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Surf Forecasts:
Boat Basin Lefts surfForecast / Guam / Guam
48hr Weather and Surf, issued 3 pm Sunday 08 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 slightly warmer than usual)How big are the waves at Boat Basin Lefts today?
The current surf forecast for Boat Basin Lefts at 11PM is: 1.4m 13s primary swell from a North direction and 0.9m 13s secondary swell from a Northeast direction (forecast issued at 03:00pm March 08). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Mar) | - | - |
| Afternoon (08 Mar) | 5ft (1.5m) | 14s |
| Evening (08 Mar) | 5ft (1.5m) | 13s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 08 | Monday 09 | Tuesday 10 | Wednesday 11 | |||||||||||||||||||||
| 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) (?) | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 9 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 906 | 820 | 772 | 663 | 620 | 485 | 403 | 403 | 464 | 364 | 505 | 553 | 495 | 432 | 422 | 371 | 380 | 234 | 351 | 351 | 419 | 262 | 289 | 230 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross- on | cross- on | cross- on | glass | cross- off | off | off | cross- off | cross- off | cross- off | off | off | cross- off | off | cross- off | cross- off | off | off | off | off | cross- off | cross- off |
High Tide / height (m) | 10:11AM 0.85 | 11:53PM 0.76 | 10:32AM 0.83 | 1:00AM 0.73 | 10:56AM 0.80 | 2:26AM 0.71 | ||||||||||||||||||
Low Tide / height (m) | 5:07PM 0.27 | 4:56AM 0.57 | 5:50PM 0.26 | 5:29AM 0.62 | 6:38PM 0.26 | 6:08AM 0.66 | ||||||||||||||||||
Sunday 08 | Monday 09 | Tuesday 10 | Wednesday 11 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - |
| Sunset | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - |
 | |  |  | | |  |  | | |  | | | | | | | | | | | | | | |
Rain (mm) | 9 | 8 | 12 | 5 | 2 | 1 | 1 | 3 | 4 | 5 | 4 | 4 | 4 | 4 | 5 | 3 | 4 | 3 | 1 | 3 | 2 | 1 | 2 | 4 |
| Temp. °C | 25 | 24 | 24 | 23 | 24 | 24 | 25 | 26 | 25 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 27 |
| Feels °C (?) | 29 | 28 | 27 | 26 | 27 | 28 | 28 | 29 | 27 | 28 | 28 | 30 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 26 | 26 | 27 | 27 |
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Boat Basin Lefts surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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