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Surf Forecasts:
Boat Basin Lefts surfForecast / Guam / Guam
48hr Weather and Surf, issued 9 pm Sunday 29 Mar 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 5AM is: 1.0m 11s primary swell from a North-northwest direction and 0.8m 7s secondary swell from a North-northeast direction (forecast issued at 09:00pm March 29). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Mar) | 2.5ft (0.7m) | 11s |
| Afternoon (30 Mar) | 3.5ft (1.0m) | 7s |
| Evening (30 Mar) | 4.5ft (1.3m) | 12s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sun 29 | Monday 30 | Tuesday 31 | Wednesday 01 | |||||||||||||||||||||
| 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 | 9 | 9 | 11 | 11 | 11 | 12 | 7 | 7 | 12 | 11 | 11 | 11 | 11 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 81 | 103 | 101 | 259 | 206 | 114 | 175 | 94 | 94 | 464 | 410 | 356 | 366 | 359 | 148 | 188 | 215 | 226 | 223 | 249 | 180 | 184 | 180 | 197 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | 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) | 4:21PM 0.78 | 6:29AM 0.86 | 5:37PM 0.80 | 6:55AM 0.87 | 6:41PM 0.83 | 7:18AM 0.88 | ||||||||||||||||||
Low Tide / height (m) | 11:27PM 0.24 | 12:19PM 0.53 | 12:16AM 0.28 | 12:58PM 0.45 | 1:00AM 0.33 | 1:34PM 0.37 | ||||||||||||||||||
Sun 29 | Monday 30 | Tuesday 31 | Wednesday 01 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:16 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 |
 | | | |  | | | | | | | | | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 28 |
| Feels °C (?) | 30 | 31 | 31 | 30 | 30 | 29 | 30 | 30 | 29 | 30 | 28 | 28 | 28 | 28 | 29 | 30 | 29 | 30 | 30 | 28 | 28 | 28 | 29 | 29 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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