Surf Forecasts:
How big are the waves at Threes today (13 Jul):
- Morning surf: Morning surf (13 Jul, local time) - 4ft (1.2m), 12s period with WNW swell.
- Afternoon surf: Afternoon surf (13 Jul, local time) - 3ft (0.9m), 12s period with WNW swell.
- Evening surf: Evening surf (13 Jul, local time) - 3ft (0.9m), 12s period with WNW swell.
The current surf forecast for Threes at 3AM is: 1.3m 12s primary swell from a West-northwest direction and 0.5m 9s secondary swell from a West-southwest direction (forecast issued at 09:00pm July 12). An open ocean swell of 1.2m 8s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Jul) | 4ft (1.2m) | 12s |
| Afternoon (13 Jul) | 3ft (0.9m) | 12s |
| Evening (13 Jul) | 3ft (0.9m) | 12s |
Table - waves today at Threes. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 55mm), heaviest during Tue night. Warm (max 28°C on Sun night, min 26°C on Sun night). Winds increasing (light winds from the SE on Mon afternoon, fresh winds from the SSW by Wed morning). | ||||||||||||||||||||||||
Sun 12 | Monday 13 | Tuesday 14 | Wednesday 15 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 | SW 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 604 | 594 | 498 | 482 | 406 | 339 | 328 | 250 | 250 | 196 | 186 | 180 | 173 | 133 | 133 | 111 | 93 | 574 | 567 | 614 | 598 | 612 | 775 | 805 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | cross-off | cross-off | cross-off | off | cross-off | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 7:32PM0.72m | 4:50AM0.77m | 8:22PM0.76m | 5:49AM0.78m | 9:06PM0.78m | 6:47AM0.78m | ||||||||||||||||||
Low Tide | 11:58PM0.56m | 12:39PM-0.23m | 1:01AM0.55m | 1:30PM-0.26m | 1:56AM0.53m | 2:19PM-0.25m | ||||||||||||||||||
 |  | |  |  |  | | | | | | | | | | | | |  | |  | | | | |
 | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 |
mm | — | — | — | 5 | 5 | — | — | — | 1 | — | — | 1 | 4 | 4 | 4 | 3 | 4 | 3 | 7 | 2 | 1 | 1 | 2 | 4 |
Temp °C | 28 | 28 | 28 | 28 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 |
Feels °C | 29 | 29 | 30 | 30 | 27 | 28 | 31 | 30 | 32 | 31 | 29 | 29 | 29 | 28 | 27 | 28 | 29 | 29 | 28 | 26 | 26 | 27 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | ESE 8 | WNW 12 | WNW 12 | SE 7 | SE 8 | ESE 8 | ESE 8 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | SE 8 | SE 8 | WNW 10 | WNW 10 | WNW 10 | SE 8 | SE 8 |
| kJ | 604 | 594 | 498 | 482 | 406 | 339 | 140 | 250 | 250 | 75 | 233 | 213 | 183 | 133 | 133 | 111 | 93 | 99 | 69 | 58 | 38 | 38 | 18 | 33 |
Swell 2 Height (m) Direction Period (s) | WSW 11 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WNW 12 | E 8 | E 8 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | ENE 9 | ENE 9 | S 12 | NE 9 | WNW 11 | WNW 11 | E 10 | E 10 | ENE 10 | ENE 10 | E 10 |
| kJ | 90 | 47 | 47 | 45 | 45 | 26 | 328 | 86 | 71 | 196 | 186 | 180 | 173 | 8 | 8 | 3 | 3 | 90 | 64 | 30 | 30 | 31 | 31 | 17 |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 11 | SE 9 | SE 9 | SE 10 | SE 9 | WSW 9 | SSE 6 | SE 6 | E 8 | WSW 9 | ENE 9 | ENE 9 | NE 8 | S 12 | S 12 | S 12 | ENE 9 | E 10 | NE 8 | NE 8 | E 14 | NW 9 | NE 8 |
| kJ | 39 | 29 | 13 | 20 | 4 | 19 | 26 | 22 | 34 | 71 | 25 | 8 | 8 | 2 | 3 | 3 | 3 | 29 | 29 | 3 | 3 | 4 | 22 | 3 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 9 | ESE 8 | — | — | — | — | SSW 4 | SW 5 | SSW 7 | S 8 | S 8 | SSW 8 | SSW 8 | SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 | SW 8 |
| kJ | 219 | 228 | 195 | 199 | 215 | 159 | — | — | — | — | 25 | 64 | 289 | 640 | 680 | 627 | 672 | 574 | 567 | 614 | 598 | 612 | 775 | 805 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2056 | 0 | 0 | 0 | 25 | 13 | 0 | 0 | 0 | 13 | 14 | 255 | 255 | 255 | 255 | 255 | 1885 | 1810 | 1810 | 1810 | 1810 | 1810 | 1886 | 1886 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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