Surf Forecasts:
How big are the waves at Threes today (27 Aug):
- Afternoon surf: Afternoon surf (27 Aug, local time) - 4ft (1.2m), 7s period with WSW swell.
- Evening surf: Evening surf (27 Aug, local time) - 3.5ft (1.0m), 7s period with WSW swell.
The current surf forecast for Threes at 11PM is: 0.9m 7s primary swell from a West-southwest direction (forecast issued at 03:00pm August 27). An open ocean swell of 0.5m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Aug) | - | - |
| Afternoon (27 Aug) | 4ft (1.2m) | 7s |
| Evening (27 Aug) | 3.5ft (1.0m) | 7s |
Table - waves today at Threes. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 35mm), heaviest during Sat night. Warm (max 29°C on Sat morning, min 27°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Thu 27 | Friday 28 | Saturday 29 | ||||||||||||||||||
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) | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | W 7 | WSW 7 | WSW 7 | WSW 7 | WNW 9 | WNW 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 123 | 123 | 96 | 96 | 83 | 75 | 83 | 81 | 73 | 73 | 66 | 59 | 99 | 96 | 73 | 132 | 132 | 139 | 181 | 306 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | glassy | glassy | on | glassy | on | on | on | on | cross-on | on | on | on | on | on | on | on |
High Tide | 8:13PM0.71m | 6:57AM0.70m | 8:34PM0.72m | 7:41AM0.71m | 8:55PM0.72m | |||||||||||||||
Low Tide | 1:14PM-0.04m | 1:36AM0.37m | 1:47PM-0.03m | 2:08AM0.32m | 2:20PM0.02m | |||||||||||||||
 |  |  |  | | | | | |  | | |  | | | | | | | | |
 | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | 6:36 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — |
mm | 2 | — | — | 1 | 2 | 2 | 3 | 2 | — | — | 1 | 1 | — | — | — | — | 2 | 2 | 1 | 2 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 28 |
Feels °C | 31 | 30 | 31 | 32 | 33 | 33 | 30 | 31 | 29 | 29 | 29 | 29 | 31 | 30 | 29 | 31 | 30 | 30 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | ENE 12 | WSW 7 | WSW 7 | WSW 7 | SW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WNW 10 |
| kJ | 123 | 123 | 96 | 96 | 83 | 75 | 83 | 81 | 73 | 73 | 131 | 59 | 99 | 96 | 53 | 132 | 132 | 139 | 125 | 306 |
Swell 2 Height (m) Direction Period (s) | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | SSE 9 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | WNW 9 | WSW 8 |
| kJ | 105 | 105 | 103 | 64 | 64 | 198 | 151 | 145 | 172 | 190 | 32 | 131 | 127 | 123 | 121 | 119 | 115 | 82 | 181 | 107 |
Swell 3 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | SSE 9 | NW 10 | NW 10 | NW 9 | SE 9 | SE 9 | SE 10 | SE 10 | W 9 | ENE 11 | ENE 11 |
| kJ | 35 | 35 | 34 | 34 | 47 | 34 | 46 | 33 | 31 | 32 | 32 | 32 | 21 | 21 | 13 | 14 | 15 | 43 | 79 | 78 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | WSW 7 | W 4 | — | W 7 | W 7 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 66 | 10 | — | 76 | 73 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 14 | 14 | 14 | 14 | 0 | 0 | 14 | 0 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
Best forecast wave conditions in Guam | ||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||
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