Surf Forecasts:
How big are the waves at Katahama today (27 Sep):
- Morning surf: Morning surf (27 Sep, local time) - 1ft (0.3m), 10s period with E swell.
- Afternoon surf: Afternoon surf (27 Sep, local time) - 2.5ft (0.7m), 5s period with ENE swell.
- Evening surf: Evening surf (27 Sep, local time) - 1ft (0.3m), 9s period with E swell.
The current surf forecast for Katahama at 11AM is: 0.7m 6s primary swell from a South direction and 0.3m 10s secondary swell from a East direction, 0.7m 4s secondary swell from a East direction (forecast issued at 08:00am September 27). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Sep) | 1ft (0.3m) | 10s |
| Afternoon (27 Sep) | 2.5ft (0.7m) | 5s |
| Evening (27 Sep) | 1ft (0.3m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 47mm), heaviest during Tue night. Warm (max 25°C on Mon morning, min 18°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||
Sunday 27 | Monday 28 | Tuesday 29 | ||||||||||||||||||||
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 10 | E 10 | S 6 | ENE 5 | E 9 | E 9 | E 9 | SSW 6 | E 9 | SSW 6 | SW 6 | SW 6 | S 7 | E 9 | E 9 | E 10 | E 10 | SW 13 | SSE 9 | E 10 | E 10 | E 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 17 | 17 | 38 | 26 | 16 | 15 | 15 | 63 | 14 | 65 | 59 | 44 | 24 | 6 | 6 | 7 | 8 | 0 | 8 | 8 | 8 | 8 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | glassy | glassy | glassy | cross-on | cross | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off |
High Tide | 5:43AM1.70m | 5:40PM1.78m | 6:17AM1.70m | 6:04PM1.80m | 6:55AM1.66m | 6:32PM1.80m | ||||||||||||||||
Low Tide | 11:42AM0.64m | 00:05AM0.41m | 12:07PM0.70m | 00:36AM0.35m | 12:35PM0.78m | |||||||||||||||||
 |  | | |  |  | | | |  |  | | | | | | | | | | |  | |
 | 5:37 | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — |
 | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:36 | — | — | — | — | — | — | — | 5:35 | — | — |
mm | 4 | — | — | 1 | — | 1 | 1 | 3 | 5 | 2 | — | — | — | — | — | — | — | 2 | 1 | — | 3 | 10 |
Temp °C | 20 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 25 | 25 | 24 | 23 | 24 | 23 | 22 | 20 | 20 | 21 | 19 | 18 |
Feels °C | 20 | 23 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 26 | 24 | 24 | 24 | 22 | 21 | 20 | 21 | 22 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | SSW 5 | E 10 | S 6 | S 7 | S 7 | SSW 7 | SSW 6 | SW 6 | S 6 | E 9 | E 9 | E 9 | SSW 6 | S 7 | S 7 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 5 | 17 | 38 | 86 | 92 | 77 | 57 | 39 | 44 | 6 | 6 | 6 | 33 | 89 | 92 | 331 | 424 | 527 | 627 | 667 | 646 | 587 |
Swell 2 Height (m) Direction Period (s) | E 10 | S 5 | E 10 | E 5 | E 4 | E 9 | E 9 | S 6 | E 9 | SSE 10 | SE 9 | SE 8 | S 7 | SW 14 | SW 13 | S 7 | SSW 7 | SSW 7 | WNW 4 | E 10 | SSE 9 | SSE 9 |
| kJ | 17 | 4 | 17 | 16 | 6 | 15 | 15 | 20 | 14 | 11 | 3 | 3 | 24 | 97 | 208 | 92 | 75 | 58 | 6 | 8 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | SSE 9 | SSE 8 | SE 14 | E 10 | E 9 | E 4 | SSE 7 | E 9 | SE 9 | E 6 | SE 10 | SW 14 | SW 14 | E 9 | E 9 | E 10 | E 10 | W 4 | SSE 9 | SSE 9 | E 10 | E 10 |
| kJ | 8 | 7 | 8 | 16 | 16 | 1 | 9 | 15 | 3 | 1 | 4 | 8 | 29 | 6 | 6 | 7 | 8 | 13 | 8 | 8 | 8 | 7 |
Wind waves Height (m) Direction Period (s) | ENE 3 | E 4 | E 5 | ENE 5 | — | — | ENE 4 | SSW 6 | SW 6 | SSW 6 | SW 6 | SW 6 | W 3 | W 4 | W 4 | W 5 | WNW 5 | WNW 5 | WNW 4 | NW 4 | NE 10 | NE 10 |
| kJ | 3 | 9 | 20 | 26 | — | — | 4 | 63 | 16 | 65 | 59 | 44 | 6 | 9 | 20 | 42 | 35 | 27 | 12 | 5 | 24 | 24 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 94 | 179 | 6 | 2 | 2 | 2 | 65 | 2 | 212 | 2 | 103 | 210 | 2 | 2 | 2 | 65 | 2 | 2 | 2 | 2 | 13 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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