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Surf Forecasts:
Boat Basin Lefts surfForecast / Guam / Guam
48hr Weather and Surf, issued 9 am Thursday 07 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 5PM is: 2.3m 10s primary swell from a East direction and 0.1m 9s secondary swell from a North direction, 0.1m 11s secondary swell from a North direction (forecast issued at 09:00am May 07). The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 May) | 8ft (2.5m) | 10s |
| Afternoon (07 May) | 7.5ft (2.3m) | 10s |
| Evening (07 May) | 7.5ft (2.3m) | 10s |
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 8mm), mostly falling on Sat afternoon. Warm (max 28°C on Thu morning, min 26°C on Sat afternoon). Winds decreasing (fresh winds from the E on Fri morning, light winds from the ESE by Sat night). | ||||||||||||||||||||||||
Thursday 7 | Friday 8 | Saturday 9 | Sun 10 | |||||||||||||||||||||
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 | 7 PM | 10 PM | 1 AM | 4 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
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 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | |
1207 | 1102 | 1079 | 983 | 963 | 963 | 1021 | 1016 | 942 | 942 | 861 | 859 | 718 | 734 | 750 | 766 | 771 | 787 | 771 | 700 | 632 | 646 | 660 | 646 | |
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 | off | off | cross-off | cross-off | |
High Tide | 9:22AM0.78m | 1:23AM0.81m | 9:59AM0.76m | 2:14AM0.82m | 10:49AM0.73m | 2:56AM0.83m | ||||||||||||||||||
Low Tide | 5:13AM0.69m | 5:19PM0.17m | 6:13AM0.70m | 6:04PM0.21m | 7:30AM0.69m | 6:53PM0.25m | ||||||||||||||||||
 |  | | |  | | | | | | | | | | |  | |  |  | | | | |  | |
 | 5:56 | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 |
 | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | 6:37 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | — | 1 | 3 | 1 | — | — | |
Temp °C | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 27 |
26 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 28 | 26 | 29 | 28 | 28 | |
Swell 1 Height (m) Direction Period (s) | N 10 | N 9 | N 9 | N 9 | N 10 | N 10 | NW 10 | NW 9 | SSE 7 | SSE 7 | SSE 7 | NW 8 | SSE 6 | N 11 | N 10 | N 10 | S 6 | S 6 | S 6 | S 6 | N 9 | N 9 | N 9 | N 9 |
 kJ | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 3 | 15 | 26 | 15 | 3 | 13 | 2 | 8 | 8 | 7 | 7 | 7 | 3 | 6 | 6 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | — | — | N 11 | N 11 | N 12 | N 12 | — | N 12 | NW 9 | NW 9 | NW 9 | N 11 | NW 8 | NW 8 | NW 8 | NW 8 | N 10 | N 9 | N 10 | N 10 | S 6 | S 6 | S 6 | S 6 |
| kJ | — | — | 2 | 2 | 3 | 3 | — | 3 | 3 | 3 | 3 | 2 | 3 | 3 | 2 | 2 | 8 | 7 | 7 | 7 | 3 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 11 | N 12 | N 12 | N 12 | S 10 | N 11 | — | — | — | NW 7 | S 8 | S 8 | S 8 | S 12 | S 12 | S 11 | S 11 |
| kJ | — | — | — | — | — | — | — | 2 | 3 | 3 | 3 | 2 | 2 | — | — | — | 2 | 1 | 1 | 1 | 3 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | 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 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 |
| kJ | 1207 | 1102 | 1079 | 983 | 963 | 963 | 1021 | 1016 | 942 | 942 | 861 | 859 | 718 | 734 | 750 | 766 | 771 | 787 | 771 | 700 | 632 | 646 | 660 | 646 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1836 | 1836 | 1837 | 1836 | 1836 | 1836 | 1836 | 1836 | 1836 | 1836 | 1905 | 1905 | 1905 | 1858 | 1836 | 1836 | 1836 | 1290 | 1290 | 1290 | 0 | 0 | 1290 | 1290 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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