Surf Forecasts:
How big are the waves at Threes today (24 Sep):
- Afternoon surf: Afternoon surf (24 Sep, local time) - 2.5ft (0.8m), 6s period with SW swell.
- Evening surf: Evening surf (24 Sep, local time) - 2.5ft (0.8m), 6s period with SW swell.
The current surf forecast for Threes at 7PM is: 0.8m 6s primary swell from a Southwest direction (forecast issued at 03:00pm September 24). An open ocean swell of 0.6m 9s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Sep) | - | - |
| Afternoon (24 Sep) | 2.5ft (0.8m) | 6s |
| Evening (24 Sep) | 2.5ft (0.8m) | 6s |
Table - waves today at Threes. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 35mm), heaviest during Thu afternoon. Warm (max 29°C on Fri morning, min 27°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Thu 24 | Friday 25 | Saturday 26 | ||||||||||||||||||
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) | NNW 10 | NNW 10 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 7 | SW 6 | SW 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 56 | 60 | 58 | 66 | 46 | 46 | 46 | 45 | 38 | 38 | 39 | 39 | 39 | 39 | 30 | 31 | 32 | 22 | 47 | 47 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | cross-on | on | on | on | on | on | on | on | cross-on | glassy | glassy | on | glassy | cross-on |
High Tide | 6:47PM0.70m | 6:05AM0.68m | 7:09PM0.71m | 6:54AM0.70m | 7:30PM0.71m | |||||||||||||||
Low Tide | 11:59AM0.04m | 00:30AM0.31m | 12:37PM0.06m | 1:02AM0.23m | 1:14PM0.10m | |||||||||||||||
 | |  | | |  | | | |  | | | |  | |  | | | | | |
 | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | 1 | 5 | 4 | 3 | 2 | — | 3 | 3 | 2 | — | — | 1 | 1 | — | 1 | — | 1 | 1 | 4 | 3 |
Temp °C | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 |
Feels °C | 33 | 31 | 31 | 32 | 31 | 31 | 31 | 32 | 32 | 32 | 33 | 31 | 32 | 32 | 32 | 33 | 32 | 33 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | ENE 9 | SW 6 | SW 6 |
| kJ | 56 | 60 | 58 | 66 | 46 | 46 | 46 | 45 | 38 | 38 | 39 | 39 | 39 | 39 | 30 | 31 | 32 | 47 | 47 | 47 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | ENE 9 | ENE 9 | ENE 9 | NE 9 | NE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SW 7 | ENE 10 | ENE 10 |
| kJ | 56 | 54 | 53 | 53 | 38 | 35 | 35 | 47 | 46 | 46 | 39 | 47 | 48 | 54 | 56 | 56 | 47 | 21 | 52 | 52 |
Swell 3 Height (m) Direction Period (s) | NE 9 | NNW 10 | NNW 10 | NNW 9 | SE 8 | SE 8 | NNW 9 | SSE 8 | NNW 9 | NNW 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | WSW 6 | SE 8 | SE 8 |
| kJ | 40 | 56 | 37 | 35 | 31 | 32 | 32 | 25 | 15 | 14 | 37 | 20 | 12 | 27 | 27 | 19 | 18 | 22 | 18 | 18 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 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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