Surf Forecasts:
How big are the waves at Boat Basin Lefts today (24 Aug):
- Afternoon surf: Afternoon surf (24 Aug, local time) - 3ft (0.9m), 11s period with NNW swell.
- Evening surf: Evening surf (24 Aug, local time) - 2.5ft (0.8m), 10s period with NNW swell.
The current surf forecast for Boat Basin Lefts at 7PM is: 0.9m 11s primary swell from a North-northwest direction (forecast issued at 03:00pm August 24). An open ocean swell of 1.4m 9s is not directed at the surf break, a second open ocean swell of 1.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Aug) | - | - |
| Afternoon (24 Aug) | 3ft (0.9m) | 11s |
| Evening (24 Aug) | 2.5ft (0.8m) | 10s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 26mm), heaviest during Mon afternoon. Warm (max 29°C on Mon afternoon, min 27°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Mon 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||||||
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) | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | ENE 14 | ENE 13 | W 10 | W 9 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | W 8 | ENE 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 206 | 161 | 161 | 125 | 90 | 143 | 141 | 484 | 375 | 135 | 133 | 131 | 129 | 86 | 83 | 87 | 84 | 81 | 79 | 78 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 7:12PM0.79m | 4:06AM0.79m | 7:38PM0.81m | 5:07AM0.81m | 8:01PM0.83m | |||||||||||||||
Low Tide | 11:11AM0.20m | 11:37PM0.69m | 11:57AM0.17m | 00:23AM0.66m | 12:37PM0.16m | |||||||||||||||
 | |  | |  |  | | | | | | | | |  | | | | | | |
 | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:36 | — | — |
mm | 2 | 3 | 2 | 1 | — | — | 1 | 3 | 1 | 1 | 3 | 1 | 1 | 3 | — | — | 2 | 2 | — | — |
Temp °C | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 31 | 32 | 32 | 31 | 31 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | NNW 11 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | W 10 | W 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 |
| kJ | 206 | 302 | 340 | 561 | 637 | 657 | 657 | 484 | 375 | 374 | 300 | 250 | 202 | 95 | 122 | 123 | 123 | 123 | 99 | 99 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SW 8 | SW 8 | SSE 8 | NNW 10 | NNW 10 | ENE 13 | SSW 9 | SW 8 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | W 8 | ENE 12 | ENE 12 | NW 12 | NW 11 | NW 11 | NW 11 |
| kJ | 85 | 153 | 154 | 78 | 90 | 94 | 141 | 135 | 75 | 135 | 133 | 131 | 129 | 80 | 83 | 82 | 84 | 77 | 75 | 73 |
Swell 3 Height (m) Direction Period (s) | SE 9 | NNW 11 | NNW 11 | NNW 10 | S 8 | ENE 14 | NNW 10 | ENE 13 | ENE 13 | NNW 10 | NNW 10 | NW 10 | NW 10 | ENE 12 | W 8 | NW 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 |
| kJ | 42 | 161 | 161 | 125 | 41 | 143 | 71 | 139 | 137 | 38 | 43 | 52 | 50 | 86 | 29 | 87 | 82 | 81 | 79 | 78 |
Wind waves Height (m) Direction Period (s) | WSW 9 | SW 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 354 | 379 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 229 | 229 | 229 | 229 | 229 | 11 | 229 | 16 | 16 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
Best forecast wave conditions in Guam | ||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||
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