
Surf Forecasts:
How big are the waves at Threes today (12 Jul):
- Morning surf: Morning surf (12 Jul, local time) - 5ft (1.6m), 13s period with WNW swell.
- Afternoon surf: Afternoon surf (12 Jul, local time) - 5ft (1.5m), 13s period with WNW swell.
- Evening surf: Evening surf (12 Jul, local time) - 4.5ft (1.4m), 13s period with WNW swell.
The current surf forecast for Threes at 2AM is: 1.8m 14s primary swell from a West-northwest direction and 0.9m 10s secondary swell from a West-southwest direction (forecast issued at 09:00pm July 11). An open ocean swell of 1.2m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Jul) | 5ft (1.6m) | 13s |
| Afternoon (12 Jul) | 5ft (1.5m) | 13s |
| Evening (12 Jul) | 4.5ft (1.4m) | 13s |
Table - waves today at Threes. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 56mm), heaviest during Tue morning. Warm (max 29°C on Sun morning, min 27°C on Tue morning). Mainly fresh winds. | ||||||||||||||||||||||||
Sat 11 | Sunday 12 | Monday 13 | Tuesday 14 | |||||||||||||||||||||
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 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | W 13 | WNW 13 | 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 |
Wave Graph | ||||||||||||||||||||||||
1526 | 1322 | 1139 | 1074 | 929 | 811 | 878 | 703 | 604 | 594 | 498 | 482 | 406 | 339 | 328 | 250 | 250 | 196 | 186 | 180 | 138 | 133 | 133 | 138 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | off | off | off | off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross |
High Tide | 6:34PM0.66m | 3:52AM0.76m | 7:32PM0.72m | 4:50AM0.77m | 8:22PM0.76m | 5:49AM0.78m | ||||||||||||||||||
Low Tide | 10:45PM0.54m | 11:45AM-0.18m | 11:58PM0.56m | 12:39PM-0.23m | 1:01AM0.55m | 1:30PM-0.26m | ||||||||||||||||||
— | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | |
— | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | |
mm | — | — | — | 2 | 6 | 3 | 1 | 1 | 2 | 4 | 1 | 4 | 2 | 1 | — | — | — | 2 | 1 | 3 | 4 | 5 | 7 | 7 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 28 | 29 | 29 | 29 | 29 | 31 | 31 | 30 | 30 | 31 | 29 | 29 | 30 | 30 | 30 | 29 | 30 | 30 | 30 | 30 | 29 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | WNW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | W 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | SE 8 | WNW 11 | WNW 11 | SSE 7 | SSE 7 | SSE 8 | SSE 8 |
1526 | 1322 | 1139 | 1074 | 929 | 811 | 878 | 703 | 604 | 594 | 498 | 482 | 406 | 339 | 328 | 250 | 250 | 112 | 186 | 180 | 310 | 215 | 173 | 158 | |
Swell 2 Height (m) Direction Period (s) | WSW 12 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 11 | E 8 | E 8 | E 8 | WSW 9 | E 8 | E 8 | WSW 9 | E 8 | E 9 | WNW 12 | E 10 | E 10 | WNW 11 | WNW 11 | WNW 11 | WNW 11 |
237 | 206 | 149 | 109 | 105 | 62 | 28 | 90 | 217 | 190 | 163 | 44 | 173 | 103 | 44 | 90 | 73 | 196 | 89 | 64 | 138 | 133 | 133 | 138 | |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | SE 10 | WSW 9 | WSW 9 | WSW 9 | SE 9 | WSW 8 | WSW 9 | SE 10 | WSW 9 | WSW 9 | E 9 | WSW 8 | ENE 9 | WSW 8 | E 8 | E 10 | E 9 |
50 | 50 | 49 | 21 | 20 | 29 | 30 | 39 | 64 | 47 | 45 | 21 | 41 | 44 | 23 | 26 | 26 | 74 | 24 | 7 | 22 | 35 | 45 | 42 | |
Wind waves Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | E 6 | E 7 | E 7 | E 7 | E 8 | — | — | — | E 8 | — | — | ESE 8 | SE 9 | SE 8 | — | SSE 6 | S 7 | — | — | SSW 7 | SSW 7 |
176 | 172 | 199 | 196 | 327 | 232 | 222 | 252 | — | — | — | 122 | — | — | 109 | 99 | 120 | — | 90 | 311 | — | — | 57 | 117 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1284 | 1810 | 1810 | 1810 | 1810 | 1810 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 13 | 0 | 13 | 13 | 13 | 1810 | 1810 | 255 | 1810 | 1859 | 2447 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












