Surf Forecasts:
How big are the waves at Boat Basin Lefts today (19 Oct):
- Morning surf: Morning surf (19 Oct, local time) - 2.5ft (0.8m), 9s period with ENE swell.
- Afternoon surf: Afternoon surf (19 Oct, local time) - 2.5ft (0.8m), 11s period with W swell.
- Evening surf: Evening surf (19 Oct, local time) - 2ft (0.6m), 11s period with W swell.
The current surf forecast for Boat Basin Lefts at 2PM is: 0.8m 9s primary swell from a East-northeast direction (forecast issued at 09:00am October 19). An open ocean swell of 1.4m 10s is not directed at the surf break, a second open ocean swell of 2.3m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Oct) | 2.5ft (0.8m) | 9s |
| Afternoon (19 Oct) | 2.5ft (0.8m) | 11s |
| Evening (19 Oct) | 2ft (0.6m) | 11s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Mon morning. Warm (max 28°C on Tue morning, min 25°C on Wed night). Winds decreasing (fresh winds from the SSE on Mon morning, light winds from the ENE by Tue night). | ||||||||||||||||||||||
Monday 19 | Tuesday 20 | Wednesday 21 | ||||||||||||||||||||
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) | ENE 9 | ENE 9 | ENE 9 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | W 11 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 94 | 92 | 90 | 151 | 81 | 84 | 116 | 114 | 114 | 196 | 237 | 121 | 154 | 116 | 116 | 121 | 164 | 164 | 164 | 205 | 205 | 251 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 3:46PM0.78m | 00:16AM0.70m | 4:25PM0.80m | 2:04AM0.68m | 4:53PM0.82m | |||||||||||||||||
Low Tide | 7:25AM0.27m | 9:06PM0.67m | 8:25AM0.30m | 10:12PM0.63m | 9:24AM0.33m | |||||||||||||||||
 | | | |  | | | | |  | |  |  | |  | | | | | | | | |
 | 6:11 | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | 6:00 | — | — | — | — | — | — | — | 5:59 | — | — | — | — | — | — | — | 5:58 | — | — |
mm | 3 | 3 | 2 | 1 | 2 | 1 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 26 | 26 |
Feels °C | 26 | 26 | 27 | 28 | 29 | 28 | 29 | 30 | 30 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 29 | 29 | 30 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | WSW 10 | SW 9 | WSW 10 | WSW 10 | SW 10 | SW 9 | SSW 9 | SW 9 | SSW 9 | SW 9 | SW 9 | SW 9 | SW 9 | WSW 9 | SW 9 | WSW 9 | WSW 9 | ENE 8 | ENE 9 | W 11 |
| kJ | 384 | 580 | 457 | 258 | 261 | 261 | 334 | 367 | 495 | 382 | 311 | 307 | 307 | 266 | 260 | 211 | 182 | 165 | 154 | 137 | 144 | 251 |
Swell 2 Height (m) Direction Period (s) | WSW 11 | ENE 9 | ENE 9 | W 11 | ENE 9 | ENE 9 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | NE 8 | NE 8 | NE 8 | ENE 9 | ENE 8 | ENE 8 | WSW 9 | WNW 11 | WSW 8 |
| kJ | 387 | 92 | 90 | 151 | 70 | 70 | 116 | 114 | 114 | 196 | 237 | 121 | 154 | 74 | 74 | 105 | 94 | 92 | 113 | 145 | 205 | 92 |
Swell 3 Height (m) Direction Period (s) | ENE 9 | NNE 10 | NNE 10 | ENE 9 | W 11 | W 11 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | W 11 | W 11 | W 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WSW 9 | NE 9 |
| kJ | 94 | 20 | 19 | 70 | 81 | 84 | 70 | 70 | 70 | 70 | 70 | 68 | 68 | 116 | 116 | 121 | 164 | 164 | 164 | 205 | 136 | 83 |
Wind waves Height (m) Direction Period (s) | SSE 9 | SSE 9 | S 9 | S 8 | S 8 | S 8 | SSE 8 | SSE 7 | SE 7 | ESE 7 | — | ESE 7 | — | — | — | — | — | ENE 3 | ENE 3 | — | — | ENE 8 |
| kJ | 1232 | 1004 | 879 | 666 | 476 | 422 | 291 | 169 | 46 | 29 | — | 18 | — | — | — | — | — | 1 | 2 | — | — | 90 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 1836 | 1836 | 2064 | 2064 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 20 | 20 | 1836 | 1908 | 2055 | 1290 | 1290 |
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