Surf Forecasts:
How big are the waves at Threes today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 5ft (1.5m), 8s period with W swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 4.5ft (1.4m), 8s period with W swell.
- Evening surf: Evening surf (15 Aug, local time) - 5ft (1.5m), 8s period with W swell.
The current surf forecast for Threes at 1PM is: 1.4m 8s primary swell from a West direction and 0.3m 11s secondary swell from a Northeast direction (forecast issued at 09:00am August 15). An open ocean swell of 0.5m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | 5ft (1.5m) | 8s |
| Afternoon (15 Aug) | 4.5ft (1.4m) | 8s |
| Evening (15 Aug) | 5ft (1.5m) | 8s |
Table - waves today at Threes. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 44mm), heaviest during Sun morning. Warm (max 29°C on Sat morning, min 26°C on Sun morning). Winds decreasing (fresh winds from the WSW on Sun morning, light winds from the WSW by Mon night). | ||||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||||||||||
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 | 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 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 347 | 331 | 277 | 270 | 302 | 295 | 295 | 326 | 280 | 287 | 373 | 363 | 453 | 502 | 453 | 442 | 527 | 477 | 382 | 339 | 339 | 298 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | 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 | 8:49AM0.72m | 10:04PM0.74m | 9:45AM0.68m | 10:30PM0.73m | 10:44AM0.63m | |||||||||||||||||
Low Tide | 3:25PM0.00m | 4:00AM0.24m | 4:03PM0.11m | 4:45AM0.19m | 4:39PM0.21m | |||||||||||||||||
 |  | | |  | | |  | |  | |  |  | | | |  | | | | | | |
 | 6:07 | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:42 | — | — |
mm | — | 1 | 1 | 2 | — | — | — | 2 | 5 | 7 | 1 | — | — | 1 | 2 | — | — | — | 4 | 7 | 2 | 2 |
Temp °C | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 26 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 |
Feels °C | 29 | 30 | 30 | 31 | 31 | 29 | 29 | 29 | 30 | 27 | 26 | 27 | 27 | 27 | 26 | 29 | 29 | 29 | 28 | 28 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | W 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | W 8 | W 8 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 |
| kJ | 347 | 51 | 50 | 36 | 36 | 35 | 35 | 25 | 280 | 287 | 34 | 24 | 24 | 14 | 14 | 14 | 527 | 477 | 382 | 339 | 339 | 298 |
Swell 2 Height (m) Direction Period (s) | SE 10 | NE 10 | NE 11 | NE 11 | NE 10 | NE 10 | NE 10 | ENE 9 | SE 10 | SE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | E 9 |
| kJ | 52 | 28 | 18 | 18 | 14 | 16 | 16 | 8 | 35 | 34 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 |
Swell 3 Height (m) Direction Period (s) | N 10 | N 10 | N 10 | N 10 | N 9 | E 9 | E 9 | NNE 11 | ENE 9 | ENE 9 | NE 10 | NE 9 | NNE 12 | NNE 11 | NNE 11 | NNE 11 | E 8 | E 9 | E 8 | E 9 | E 8 | NNE 9 |
| kJ | 17 | 17 | 8 | 7 | 7 | 6 | 6 | 12 | 8 | 8 | 4 | 3 | 14 | 13 | 12 | 11 | 13 | 13 | 13 | 13 | 13 | 17 |
Wind waves Height (m) Direction Period (s) | — | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | — | — | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | — | — | — | — | — | — |
| kJ | — | 331 | 277 | 270 | 302 | 295 | 295 | 326 | — | — | 373 | 363 | 453 | 502 | 453 | 442 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 15 | 15 | 15 | 15 | 15 | 15 | 255 | 255 | 26 | 1270 | 1270 | 2056 | 255 | 255 | 255 | 255 | 257 | 255 | 255 | 255 | 255 | 255 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||
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