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Surf Forecasts:
Boat Basin Lefts surfForecast / Guam / Guam
48hr Weather and Surf, issued 3 pm Monday 01 Jun 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
28.8° C
(Which is normal for this time of year)How big are the waves at Boat Basin Lefts today (01 Jun):
- Afternoon surf: Afternoon surf (01 Jun, local time) - 3.5ft (1.1m), 9s period with E swell.
- Evening surf: Evening surf (01 Jun, local time) - 3.5ft (1.0m), 9s period with E swell.
The current surf forecast for Boat Basin Lefts at 11PM is: 1.0m 9s primary swell from a East direction and 0.8m 10s secondary swell from a West direction, 0.4m 11s secondary swell from a Northeast direction (forecast issued at 03:00pm June 01). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Jun) | - | - |
| Afternoon (01 Jun) | 3.5ft (1.1m) | 9s |
| Evening (01 Jun) | 3.5ft (1.0m) | 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 2mm), mostly falling on Tue night. Warm (max 29°C on Mon afternoon, min 26°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 1 | Tuesday 2 | Wednesday 3 | Thu 4 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
W 10 | E 9 | W 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | WNW 11 | WNW 11 | WNW 11 | ENE 9 | ENE 9 | ENE 9 | |
127 | 202 | 138 | 164 | 164 | 168 | 168 | 168 | 136 | 133 | 130 | 130 | 138 | 135 | 132 | 135 | 135 | 135 | 106 | 106 | 106 | 106 | 106 | 106 | |
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 | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 10:01PM0.86m | 7:18AM0.83m | 10:42PM0.85m | 7:53AM0.82m | 11:23PM0.85m | 8:29AM0.81m | ||||||||||||||||||
Low Tide | 2:20PM0.08m | 2:50AM0.69m | 2:58PM0.08m | 3:29AM0.69m | 3:36PM0.09m | 4:12AM0.69m | ||||||||||||||||||
 | |  | | | | | | | | | | |  | | |  | | | | | | | | |
 | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
 | — | 6:44 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | 6:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 27 | 27 | 26 | 27 | 28 |
30 | 30 | 30 | 29 | 30 | 30 | 31 | 30 | 32 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 31 | 32 | 32 | 30 | 31 | 29 | 30 | 31 | |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
 kJ | 127 | 162 | 138 | 133 | 164 | 168 | 168 | 168 | 136 | 133 | 130 | 130 | 138 | 135 | 132 | 135 | 135 | 135 | 106 | 106 | 106 | 106 | 106 | 106 |
Swell 2 Height (m) Direction Period (s) | E 9 | NE 11 | E 9 | NE 11 | W 10 | W 10 | W 10 | W 10 | WNW 10 | WNW 10 | WNW 10 | W 10 | WNW 10 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 64 | 30 | 61 | 29 | 100 | 96 | 71 | 71 | 78 | 86 | 86 | 50 | 85 | 91 | 91 | 90 | 99 | 101 | 103 | 101 | 99 | 97 | 94 | 67 |
Swell 3 Height (m) Direction Period (s) | NE 11 | SE 10 | NE 11 | SW 7 | NE 11 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 7 | WNW 12 | WSW 7 | WSW 7 | SE 12 | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 |
| kJ | 30 | 4 | 30 | 12 | 29 | 16 | 15 | 14 | 11 | 11 | 11 | 28 | 10 | 10 | 21 | 21 | 21 | 20 | 19 | 19 | 18 | 18 | 18 | 18 |
Wind waves Height (m) Direction Period (s) | E 6 | E 9 | E 6 | E 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 66 | 202 | 66 | 164 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1290 | 1290 | 1290 | 1290 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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