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Surf Forecasts:
Boat Basin Lefts surfForecast / Guam / Guam
48hr Weather and Surf, issued 3 pm Wednesday 06 May 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 11PM is: 2.5m 10s primary swell from a East direction and 0.1m 7s secondary swell from a North direction (forecast issued at 03:00pm May 06). The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 May) | - | - |
| Afternoon (06 May) | 8ft (2.5m) | 9s |
| Evening (06 May) | 8ft (2.5m) | 9s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Sat morning. Warm (max 28°C on Thu morning, min 27°C on Wed afternoon). Mainly fresh winds. | ||||||||||||||||||||||||
Wed 6 | Thursday 7 | Friday 8 | Sat 9 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | |
963 | 1044 | 1243 | 1306 | 1264 | 1264 | 1290 | 1184 | 1065 | 1043 | 1043 | 956 | 876 | 918 | 979 | 963 | 937 | 803 | 734 | 665 | 665 | 680 | 700 | 787 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 00:29AM0.82m | 9:22AM0.78m | 1:23AM0.81m | 9:59AM0.76m | 2:14AM0.82m | |||||||||||||||||||
Low Tide | 4:36PM0.14m | 5:13AM0.69m | 5:19PM0.17m | 6:13AM0.70m | 6:04PM0.21m | 7:30AM0.69m | ||||||||||||||||||
 |  |  |  | | |  | | | | | | | | | | | |  |  | | | | | |
 | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — |
 | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | 6:37 |
— | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | 1 | 1 | |
Temp °C | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 |
27 | 25 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 28 | 26 | 27 | 26 | 26 | 26 | 26 | 27 | 29 | 28 | 28 | 28 | 28 | 27 | 27 | |
Swell 1 Height (m) Direction Period (s) | NNW 8 | NW 8 | NW 8 | N 7 | N 10 | N 10 | N 10 | N 9 | N 9 | N 9 | N 10 | N 10 | SSE 7 | SSE 7 | S 7 | S 7 | S 7 | S 7 | S 6 | S 7 | S 6 | S 6 | S 6 | N 9 |
 kJ | 6 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 18 | 15 | 24 | 24 | 24 | 14 | 20 | 14 | 12 | 7 | 7 | 7 |
Swell 2 Height (m) Direction Period (s) | NE 10 | N 10 | N 11 | — | N 10 | — | — | — | N 11 | N 11 | N 12 | — | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | N 11 | N 10 | N 10 | N 10 | S 6 |
| kJ | 4 | 2 | 2 | — | 2 | — | — | — | 2 | 2 | 3 | — | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 8 | 8 | 8 | 3 |
Swell 3 Height (m) Direction Period (s) | — | N 11 | — | — | — | — | — | — | — | — | — | — | — | N 12 | S 9 | N 12 | N 12 | N 11 | N 11 | NW 8 | NW 8 | NW 8 | S 8 | SW 8 |
| kJ | — | 2 | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 | 3 | 3 | 2 | 2 | 3 | 2 | 2 | 1 | 3 |
Wind waves Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 |
| kJ | 963 | 1044 | 1243 | 1306 | 1264 | 1264 | 1290 | 1184 | 1065 | 1043 | 1043 | 956 | 876 | 918 | 979 | 963 | 937 | 803 | 734 | 665 | 665 | 680 | 700 | 787 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1836 | 1905 | 1836 | 1836 | 1836 | 1836 | 1836 | 1836 | 1864 | 1864 | 1837 | 1836 | 1836 | 1836 | 1836 | 1836 | 1866 | 1905 | 1866 | 1836 | 1836 | 1290 | 1290 | 1290 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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