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Boat Basin Rights surfForecast / Guam / Guam
48hr Weather and Surf, issued 9 pm Monday 11 Aug 2025 ChST
How big are the waves at Boat Basin Rights today?
The current surf forecast for Boat Basin Rights at 3AM is: 0.8m 10s primary swell from a East direction and 0.2m 7s secondary swell from a North-northwest direction (forecast issued at 09:00pm August 11). The wind direction is predicted to be offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 2.5ft (0.8m) | 9s |
| Afternoon (12 Aug) | 2.5ft (0.7m) | 9s |
| Evening (12 Aug) | 2.5ft (0.7m) | 9s |
Table - waves today at Boat Basin Rights. (Swell directed towards the surf break)
Mon 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | |||||||||||||||||||||
| 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) (?) | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 131 | 130 | 122 | 139 | 157 | 148 | 152 | 100 | 81 | 78 | 76 | 97 | 117 | 114 | 96 | 75 | 58 | 60 | 70 | 68 | 73 | 82 | 80 | 65 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | off | off | off | off | off | glass | glass | glass | cross- off | cross- off | cross- off | glass | glass | glass | glass | glass | glass | glass | glass | glass | glass |
High Tide / height (m) | 9:56PM 0.92 | 9:02AM 0.86 | 10:20PM 0.92 | 10:04AM 0.83 | 10:45PM 0.93 | 11:13AM 0.79 | ||||||||||||||||||
Low Tide / height (m) | 3:41AM 0.51 | 3:41PM 0.22 | 4:28AM 0.43 | 4:20PM 0.32 | 5:17AM 0.35 | |||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 6:44 | - | - | - | - | - | - | - | 6:44 | - | - | - | - | - | - | - | 6:43 |
 | |  | |  |  | |  |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 1 | - | - | 1 | - | - | - | 2 | 1 | 1 | - | - | - | - | - | - |
| Temp. °C | 29 | 28 | 28 | 28 | 28 | 29 | 30 | 30 | 29 | 28 | 28 | 27 | 27 | 29 | 30 | 29 | 29 | 28 | 27 | 27 | 27 | 28 | 29 | 29 |
| Feels °C (?) | 32 | 31 | 32 | 32 | 31 | 32 | 33 | 33 | 33 | 33 | 33 | 31 | 31 | 33 | 34 | 33 | 33 | 33 | 31 | 32 | 32 | 32 | 34 | 33 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Guam
Continuing clean conditions at Boat Basin Rights (calm at Tamuning 3 km from Boat Basin Rights). 0.8m 9s swell from the E with a 0.2m 7s swell from the NNW and a 0.2m 15s groundswell from the E. 3 swells combining to make bigger set waves.
1 h 23 min ago
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