Surf Forecasts:
How big are the waves at Boat Basin Lefts today (29 Aug):
- Morning surf: Morning surf (29 Aug, local time) - 2ft (0.6m), 12s period with ENE swell.
- Afternoon surf: Afternoon surf (29 Aug, local time) - 3.5ft (1.0m), 7s period with W swell.
- Evening surf: Evening surf (29 Aug, local time) - 3.5ft (1.0m), 7s period with W swell.
The current surf forecast for Boat Basin Lefts at 3AM is: 0.7m 12s primary swell from a East-northeast direction and 0.4m 3s secondary swell from a West-northwest direction (forecast issued at 09:00pm August 28). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Aug) | 2ft (0.6m) | 12s |
| Afternoon (29 Aug) | 3.5ft (1.0m) | 7s |
| Evening (29 Aug) | 3.5ft (1.0m) | 7s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 25mm), heaviest during Sun night. Warm (max 28°C on Fri night, min 26°C on Sun afternoon). Wind will be generally light. | ||||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | ||||||||||||||||
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 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | W 7 | W 7 | W 7 | ENE 11 | NW 9 | NE 11 | NE 11 | W 8 | W 8 | W 8 | W 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 99 | 131 | 127 | 123 | 91 | 90 | 94 | 94 | 110 | 88 | 78 | 77 | 56 | 55 | 92 | 134 | 130 | 103 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | cross-on | on | cross-on | cross-on | on | on | cross-on | on | on | on |
High Tide | 8:41PM0.87m | 7:43AM0.85m | 9:00PM0.88m | 8:35AM0.85m | 9:20PM0.89m | |||||||||||||
Low Tide | 2:17AM0.52m | 2:24PM0.24m | 2:55AM0.45m | 2:58PM0.30m | ||||||||||||||
 | | |  |  | | | |  | | | |  |  | | | | | |
 | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:34 | — | — |
mm | — | — | — | 1 | 1 | 3 | 2 | 1 | — | 1 | 1 | 1 | — | — | 2 | 1 | — | — |
Temp °C | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 27 |
Feels °C | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 30 | 31 | 29 | 29 | 29 | 29 | 28 | 27 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | W 7 | W 7 | W 7 | W 7 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | W 8 | W 8 | W 8 | W 8 |
| kJ | 66 | 62 | 68 | 79 | 79 | 79 | 94 | 94 | 110 | 88 | 79 | 73 | 65 | 60 | 92 | 134 | 130 | 103 |
Swell 2 Height (m) Direction Period (s) | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | NW 9 | NW 8 | NW 8 | ENE 11 | ENE 10 | ENE 10 | ENE 10 |
| kJ | 99 | 131 | 127 | 123 | 91 | 90 | 88 | 82 | 79 | 78 | 78 | 77 | 54 | 55 | 44 | 43 | 42 | 41 |
Swell 3 Height (m) Direction Period (s) | NW 9 | SSE 9 | SE 9 | NW 9 | NW 9 | SE 9 | SE 10 | SE 10 | NW 9 | WNW 8 | NW 9 | NE 11 | NE 11 | NE 11 | WNW 8 | SE 9 | SE 9 | NW 10 |
| kJ | 31 | 32 | 22 | 12 | 12 | 14 | 25 | 15 | 13 | 19 | 21 | 57 | 56 | 55 | 26 | 14 | 14 | 26 |
Wind waves Height (m) Direction Period (s) | — | — | — | WNW 3 | — | — | NNW 3 | — | — | — | NW 8 | — | — | — | — | N 3 | — | NW 4 |
| kJ | — | — | — | 4 | — | — | 4 | — | — | — | 35 | — | — | — | — | 3 | — | 13 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 11 | 11 | 11 | 11 | 1836 | 1836 | 1836 | 1836 | 1836 | 1836 | 1836 | 1836 | 11 | 11 | 2064 | 2064 | 11 | 11 |
Best forecast wave conditions in Guam | ||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||
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