Surf Forecasts:
How big are the waves at Boat Basin Lefts today (09 Sep):
- Morning surf: Morning surf (09 Sep, local time) - 3ft (0.9m), 10s period with WNW swell.
- Afternoon surf: Afternoon surf (09 Sep, local time) - 3.5ft (1.1m), 9s period with NW swell.
- Evening surf: Evening surf (09 Sep, local time) - 3.5ft (1.1m), 9s period with NW swell.
The current surf forecast for Boat Basin Lefts at 6PM is: 1.1m 9s primary swell from a Northwest direction and 0.4m 12s secondary swell from a North-northeast direction (forecast issued at 09:00am September 09). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Sep) | 3ft (0.9m) | 10s |
| Afternoon (09 Sep) | 3.5ft (1.1m) | 9s |
| Evening (09 Sep) | 3.5ft (1.1m) | 9s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Wed morning. Warm (max 29°C on Wed morning, min 27°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | ||||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | NW 9 | NW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 163 | 163 | 163 | 198 | 190 | 172 | 127 | 124 | 107 | 98 | 96 | 94 | 94 | 138 | 144 | 144 | 136 | 132 | 132 | 184 | 195 | 198 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off |
High Tide | 4:51AM0.86m | 7:18PM0.89m | 6:01AM0.87m | 7:46PM0.90m | 7:04AM0.88m | 8:11PM0.90m | ||||||||||||||||
Low Tide | 12:11PM0.13m | 00:47AM0.57m | 12:58PM0.17m | 1:31AM0.48m | 1:42PM0.23m | |||||||||||||||||
 |  |  | |  | |  |  | | | | | | | | | | | | | | | |
 | 6:09 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:24 | — | — |
mm | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 27 |
Feels °C | 30 | 29 | 30 | 31 | 31 | 31 | 31 | 30 | 30 | 32 | 32 | 32 | 31 | 32 | 31 | 31 | 31 | 32 | 32 | 32 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | NW 9 | NW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 14 | E 14 |
| kJ | 163 | 163 | 163 | 198 | 190 | 172 | 127 | 124 | 84 | 82 | 76 | 75 | 75 | 75 | 84 | 76 | 75 | 59 | 76 | 61 | 195 | 198 |
Swell 2 Height (m) Direction Period (s) | NNE 12 | NNE 12 | NNE 12 | ENE 9 | NNE 12 | ENE 9 | ENE 15 | ENE 15 | ENE 8 | ENE 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | E 14 | E 14 | E 14 | E 14 | E 14 | ENE 8 | ENE 8 |
| kJ | 50 | 49 | 48 | 28 | 46 | 44 | 72 | 71 | 82 | 78 | 80 | 72 | 70 | 53 | 51 | 144 | 136 | 132 | 132 | 184 | 62 | 61 |
Swell 3 Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | NNE 12 | ENE 9 | NNE 12 | NNE 12 | NNE 11 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | W 8 | W 8 | W 8 | W 8 | W 7 | W 7 | WNW 7 |
| kJ | 28 | 28 | 28 | 47 | 28 | 46 | 45 | 42 | 107 | 98 | 96 | 94 | 94 | 138 | 144 | 44 | 44 | 29 | 29 | 17 | 17 | 18 |
Wind waves Height (m) Direction Period (s) | NNW 3 | N 3 | N 4 | NE 9 | ENE 4 | NE 9 | ENE 9 | ENE 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 5 | 10 | 79 | 2 | 77 | 67 | 86 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 1958 | 1958 | 2067 | 2064 | 2064 | 2064 | 2064 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1836 | 1836 | 1836 | 0 | 0 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||
Header Global | ||||||||||||||||||||||
- Map Icons:
Break
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
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.
Nearest