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Surf Forecasts:
Boat Basin Lefts surfForecast / Guam / Guam
48hr Weather and Surf, issued 3 pm Saturday 11 Apr 2026 ChSTForecast update in hr min s Forecast update imminent
Boat Basin Lefts surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Boat Basin Lefts sea temperature is
28.2° C
(Which is normal for this time of year)How big are the waves at Boat Basin Lefts today?
The current surf forecast for Boat Basin Lefts at 11PM is: 3.0m 10s primary swell from a East-northeast direction and 0.6m 9s secondary swell from a North direction (forecast issued at 03:00pm April 11). An open ocean swell of 0.2m 13s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Apr) | - | - |
| Afternoon (11 Apr) | 8ft (2.5m) | 10s |
| Evening (11 Apr) | 8ft (2.5m) | 10s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | |||||||||||||||||||||
| 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) (?) | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 14 | 8 | 9 | 15 | 10 | 16 | 16 | 13 | 12 | 12 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1597 | 1567 | 1124 | 1433 | 1724 | 2112 | 1730 | 1862 | 3104 | 3020 | 2926 | 3462 | 4333 | 5415 | 1299 | 1950 | 13843 | 4898 | 23427 | 30086 | 47533 | 13609 | 11265 | 2064 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off |
High Tide / height (m) | 12:22PM 0.72 | 4:54AM 0.80 | 2:07PM 0.71 | 5:21AM 0.83 | 3:46PM 0.72 | 5:44AM 0.85 | ||||||||||||||||||
Low Tide / height (m) | 8:46PM 0.27 | 10:23AM 0.66 | 9:46PM 0.29 | 11:09AM 0.59 | 10:40PM 0.31 | |||||||||||||||||||
Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:09 | - |
| Sunset | - | 6:32 | - | - | - | - | - | - | - | 6:32 | - | - | - | - | - | - | - | 6:32 | - | - | - | - | - | - |
 | |  | |  | |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | 1 | 1 | 1 | - | 1 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 13 | 26 | 94 | 29 | 6 | 23 |
| Temp. °C | 28 | 28 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 27 |
| Feels °C (?) | 26 | 26 | 26 | 26 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 22 | 21 | 20 | 16 | 8 | 0 | 26 | 20 | 6 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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