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Surf Forecasts:
Threes surfForecast / Guam / Guam
48hr Weather and Surf, issued 3 pm Sunday 07 Dec 2025 ChSTForecast update in hr min s Forecast update imminent
Threes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Threes sea temperature is
29.1° C
(Which is slightly warmer than usual)How big are the waves at Threes today?
The current surf forecast for Threes at 6PM is: 0.6m 16s primary swell from a North-northeast direction and 0.7m 10s secondary swell from a North-northwest direction (forecast issued at 03:00pm December 07). An open ocean swell of 1.3m 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 (07 Dec) | - | - |
| Afternoon (07 Dec) | 2ft (0.6m) | 16s |
| Evening (07 Dec) | 2ft (0.6m) | 15s |
Table - waves today at Threes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||||||||
| 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 | 1 AM | 4 AM | 7 AM | 10 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 94 | 169 | 160 | 158 | 152 | 146 | 144 | 142 | 142 | 142 | 140 | 138 | 118 | 116 | 116 | 143 | 184 | 223 | 202 | 190 | 140 | 104 | 99 | 71 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 10:29AM 0.82 | 8:00PM 0.76 | 11:21AM 0.80 | 8:51PM 0.71 | 12:10PM 0.78 | 9:49PM 0.66 | ||||||||||||||||||
Low Tide / height (m) | 3:27PM 0.55 | 3:37AM -0.25 | 4:25PM 0.54 | 4:27AM -0.18 | 5:30PM 0.51 | 5:18AM -0.09 | ||||||||||||||||||
Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - |
| Sunset | - | 5:52 | - | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - |
 |  |  | | |  | | | | |  | | | | | | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | 1 | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | 4 | 3 | - |
| Temp. °C | 28 | 29 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 |
| Feels °C (?) | 29 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 30 | 30 | 29 | 29 | 27 | 28 | 29 | 29 | 29 | 29 | 27 | 28 | 27 | 28 | 29 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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