Surf Forecasts:
How big are the waves at Katahama today (03 Sep):
- Morning surf: Morning surf (03 Sep, local time) - 2.5ft (0.7m), 11s period with E swell.
- Afternoon surf: Afternoon surf (03 Sep, local time) - 2ft (0.6m), 10s period with E swell.
- Evening surf: Evening surf (03 Sep, local time) - 1.5ft (0.5m), 10s period with E swell.
The current surf forecast for Katahama at 9AM is: 0.7m 11s primary swell from a East direction (forecast issued at 02:00am September 03). An open ocean swell of 0.8m 9s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Sep) | 2.5ft (0.7m) | 11s |
| Afternoon (03 Sep) | 2ft (0.6m) | 10s |
| Evening (03 Sep) | 1.5ft (0.5m) | 10s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 56mm), heaviest during Fri night. Warm (max 30°C on Thu morning, min 21°C on Fri night). Winds increasing (calm on Thu night, strong winds from the NE by Sat night). | ||||||||||||||||||||||||
Thursday 3 | Friday 4 | Saturday 5 | ||||||||||||||||||||||
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 10 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | ESE 6 | E 9 | E 9 | E 9 | E 7 | E 6 | E 6 | E 6 | E 6 | E 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 74 | 112 | 114 | 112 | 100 | 71 | 69 | 48 | 48 | 47 | 30 | 45 | 27 | 27 | 16 | 26 | 26 | 30 | 57 | 75 | 122 | 184 | 245 | 311 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | glassy | glassy | cross | cross | cross-off | cross-off | glassy | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross |
High Tide | 9:42AM1.34m | 8:51PM1.59m | 11:47AM1.25m | 9:34PM1.48m | 2:56PM1.34m | |||||||||||||||||||
Low Tide | 3:19AM0.56m | 2:44PM1.03m | 4:27AM0.62m | 3:30PM1.19m | 6:01AM0.65m | 6:23PM1.30m | ||||||||||||||||||
 |  |  |  |  | | | |  | | | | | |  |  |  | | | |  | | | | |
 | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:08 | — |
mm | — | — | 1 | — | — | — | — | — | 1 | — | — | — | — | — | 1 | 3 | 12 | 15 | 3 | 5 | 7 | 3 | 4 | 2 |
Temp °C | 26 | 26 | 26 | 27 | 30 | 29 | 29 | 27 | 25 | 25 | 25 | 26 | 27 | 26 | 23 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 |
Feels °C | 31 | 30 | 31 | 31 | 32 | 31 | 30 | 29 | 29 | 29 | 30 | 30 | 31 | 28 | 24 | 22 | 22 | 21 | 20 | 20 | 19 | 19 | 20 | 19 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 9 | S 9 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | SW 9 | SSW 9 |
| kJ | 101 | 99 | 94 | 94 | 94 | 94 | 68 | 238 | 270 | 250 | 245 | 240 | 231 | 225 | 130 | 296 | 227 | 218 | 179 | 133 | 124 | 119 | 68 | 55 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 11 | E 11 | E 11 | E 10 | E 10 | SSW 12 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 6 | ESE 6 | SSW 11 | SE 6 | SE 6 | E 9 | E 9 | E 9 | E 13 | E 13 | S 8 | SSW 8 |
| kJ | 74 | 112 | 114 | 112 | 100 | 71 | 111 | 48 | 48 | 47 | 30 | 45 | 16 | 16 | 140 | 10 | 11 | 26 | 15 | 15 | 3 | 3 | 32 | 20 |
Swell 3 Height (m) Direction Period (s) | ESE 5 | ESE 5 | ESE 5 | SE 10 | SE 10 | SSW 13 | E 10 | SE 10 | SE 10 | SE 10 | SE 6 | SE 9 | E 9 | E 9 | ESE 6 | E 9 | E 9 | SE 9 | E 13 | E 13 | — | — | E 13 | E 13 |
| kJ | 4 | 4 | 4 | 16 | 15 | 33 | 69 | 15 | 15 | 15 | 9 | 29 | 27 | 27 | 16 | 26 | 26 | 12 | 4 | 3 | — | — | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SW 2 | WSW 3 | WSW 3 | W 3 | — | — | — | — | NW 4 | N 2 | NNE 3 | NE 3 | E 6 | E 7 | E 6 | E 6 | E 6 | E 6 | E 6 |
| kJ | — | — | — | — | — | 1 | 3 | 3 | 1 | — | — | — | — | 3 | 1 | 1 | 3 | 30 | 57 | 75 | 122 | 184 | 245 | 311 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 2 | 6 | 94 | 6 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 94 | 94 | 94 | 94 | 94 | 415 | 94 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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