direction Period (s) | WSW 9 | E 13 | E 12 | E 12 | E 12 | E 16 | S 10 | E 12 | E 12 | E 12 | E 14 | E 14 | ESE 11 | ESE 11 | S 9 | S 9 | E 13 | S 8 | E 12 | E 12 | SW 8 | SW 8 |
| kJ | 8 | 119 | 78 | 75 | 73 | 20 | 74 | 68 | 42 | 41 | 37 | 33 | 38 | 38 | 80 | 81 | 114 | 51 | 77 | 74 | 24 | 24 |
Wind waves Height (m) Direction Period (s) | SW 4 | WSW 4 | SW 4 | SW 4 | SW 4 | S 9 | SW 5 | SW 5 | SW 6 | SW 6 | SW 10 | SW 10 | SW 6 | SW 6 | — | — | SW 6 | — | — | — | SW 6 | SW 6 |
| kJ | 18 | 16 | 31 | 36 | 36 | 194 | 26 | 40 | 86 | 100 | 551 | 478 | 89 | 83 | — | — | 82 | — | — | — | 28 | 33 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 2 | 6 | 814 | 103 | 103 | 103 | 2 | 103 | 103 | 127 | 103 | 65 | 103 | 103 | 65 | 2 | 2 | 2 | 2 | 2 | 6 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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