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Surf Forecasts:
Threes surfForecast / Guam / Guam
48hr Weather and Surf, issued 3 am Wednesday 15 Apr 2026 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
28.3° C
(Which is normal for this time of year)How big are the waves at Threes today?
The current surf forecast for Threes at 6AM is: 5.5m 10s primary swell from a West-northwest direction and 4.0m 13s secondary swell from a North direction (forecast issued at 03:00am April 15). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Apr) | 18ft (5.5m) | 10s |
| Afternoon (15 Apr) | 13ft (4.0m) | 13s |
| Evening (15 Apr) | 13ft (4.0m) | 12s |
Table - waves today at Threes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 15 | Thursday 16 | Friday 17 | ||||||||||||||||||||||
| 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 | 7 PM | 10 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 10 | 10 | 13 | 13 | 13 | 12 | 13 | 12 | 13 | 13 | 13 | 9 | 12 | 12 | 12 | 13 | 13 | 12 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 6918 | 6417 | 5801 | 5810 | 5152 | 5798 | 4934 | 4155 | 3888 | 3634 | 3751 | 3775 | 4372 | 2248 | 2923 | 5457 | 3018 | 3270 | 3004 | 3928 | 2630 | 2994 | 2800 | 2641 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on |
High Tide / height (m) | 6:06AM 0.72 | 6:07PM 0.67 | 6:30AM 0.73 | 7:06PM 0.71 | 6:56AM 0.75 | 8:04PM 0.74 | ||||||||||||||||||
Low Tide / height (m) | 11:30PM 0.10 | 12:13PM 0.21 | 12:15AM 0.14 | 12:50PM 0.10 | 12:59AM 0.20 | 1:29PM -0.01 | ||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | ||||||||||||||||||||||
| Sunrise | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 6:34 | - | - | - | - | - | - | - | 6:34 | - | - | - | - | - | - | - | 6:34 | - | - |
 |  |  |  | | | | | | | | | |  | |  | | | | |  | | | | |
Rain (mm) | 11 | 8 | 19 | 6 | 2 | 2 | 2 | 2 | 1 | 2 | 4 | 1 | 1 | - | 1 | - | - | 1 | 1 | 1 | - | - | - | - |
| Temp. °C | 26 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 |
| Feels °C (?) | 17 | 19 | 19 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 25 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 28 | 28 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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