Surf Forecasts:
How big are the waves at Threes today (03 Sep):
- Morning surf: Morning surf (03 Sep, local time) - 8ft (2.4m), 8s period with W swell.
- Afternoon surf: Afternoon surf (03 Sep, local time) - 7ft (2.2m), 8s period with WSW swell.
- Evening surf: Evening surf (03 Sep, local time) - 4.5ft (1.4m), 11s period with WNW swell.
The current surf forecast for Threes at 4AM is: 2.1m 8s primary swell from a West direction and 0.5m 10s secondary swell from a Northeast direction (forecast issued at 09:00pm September 02). An open ocean swell of 0.3m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Sep) | 8ft (2.4m) | 8s |
| Afternoon (03 Sep) | 7ft (2.2m) | 8s |
| Evening (03 Sep) | 4.5ft (1.4m) | 11s |
Table - waves today at Threes. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 69mm), heaviest during Wed night. Warm (max 28°C on Thu night, min 25°C on Wed night). Mainly strong winds. | ||||||||||||||||||
Wed 2 | Thursday 3 | Friday 4 | ||||||||||||||||
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 8 | W 8 | W 8 | W 8 | W 8 | WNW 8 | WSW 8 | WNW 8 | WNW 11 | WNW 10 | W 9 | W 9 | W 9 | WNW 9 | W 9 | W 8 | W 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 421 | 396 | 432 | 579 | 675 | 816 | 353 | 556 | 361 | 478 | 631 | 1178 | 984 | 885 | 433 | 586 | 460 | 471 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:28PM0.71m | 12:39PM0.61m | 11:01PM0.70m | 2:21PM0.60m | ||||||||||||||
Low Tide | 4:39PM0.34m | 5:36AM0.03m | 5:24PM0.44m | 6:39AM0.00m | 6:25PM0.52m | |||||||||||||
 |  | | |  | | | | | | |  |  | | | | | | |
 | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | 6 | 4 | 3 | 7 | 17 | 1 | 1 | 3 | 3 | 3 | 1 | — | — | — | 1 | 1 | 1 | 1 |
Temp °C | 26 | 26 | 26 | 25 | 26 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 30 | 30 | 28 | 21 | 24 | 25 | 25 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 8 | NE 10 | NE 10 | NE 10 | NE 10 | WNW 8 | NW 12 | WNW 8 | WNW 11 | WNW 10 | SE 9 | NE 8 | SE 8 | WNW 9 | SE 8 | S 6 | SE 8 |
| kJ | 421 | 396 | 46 | 47 | 47 | 45 | 353 | 137 | 361 | 478 | 631 | 20 | 11 | 16 | 433 | 17 | 25 | 18 |
Swell 2 Height (m) Direction Period (s) | NE 9 | NE 10 | SE 9 | SE 9 | SE 9 | SE 10 | NW 13 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | SE 9 | NE 8 | SE 8 | NE 9 | SE 8 | SE 11 |
| kJ | 42 | 44 | 13 | 13 | 13 | 14 | 78 | 29 | 29 | 29 | 20 | 12 | 13 | 11 | 25 | 21 | 18 | 18 |
Swell 3 Height (m) Direction Period (s) | E 10 | SE 9 | E 10 | E 10 | E 10 | NW 14 | NE 9 | SE 9 | SE 9 | SE 9 | SE 9 | E 9 | E 9 | ESE 12 | NE 8 | SE 11 | SE 11 | ENE 9 |
| kJ | 8 | 12 | 8 | 8 | 8 | 29 | 41 | 12 | 20 | 27 | 20 | 6 | 6 | 13 | 11 | 19 | 18 | 17 |
Wind waves Height (m) Direction Period (s) | — | — | W 8 | W 8 | W 8 | W 8 | SW 7 | WSW 8 | SW 6 | SW 6 | SW 6 | W 9 | W 9 | W 9 | SW 6 | W 9 | W 8 | W 9 |
| kJ | — | — | 432 | 579 | 675 | 816 | 349 | 556 | 187 | 253 | 263 | 1178 | 984 | 885 | 161 | 586 | 460 | 471 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 14 | 255 | 1873 | 255 | 257 | 2264 | 2267 | 1810 | 1810 | 1810 | 1810 | 2056 | 2051 | 2069 | 15 | 15 |
Best forecast wave conditions in Guam | ||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||
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