Surf Forecasts:
How big are the waves at Threes today (01 Aug):
- Morning surf: Morning surf (01 Aug, local time) - 5ft (1.5m), 7s period with WSW swell.
- Afternoon surf: Afternoon surf (01 Aug, local time) - 5.5ft (1.7m), 7s period with WSW swell.
- Evening surf: Evening surf (01 Aug, local time) - 5ft (1.6m), 7s period with WSW swell.
The current surf forecast for Threes at 3AM is: 1.2m 7s primary swell from a Southwest direction (forecast issued at 03:00pm July 31). An open ocean swell of 1.3m 15s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Aug) | 5ft (1.5m) | 7s |
| Afternoon (01 Aug) | 5.5ft (1.7m) | 7s |
| Evening (01 Aug) | 5ft (1.6m) | 7s |
Table - waves today at Threes. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 41mm), heaviest during Sun morning. Warm (max 29°C on Fri afternoon, min 28°C on Fri night). Winds increasing (light winds from the WNW on Fri night, strong winds from the W by Sun afternoon). | ||||||||||||||||||||
Fri 31 | Saturday 1 | Sunday 2 | ||||||||||||||||||
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) | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 86 | 113 | 102 | 121 | 121 | 139 | 163 | 204 | 278 | 251 | 251 | 258 | 236 | 231 | 328 | 438 | 481 | 621 | 827 | 870 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | cross-on | on | cross-on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on |
High Tide | 9:56PM0.72m | 8:22AM0.68m | 10:18PM0.72m | 9:09AM0.66m | ||||||||||||||||
Low Tide | 2:48PM-0.07m | 3:16AM0.41m | 3:19PM-0.03m | 3:52AM0.36m | 3:51PM0.03m | |||||||||||||||
 | |  | | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | 6:49 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:47 | — | — |
mm | 1 | 1 | 1 | 2 | 2 | 1 | — | 1 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 |
Temp °C | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 31 | 31 | 31 | 31 | 29 | 29 | 30 | 30 | 30 | 30 | 29 | 30 | 29 | 28 | 27 | 27 | 26 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | SW 7 | E 15 | E 14 | E 14 | ENE 14 | ENE 14 | ENE 14 | E 13 | ENE 15 | ENE 16 | ENE 15 | ENE 15 | ENE 15 | ENE 15 | ENE 15 | ENE 15 | ENE 14 |
| kJ | 86 | 113 | 102 | 121 | 627 | 713 | 703 | 811 | 799 | 811 | 339 | 923 | 1150 | 1163 | 1088 | 970 | 1024 | 1038 | 1024 | 886 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | E 18 | E 17 | E 16 | SW 7 | SW 7 | E 18 | SE 9 | SE 9 | SE 9 | ENE 15 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 |
| kJ | 37 | 156 | 140 | 503 | 121 | 139 | 162 | 21 | 20 | 19 | 392 | 20 | 20 | 20 | 20 | 19 | 12 | 15 | 15 | 15 |
Swell 3 Height (m) Direction Period (s) | ENE 15 | ENE 8 | E 8 | SSE 7 | SSE 7 | SE 9 | SE 9 | NNE 9 | NNE 9 | NNE 9 | SE 9 | NNE 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | E 15 |
| kJ | 72 | 22 | 33 | 11 | 10 | 21 | 21 | 8 | 8 | 8 | 19 | 8 | 6 | 6 | 6 | 6 | 6 | 6 | 1 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 |
| kJ | — | — | — | — | — | — | 163 | 204 | 278 | 251 | 251 | 258 | 236 | 231 | 328 | 438 | 481 | 621 | 827 | 870 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 1810 | 1810 | 1810 | 1889 | 1889 | 1270 | 1885 |
Best forecast wave conditions in Guam | ||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||
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