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Umatac surfForecast / Guam / Guam
48hr Weather and Surf, issued 3 am Tuesday 11 Mar 2025 ChST
How big are the waves at Umatac today?
The current surf forecast for Umatac at 5AM is: 0.8m 9s primary swell from a North direction and 0.4m 12s secondary swell from a North-northeast direction (forecast issued at 03:00am March 11). An open ocean swell of 1.6m 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 (11 Mar) | 2.5ft (0.8m) | 12s |
| Afternoon (11 Mar) | 3.5ft (1.1m) | 9s |
| Evening (11 Mar) | 4.5ft (1.4m) | 9s |
Table - waves today at Umatac. (Swell directed towards the surf break)
Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 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 | 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) (?) | 9 | 9 | 9 | 12 | 12 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 106 | 106 | 103 | 177 | 177 | 194 | 258 | 292 | 291 | 299 | 299 | 306 | 258 | 263 | 269 | 194 | 199 | 205 | 478 | 460 | 452 | 452 | 392 | 370 | 416 | 487 | 575 | 706 | 1214 | 1167 | 1106 | 899 | 899 | 886 | 714 | 733 | 622 | 529 | 514 | 396 | 390 | 321 | 321 | 257 | 224 | 213 | 167 | 164 | 125 | 125 | 123 | 78 | 77 | 71 | 47 | 47 | 33 | 30 | 30 | 27 |
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 | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | off |
High Tide / height (m) | 7:15AM 0.73 | 5:25PM 0.64 | 7:42AM 0.74 | 6:22PM 0.66 | 8:05AM 0.73 | 7:12PM 0.66 | 8:25AM 0.73 | 7:56PM 0.66 | 8:43AM 0.72 | 8:39PM 0.65 | 8:59AM 0.71 | 9:21PM 0.63 | 9:16AM 0.70 | 10:04PM 0.62 | 9:32AM 0.69 | |||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 11:45PM -0.06 | 12:41PM 0.45 | 12:32AM -0.04 | 1:17PM 0.38 | 1:11AM -0.01 | 1:49PM 0.32 | 1:44AM 0.04 | 2:19PM 0.27 | 2:14AM 0.10 | 2:48PM 0.21 | 2:43AM 0.16 | 3:17PM 0.17 | 3:10AM 0.23 | 3:46PM 0.13 | 3:37AM 0.30 | |||||||||||||||||||||||||||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:26 | - |
| Sunset | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - |
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Rain (mm) | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 1 | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Feels °C (?) | 28 | 26 | 25 | 26 | 27 | 28 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 26 | 25 | 26 | 26 | 26 | 28 | 27 | 27 | 28 | 27 | 26 | 27 | 26 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 28 | 29 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 29 | 28 | 28 | 28 | 28 | 28 | 27 | 29 | 27 | 28 | 28 | 28 | 27 | 28 | 26 |
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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 Umatac 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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