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Umatac surf Forecast / Guam / Guam
48hr Weather and Surf, issued 3 pm Thursday 18 Apr 2024 ChST
Forecast update in hr min s Update imminent
Umatac surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Umatac sea temperature is 28.3°C (Statistics for 18 Apr 1981-2005 - mean: 28.2 °C max: 29.0 °C min: 27.0 °C)
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Umatac surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Umatac sea temperature is 28.3°C (Statistics for 18 Apr 1981-2005 - mean: 28.2 °C max: 29.0 °C min: 27.0 °C)
How big are the waves at Umatac today?
The current surf forecast for Umatac at 9PM is: 0.7m 9s primary swell from a North-northeast direction (forecast issued at 03:00pm April 18). An open ocean swell of 1.1m 12s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | - | - |
| Afternoon (18 Apr) | 2.5ft (0.7m) | 9s |
| Evening (18 Apr) | 2.5ft (0.7m) | 9s |
Table - waves today at Umatac. (Swell directed towards the surf break)
Updates in hr min s Update imminent
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 1 PM | 4 PM | 7 PM | 10 PM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |    |    |    |    |    |    |    |    | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 12 | 12 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 57 | 78 | 76 | 80 | 82 | 86 | 94 | 98 | 75 | 77 | 78 | 78 | 82 | 62 | 127 | 113 | 111 | 106 | 97 | 68 | 68 | 66 | 42 | 61 | 61 | 60 | 60 | 72 | 177 | 154 | 156 | 153 | 100 | 138 | 108 | 221 | 210 | 199 | 199 | 210 | 225 | 221 | 210 | 210 | 217 | 172 | 169 | 157 | 118 | 114 | 112 | 79 | 75 | 50 | 48 | 47 | 30 | 29 | 27 | 26 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | off | cross- off | cross- off | cross- off | off | off | off | 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 | 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) | 3:25PM 0.55 | 5:38AM 0.69 | 4:41PM 0.56 | 6:04AM 0.70 | 5:41PM 0.59 | 6:26AM 0.70 | 6:33PM 0.61 | 6:47AM 0.70 | 7:20PM 0.64 | 7:06AM 0.70 | 8:05PM 0.66 | 7:24AM 0.69 | 8:49PM 0.68 | 7:42AM 0.69 | 9:34PM 0.69 | |||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 10:57AM 0.43 | 10:24PM 0.09 | 11:37AM 0.36 | 11:12PM 0.12 | 12:11PM 0.29 | 11:53PM 0.16 | 12:42PM 0.22 | 12:30AM 0.20 | 1:10PM 0.16 | 1:06AM 0.24 | 1:38PM 0.09 | 1:40AM 0.30 | 2:06PM 0.04 | 2:14AM 0.35 | 2:35PM -0.01 | |||||||||||||||||||||||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - |
| Sunset | - | 6:34 | - | - | - | - | - | - | - | 6:34 | - | - | - | - | - | - | - | 6:34 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - |
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Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 |
| Feels °C (?) | 29 | 29 | 29 | 29 | 30 | 29 | 29 | 29 | 30 | 30 | 31 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 28 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 28 | 27 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 27 |
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