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Surf Forecasts:
Boat Basin Lefts surfForecast / Guam / Guam
48hr Weather and Surf, issued 3 pm Monday 13 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
28.1° 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 7PM is: 5.0m 16s primary swell from a East direction and 4.0m 9s secondary swell from a North-northeast direction (forecast issued at 03:00pm April 13). The wind direction is predicted to be cross-onshore and the swell rating is 11.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Apr) | - | - |
| Afternoon (13 Apr) | 15ft (4.5m) | 15s |
| Evening (13 Apr) | 18ft (5.5m) | 16s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | |||||||||||||||||||||
| 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) (?) | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 11 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 8152 | 11428 | 13146 | 15708 | 18018 | 18333 | 14722 | 11444 | 9519 | 11538 | 12918 | 23663 | 25076 | 15107 | 13514 | 14552 | 13806 | 11991 | 10020 | 9473 | 8474 | 7732 | 7095 | 7609 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 3:46PM 0.72 | 5:44AM 0.85 | 5:07PM 0.76 | 6:06AM 0.87 | 6:16PM 0.81 | 6:30AM 0.89 | ||||||||||||||||||
Low Tide / height (m) | 11:09AM 0.59 | 10:40PM 0.31 | 11:47AM 0.51 | 11:31PM 0.34 | 12:23PM 0.41 | 12:20AM 0.38 | ||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - |
| Sunset | - | 6:32 | - | - | - | - | - | - | - | 6:32 | - | - | - | - | - | - | - | 6:34 | - | - | - | - | - | - |
 | |  | |  | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | 3 | 2 | 4 | 4 | 7 | 13 | 17 | 12 | 12 | 12 | 11 | 6 | 5 | 4 | 4 | 5 | 3 | 1 | 2 | 3 | 3 | 2 | 1 | 1 |
| Temp. °C | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Feels °C (?) | 24 | 23 | 23 | 20 | 19 | 18 | 18 | 16 | 16 | 17 | 17 | 19 | 19 | 20 | 20 | 20 | 20 | 22 | 22 | 23 | 23 | 24 | 24 | 25 |
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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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