Surf Forecasts:
How big are the waves at Boat Basin Lefts today (01 Aug):
- Morning surf: Morning surf (01 Aug, local time) - 4.5ft (1.3m), 14s period with E swell.
- Afternoon surf: Afternoon surf (01 Aug, local time) - 4.5ft (1.3m), 14s period with ENE swell.
- Evening surf: Evening surf (01 Aug, local time) - 4ft (1.2m), 15s period with ENE swell.
The current surf forecast for Boat Basin Lefts at 3PM is: 1.3m 14s primary swell from a East-northeast direction and 0.3m 9s secondary swell from a North-northeast direction (forecast issued at 09:00am August 01). An open ocean swell of 1.3m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Aug) | 4.5ft (1.3m) | 14s |
| Afternoon (01 Aug) | 4.5ft (1.3m) | 14s |
| Evening (01 Aug) | 4ft (1.2m) | 15s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 43mm), heaviest during Sun afternoon. Warm (max 29°C on Sat morning, min 28°C on Sat afternoon). Mainly strong winds. | ||||||||||||||||||||||
Saturday 1 | Sunday 2 | Monday 3 | ||||||||||||||||||||
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) | E 14 | E 14 | E 14 | ENE 14 | E 14 | ENE 15 | ENE 16 | ENE 16 | ENE 15 | ENE 14 | ENE 16 | ENE 15 | ENE 15 | ENE 14 | ENE 14 | NE 14 | NE 14 | NE 14 | NE 15 | NE 15 | NE 14 | NE 14 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 703 | 713 | 684 | 704 | 480 | 817 | 1038 | 999 | 911 | 911 | 1136 | 1024 | 1038 | 899 | 947 | 857 | 857 | 833 | 767 | 686 | 598 | 676 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:26AM0.83m | 10:24PM0.89m | 9:17AM0.81m | 10:44PM0.89m | 10:13AM0.78m | |||||||||||||||||
Low Tide | 3:25PM0.19m | 4:08AM0.54m | 3:58PM0.26m | 4:51AM0.48m | 4:31PM0.34m | |||||||||||||||||
 | | | |  | | | | | | | | | | | | | | | | | | |
 | 6:05 | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — |
mm | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 3 | 2 | 2 |
Temp °C | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 |
Feels °C | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 28 | 29 | 30 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 27 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | E 14 | E 14 | E 14 | ENE 14 | E 14 | ENE 15 | ENE 16 | ENE 16 | ENE 15 | ENE 14 | ENE 16 | ENE 15 | ENE 15 | ENE 14 | ENE 14 | NE 14 | NE 14 | NE 14 | NE 15 | NE 15 | NE 14 | NE 14 |
| kJ | 703 | 713 | 684 | 704 | 480 | 817 | 1038 | 999 | 911 | 911 | 1136 | 1024 | 1038 | 899 | 947 | 857 | 857 | 833 | 767 | 686 | 598 | 676 |
Swell 2 Height (m) Direction Period (s) | SE 9 | NNE 9 | NNE 9 | NNE 9 | ENE 17 | SE 9 | SE 9 | SE 9 | NE 20 | SSE 9 | SSE 9 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SE 9 | SSE 9 | NE 20 | ENE 14 | ENE 14 |
| kJ | 13 | 17 | 17 | 17 | 237 | 12 | 12 | 12 | 98 | 7 | 7 | 9 | 9 | 9 | 9 | 9 | 8 | 13 | 8 | 61 | 20 | 20 |
Swell 3 Height (m) Direction Period (s) | NNE 9 | SE 9 | SE 9 | SE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | SE 9 | NNE 9 | NNE 9 | NNE 9 | N 8 | NNE 8 | N 8 | E 15 | N 8 | E 15 | E 14 | SSE 9 | SSE 9 | SSE 9 |
| kJ | 16 | 13 | 12 | 12 | 16 | 16 | 16 | 16 | 12 | 8 | 8 | 7 | 6 | 7 | 5 | 4 | 1 | 17 | 16 | 8 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | SW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | WSW 8 | WSW 8 |
| kJ | 112 | 131 | 151 | 162 | 181 | 181 | 186 | 192 | 197 | 231 | 276 | 368 | 368 | 520 | 494 | 481 | 437 | 450 | 452 | 526 | 621 | 728 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 11 | 11 | 11 | 1908 | 11 | 11 | 1836 | 1836 | 1836 | 1836 | 1908 | 1908 | 1908 | 1905 | 1836 | 1905 | 1836 | 1836 | 1836 | 1905 | 1290 | 1858 |
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)
Latest Updates
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