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Surf Forecasts:
Threes surfForecast / Guam / Guam
48hr Weather and Surf, issued 9 pm Sunday 22 Mar 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
27.7° C
(Which is normal for this time of year)How big are the waves at Threes today?
The current surf forecast for Threes at 5AM is: 0.6m 13s primary swell from a Northeast direction and 0.3m 12s secondary swell from a North-northeast direction (forecast issued at 09:00pm March 22). An open ocean swell of 2.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Mar) | 2ft (0.6m) | 13s |
| Afternoon (23 Mar) | 2ft (0.6m) | 12s |
| Evening (23 Mar) | 0.5ft (0.1m) | 11s |
Table - waves today at Threes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sun 22 | Monday 23 | Tuesday 24 | Wednesday 25 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 11 | 11 | 8 | 10 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 215 | 173 | 168 | 138 | 136 | 132 | 78 | 114 | 3 | 12 | 3 | 2 | 69 | 69 | 77 | 9 | 21 | 33 | 48 | 46 | 62 | 57 | 57 | 55 |
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 | cross- off |
High Tide / height (m) | 10:52PM 0.69 | 9:40AM 0.76 | 12:07AM 0.66 | 10:14AM 0.74 | 1:37AM 0.65 | 10:55AM 0.71 | ||||||||||||||||||
Low Tide / height (m) | 4:03PM -0.05 | 4:05AM 0.38 | 4:53PM -0.08 | 4:52AM 0.46 | 5:52PM -0.08 | 5:53AM 0.54 | ||||||||||||||||||
Sun 22 | Monday 23 | Tuesday 24 | Wednesday 25 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 |
 | | |  |  | |  | | | | | | | | | | | | | | | |  | | |
Rain (mm) | - | - | - | 1 | 3 | 5 | 8 | 7 | 6 | 4 | 6 | 4 | 3 | 2 | 6 | 1 | 1 | 3 | 4 | 2 | 1 | 3 | - | - |
| Temp. °C | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 |
| Feels °C (?) | 26 | 26 | 27 | 26 | 25 | 26 | 26 | 26 | 26 | 27 | 26 | 27 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 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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