Surf Forecasts:
How big are the waves at Threes today (25 Aug):
- Afternoon surf: Afternoon surf (25 Aug, local time) - 4.5ft (1.4m), 9s period with W swell.
- Evening surf: Evening surf (25 Aug, local time) - 3.5ft (1.1m), 8s period with SW swell.
The current surf forecast for Threes at 10PM is: 1.1m 8s primary swell from a Southwest direction and 1.0m 8s secondary swell from a West direction (forecast issued at 03:00pm August 25). An open ocean swell of 0.6m 13s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Aug) | - | - |
| Afternoon (25 Aug) | 4.5ft (1.4m) | 9s |
| Evening (25 Aug) | 3.5ft (1.1m) | 8s |
Table - waves today at Threes. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 76mm), heaviest during Thu night. Warm (max 28°C on Tue afternoon, min 26°C on Thu afternoon). Mainly fresh winds. | ||||||||||||||||||||
Tue 25 | Wednesday 26 | Thursday 27 | ||||||||||||||||||
1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | W 9 | W 9 | W 9 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | SW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 367 | 262 | 185 | 151 | 220 | 213 | 263 | 240 | 199 | 186 | 169 | 143 | 164 | 153 | 211 | 218 | 218 | 175 | 138 | 138 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on |
High Tide | 7:22PM0.69m | 5:27AM0.67m | 7:49PM0.70m | 6:13AM0.69m | 8:13PM0.71m | |||||||||||||||
Low Tide | 12:01PM-0.02m | 00:29AM0.45m | 12:39PM-0.04m | 1:04AM0.42m | 1:14PM-0.04m | |||||||||||||||
 |  |  | | | |  | | | | |  | | | | |  | |  | | |
 | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | 6:37 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:36 | — | — |
mm | — | 2 | 3 | 1 | 1 | 1 | — | 1 | 4 | 3 | 1 | — | — | 1 | 2 | 5 | 6 | 6 | 6 | 7 |
Temp °C | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 26 | 26 |
Feels °C | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 30 | 30 | 28 | 28 | 29 | 29 | 29 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | WSW 7 | WSW 7 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | WSW 7 | WSW 7 | WSW 7 |
| kJ | 367 | 262 | 185 | 151 | 220 | 213 | 263 | 240 | 199 | 186 | 169 | 143 | 164 | 97 | 95 | 95 | 68 | 175 | 138 | 138 |
Swell 2 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | ENE 13 | W 8 | W 8 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | S 6 | NW 10 | NW 10 | NW 10 | ENE 11 | ENE 11 | ENE 11 |
| kJ | 112 | 123 | 122 | 131 | 86 | 64 | 115 | 113 | 113 | 111 | 109 | 106 | 100 | 15 | 37 | 35 | 35 | 105 | 103 | 64 |
Swell 3 Height (m) Direction Period (s) | ENE 13 | ENE 13 | ENE 13 | SE 9 | ENE 13 | ENE 12 | NW 10 | NW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | SE 10 | SE 10 | SE 10 | NW 10 | NW 10 | NW 10 |
| kJ | 137 | 135 | 133 | 29 | 129 | 119 | 50 | 68 | 65 | 58 | 57 | 37 | 36 | 37 | 24 | 24 | 23 | 35 | 34 | 34 |
Wind waves Height (m) Direction Period (s) | — | — | — | W 8 | — | — | — | — | — | — | — | — | — | WSW 7 | SW 7 | WSW 7 | WSW 7 | — | — | — |
| kJ | — | — | — | 136 | — | — | — | — | — | — | — | — | — | 153 | 211 | 218 | 218 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 255 | 15 | 15 | 15 | 14 | 14 | 14 | 13 |
Best forecast wave conditions in Guam | ||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||
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