Surf Forecasts:
How big are the waves at Boat Basin Lefts today (11 Oct):
- Afternoon surf: Afternoon surf (11 Oct, local time) - 3.5ft (1.0m), 11s period with N swell.
- Evening surf: Evening surf (11 Oct, local time) - 3.5ft (1.0m), 11s period with N swell.
The current surf forecast for Boat Basin Lefts at 11PM is: 1.0m 11s primary swell from a North direction and 0.8m 12s secondary swell from a Northeast direction (forecast issued at 03:00pm October 11). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Oct) | - | - |
| Afternoon (11 Oct) | 3.5ft (1.0m) | 11s |
| Evening (11 Oct) | 3.5ft (1.0m) | 11s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Tue afternoon. Warm (max 28°C on Sun afternoon, min 25°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Sun 11 | Monday 12 | Tuesday 13 | ||||||||||||||||||
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 11 | N 11 | N 11 | N 11 | N 11 | N 10 | 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 |
Wave Graph  | ||||||||||||||||||||
 kJ | 279 | 231 | 231 | 227 | 181 | 171 | 202 | 160 | 217 | 275 | 212 | 212 | 229 | 227 | 223 | 174 | 164 | 125 | 118 | 87 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | glassy | glassy | glassy | off | off | off | off | cross-off | off | cross-off |
High Tide | 7:34PM0.88m | 9:05AM0.88m | 7:58PM0.87m | 9:54AM0.87m | 8:22PM0.85m | |||||||||||||||
Low Tide | 1:57PM0.48m | 2:20AM0.19m | 2:35PM0.54m | 2:55AM0.15m | 3:13PM0.59m | |||||||||||||||
 | |  |  | | |  | | | | | | | | | | |  | | | |
 | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | 6:04 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 27 | 27 | 27 |
Feels °C | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 32 | 31 | 30 | 30 | 31 | 32 | 31 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | N 11 | N 11 | N 11 | N 11 | N 11 | N 10 | 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 |
| kJ | 279 | 231 | 231 | 227 | 181 | 171 | 202 | 159 | 217 | 275 | 212 | 212 | 229 | 227 | 223 | 174 | 164 | 125 | 118 | 87 |
Swell 2 Height (m) Direction Period (s) | NE 11 | NE 12 | NE 12 | NE 12 | NE 11 | NE 12 | 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 |
| kJ | 121 | 172 | 139 | 167 | 150 | 142 | 140 | 160 | 69 | 32 | 32 | 32 | 32 | 30 | 29 | 28 | 28 | 28 | 28 | 28 |
Swell 3 Height (m) Direction Period (s) | SSW 6 | SSW 6 | SW 6 | SW 6 | SSW 6 | SW 6 | SW 6 | SW 6 | ENE 9 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | SW 6 | WSW 6 | WSW 6 | WSW 6 |
| kJ | 24 | 24 | 9 | 12 | 13 | 12 | 15 | 15 | 33 | 11 | 13 | 9 | 9 | 9 | 6 | 4 | 6 | 4 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 11 | 11 | 11 | 11 | 11 | 229 | 229 | 229 | 16 | 16 | 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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