Surf Forecasts:
How big are the waves at Threes today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2.5ft (0.7m), 9s period with WSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 2.5ft (0.8m), 9s period with WSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 2.5ft (0.7m), 8s period with WSW swell.
The current surf forecast for Threes at 4PM is: 0.8m 9s primary swell from a West-southwest direction and 0.7m 6s secondary swell from a Northeast direction (forecast issued at 09:00am August 20). The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2.5ft (0.7m) | 9s |
| Afternoon (20 Aug) | 2.5ft (0.8m) | 9s |
| Evening (20 Aug) | 2.5ft (0.7m) | 8s |
Table - waves today at Threes. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Sat afternoon. Warm (max 29°C on Thu morning, min 28°C on Thu morning). Winds increasing (calm on Thu night, fresh winds from the SW by Sat night). | ||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||||||||
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) | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | NE 7 | NE 6 | NE 7 | NNE 7 | NE 6 | NE 9 | WNW 8 | WNW 8 | WNW 8 | NE 10 | NE 11 | NE 11 | NE 11 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 82 | 106 | 103 | 101 | 96 | 75 | 75 | 75 | 51 | 51 | 40 | 37 | 29 | 19 | 38 | 22 | 22 | 22 | 281 | 263 | 198 | 169 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | glassy | glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross |
High Tide | 2:40PM0.54m | 00:33AM0.65m | 4:17PM0.56m | 1:25AM0.63m | 5:28PM0.60m | |||||||||||||||||
Low Tide | 7:21AM0.10m | 6:52PM0.46m | 8:25AM0.09m | 8:12PM0.51m | 9:28AM0.07m | 9:45PM0.52m | ||||||||||||||||
 | |  | |  | |  | |  | | | |  | | | | | | | | | | |
 | 6:09 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | 1 | 1 | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | 1 | 3 | 5 | 2 |
Temp °C | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 29 | 29 | 29 | 29 | 29 |
Feels °C | 31 | 30 | 32 | 32 | 33 | 32 | 33 | 33 | 33 | 32 | 32 | 33 | 32 | 32 | 31 | 30 | 30 | 31 | 30 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | NE 7 | NE 7 | E 10 | E 9 | E 9 | E 10 | SSE 9 | SSE 9 | SSE 9 | S 9 | NE 10 | NE 11 | NE 11 | NE 11 |
| kJ | 82 | 106 | 103 | 101 | 96 | 75 | 75 | 75 | 35 | 43 | 94 | 108 | 101 | 149 | 189 | 360 | 286 | 686 | 281 | 263 | 198 | 169 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | NE 6 | NE 6 | NE 6 | NE 6 | NE 7 | WSW 8 | WSW 8 | NE 6 | NE 7 | SSE 8 | SSE 9 | E 10 | ENE 10 | ENE 10 | NE 10 | WNW 9 | WNW 9 | WNW 9 | WNW 8 |
| kJ | 55 | 55 | 55 | 40 | 40 | 40 | 41 | 43 | 51 | 51 | 40 | 35 | 47 | 100 | 260 | 222 | 240 | 229 | 28 | 26 | 26 | 14 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SSE 9 | NNE 6 | WNW 8 | SSE 9 | SE 9 | SE 9 | SSE 8 | ESE 12 | E 11 | WSW 8 | WSW 8 | NNE 7 | NE 6 | NE 9 | WNW 8 | WNW 8 | WNW 8 | E 14 | E 13 | E 13 | E 13 |
| kJ | 67 | 54 | 18 | 40 | 52 | 50 | 36 | 40 | 121 | 88 | 37 | 37 | 29 | 19 | 38 | 22 | 22 | 22 | 15 | 14 | 14 | 14 |
Wind waves Height (m) Direction Period (s) | NE 6 | NE 6 | ENE 6 | — | — | — | — | — | — | — | — | SSW 3 | S 3 | — | S 8 | SSW 8 | SSW 9 | SSW 8 | S 9 | S 9 | S 9 | S 9 |
| kJ | 35 | 45 | 23 | — | — | — | — | — | — | — | — | 1 | 1 | — | 309 | 162 | 344 | 254 | 822 | 977 | 1112 | 1029 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 26 | 1270 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 14 | 14 | 14 | 23 | 25 | 1940 | 2051 | 2051 | 2440 | 2440 | 255 | 255 |
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)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Threes surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest