Surf Forecasts:
How big are the waves at Boat Basin Lefts today (12 Oct):
- Morning surf: Morning surf (12 Oct, local time) - 3ft (0.9m), 10s period with N swell.
- Afternoon surf: Afternoon surf (12 Oct, local time) - 3.5ft (1.0m), 11s period with N swell.
- Evening surf: Evening surf (12 Oct, local time) - 3.5ft (1.0m), 10s period with N swell.
The current surf forecast for Boat Basin Lefts at 3PM is: 1.0m 11s primary swell from a North direction and 0.4m 9s secondary swell from a East-northeast direction (forecast issued at 09:00am October 12). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Oct) | 3ft (0.9m) | 10s |
| Afternoon (12 Oct) | 3.5ft (1.0m) | 11s |
| Evening (12 Oct) | 3.5ft (1.0m) | 10s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue morning. Warm (max 28°C on Mon morning, min 25°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||
Monday 12 | Tuesday 13 | Wednesday 14 | ||||||||||||||||||||
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) | N 10 | N 10 | NNE 11 | N 11 | N 10 | N 10 | N 11 | N 11 | N 11 | N 10 | N 10 | N 10 | N 10 | N 9 | N 9 | N 9 | N 9 | N 9 | N 8 | N 8 | N 8 | ENE 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 202 | 160 | 217 | 275 | 212 | 212 | 229 | 227 | 223 | 171 | 159 | 121 | 116 | 85 | 81 | 58 | 78 | 56 | 51 | 51 | 51 | 62 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | cross-on | cross-on | cross-on | glassy | cross | glassy | cross-off | cross-off | cross | cross-off | glassy | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 9:05AM0.88m | 7:58PM0.87m | 9:54AM0.87m | 8:22PM0.85m | 10:43AM0.84m | 8:48PM0.83m | ||||||||||||||||
Low Tide | 2:35PM0.54m | 2:55AM0.15m | 3:13PM0.59m | 3:30AM0.14m | 3:50PM0.62m | |||||||||||||||||
 | | |  |  | | | | | |  | | | | | | | | | | | | |
 | 6:11 | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 28 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 26 | 26 |
Feels °C | 32 | 31 | 31 | 31 | 30 | 31 | 31 | 30 | 30 | 32 | 31 | 31 | 32 | 30 | 31 | 30 | 29 | 30 | 30 | 31 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | N 10 | N 10 | NNE 11 | N 11 | N 10 | N 10 | N 11 | N 11 | N 11 | N 10 | N 10 | N 10 | N 10 | N 9 | N 9 | N 9 | N 9 | N 9 | N 8 | N 8 | N 8 | ENE 9 |
| kJ | 202 | 159 | 217 | 275 | 212 | 212 | 229 | 227 | 223 | 171 | 159 | 121 | 116 | 85 | 81 | 58 | 78 | 56 | 51 | 51 | 51 | 62 |
Swell 2 Height (m) Direction Period (s) | NE 12 | NNE 11 | N 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | N 8 |
| kJ | 140 | 160 | 69 | 32 | 32 | 32 | 32 | 30 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 49 | 47 | 46 | 51 |
Swell 3 Height (m) Direction Period (s) | SSW 6 | SW 6 | ENE 9 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | SW 6 | ENE 10 | NE 10 | ENE 10 | ESE 9 | ENE 13 | ENE 13 | ENE 13 |
| kJ | 12 | 15 | 33 | 11 | 12 | 9 | 9 | 9 | 9 | 6 | 6 | 6 | 5 | 3 | 5 | 20 | 25 | 20 | 8 | 16 | 17 | 18 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 229 | 16 | 16 | 11 | 0 | 16 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||
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