Surf Forecasts:
How big are the waves at Boat Basin Lefts today (28 Aug):
- Morning surf: Morning surf (28 Aug, local time) - 2ft (0.6m), 13s period with ENE swell.
- Afternoon surf: Afternoon surf (28 Aug, local time) - 2ft (0.6m), 12s period with ENE swell.
- Evening surf: Evening surf (28 Aug, local time) - 2ft (0.6m), 12s period with ENE swell.
The current surf forecast for Boat Basin Lefts at 2AM is: 0.5m 11s primary swell from a East-northeast direction (forecast issued at 09:00pm August 27). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Aug) | 2ft (0.6m) | 13s |
| Afternoon (28 Aug) | 2ft (0.6m) | 12s |
| Evening (28 Aug) | 2ft (0.6m) | 12s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 50mm), heaviest during Sun morning. Warm (max 28°C on Thu night, min 25°C on Sun morning). Wind will be generally light. | ||||||||||||||||||
Thu 27 | Friday 28 | Saturday 29 | ||||||||||||||||
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 11 | ENE 11 | ENE 11 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | W 7 | ENE 12 | ENE 11 | ENE 11 | ENE 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 79 | 64 | 64 | 154 | 151 | 93 | 101 | 99 | 99 | 99 | 127 | 123 | 121 | 110 | 88 | 82 | 79 | 78 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | glassy | cross-off | glassy | cross | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on |
High Tide | 8:21PM0.85m | 6:53AM0.85m | 8:41PM0.87m | 7:43AM0.85m | 9:00PM0.88m | |||||||||||||
Low Tide | 1:40AM0.58m | 1:49PM0.19m | 2:17AM0.52m | 2:24PM0.24m | ||||||||||||||
 | |  | |  | |  | | | | | |  | | | | | | |
 | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:34 | — | — |
mm | — | — | 1 | — | 1 | 3 | — | 2 | 1 | 3 | — | — | 6 | 4 | 2 | 1 | 1 | 1 |
Temp °C | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 31 | 32 | 33 | 31 | 32 | 31 | 30 | 29 | 29 | 28 | 30 | 31 | 29 | 30 | 29 | 30 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | ENE 12 | ENE 12 | W 7 | W 7 | WSW 7 | WSW 7 | WSW 7 |
| kJ | 81 | 73 | 61 | 61 | 61 | 61 | 59 | 53 | 62 | 42 | 65 | 123 | 121 | 110 | 94 | 84 | 84 | 84 |
Swell 2 Height (m) Direction Period (s) | ENE 11 | ENE 11 | ENE 11 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | SSW 7 | SSW 7 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | WNW 9 |
| kJ | 79 | 64 | 64 | 154 | 151 | 93 | 101 | 99 | 99 | 99 | 127 | 31 | 30 | 90 | 88 | 82 | 79 | 66 |
Swell 3 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | SSE 9 | SSE 9 | SSE 9 | NW 9 | NW 9 | NW 9 | SE 10 | WNW 9 | WNW 9 | ENE 11 |
| kJ | 34 | 33 | 47 | 46 | 33 | 31 | 31 | 30 | 32 | 32 | 33 | 12 | 12 | 13 | 15 | 15 | 45 | 78 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 3 | WNW 3 | WNW 3 | W 7 | W 7 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 2 | 4 | 4 | 61 | 77 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 11 | 11 | 0 | 0 | 0 | 11 | 11 | 11 | 11 | 11 | 1836 | 11 | 11 | 11 | 11 | 11 | 1836 | 11 |
Best forecast wave conditions in Guam | ||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||
Header Global | ||||||||||||||||||
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