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Threes surfForecast / Guam / Guam
48hr Weather and Surf, issued 9 pm Thursday 19 Feb 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
28.2° C
(Which is slightly warmer than usual)How big are the waves at Threes today?
The current surf forecast for Threes at 3AM is: 0.5m 6s primary swell from a North direction (forecast issued at 09:00pm February 19). An open ocean swell of 1.1m 9s is not directed at the surf break, a second open ocean swell of 0.9m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Feb) | 2ft (0.6m) | 6s |
| Afternoon (20 Feb) | 2.5ft (0.7m) | 7s |
| Evening (20 Feb) | 2ft (0.6m) | 6s |
Table - waves today at Threes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thu 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 10 | 6 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 11 | 10 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 11 | 17 | 17 | 18 | 20 | 30 | 22 | 43 | 33 | 30 | 29 | 40 | 78 | 73 | 50 | 49 | 48 | 33 | 32 | 112 | 127 | 125 | 92 | 103 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | off | off | off | off | cross- off | cross- off | cross- off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 8:41PM 0.70 | 9:40AM 0.76 | 9:35PM 0.67 | 10:03AM 0.76 | 10:37PM 0.64 | 10:29AM 0.75 | ||||||||||||||||||
Low Tide / height (m) | 3:07AM 0.03 | 3:45PM 0.20 | 3:42AM 0.13 | 4:29PM 0.12 | 4:18AM 0.23 | |||||||||||||||||||
Thu 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:28 |
 |  |  | |  | |  | | | | |  | | | | | | | | | | | |  | |
Rain (mm) | - | - | 1 | 1 | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 |
| Feels °C (?) | 31 | 29 | 29 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 26 | 28 | 28 | 28 | 29 | 30 | 29 | 29 | 29 | 29 | 28 | 28 |
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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.
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