Surf Forecasts:
How big are the waves at Boat Basin Lefts today (11 Oct):
- Morning surf: Morning surf (11 Oct, local time) - 3.5ft (1.0m), 12s period with N swell.
- Afternoon surf: Afternoon surf (11 Oct, local time) - 3.5ft (1.1m), 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 5AM is: 0.9m 11s primary swell from a East-northeast direction and 0.8m 10s secondary swell from a North direction, 0.4m 4s secondary swell from a North-northwest direction (forecast issued at 09:00pm October 10). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Oct) | 3.5ft (1.0m) | 12s |
| Afternoon (11 Oct) | 3.5ft (1.1m) | 11s |
| Evening (11 Oct) | 3.5ft (1.0m) | 11s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sat night. Warm (max 28°C on Sun morning, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Sat 10 | Sunday 11 | Monday 12 | ||||||||||||||||
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 11 | ENE 11 | ENE 11 | N 12 | N 11 | N 11 | N 11 | N 11 | N 11 | N 10 | N 10 | N 10 | NNE 11 | N 10 | N 10 | N 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 324 | 330 | 247 | 265 | 200 | 266 | 279 | 231 | 231 | 227 | 223 | 210 | 164 | 159 | 217 | 270 | 265 | 214 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | glassy |
High Tide | 7:09PM0.89m | 8:14AM0.87m | 7:34PM0.88m | 9:05AM0.88m | 7:58PM0.87m | |||||||||||||
Low Tide | 1:45AM0.25m | 1:57PM0.48m | 2:20AM0.19m | 2:35PM0.54m | ||||||||||||||
 | | |  |  | | | | |  | | | | |  | | | | |
 | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:04 | — | — |
mm | 4 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 26 | 26 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 30 | 30 | 29 | 31 | 30 | 31 | 30 | 31 | 31 | 31 | 31 | 32 | 31 | 30 | 31 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | N 12 | N 11 | N 11 | N 11 | N 11 | N 11 | N 10 | N 10 | N 10 | NNE 11 | N 10 | N 10 | N 10 |
| kJ | 324 | 330 | 247 | 265 | 200 | 266 | 279 | 231 | 231 | 227 | 223 | 210 | 164 | 159 | 217 | 270 | 265 | 214 |
Swell 2 Height (m) Direction Period (s) | N 11 | N 11 | N 10 | N 10 | N 10 | ENE 11 | NE 11 | NE 12 | NE 12 | NE 12 | NE 11 | NE 12 | NE 12 | NNE 11 | N 10 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 110 | 110 | 136 | 128 | 123 | 154 | 123 | 172 | 139 | 167 | 150 | 142 | 140 | 140 | 69 | 32 | 32 | 32 |
Swell 3 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 6 | SW 6 | NNE 12 | SSW 6 | SW 6 | SSW 6 | WSW 6 | SW 6 | SSW 6 | SW 6 | SSW 6 | SSW 6 | SW 6 | SW 6 | SW 6 | SW 6 |
| kJ | 36 | 35 | 34 | 32 | 109 | 25 | 18 | 24 | 7 | 12 | 13 | 12 | 13 | 12 | 15 | 16 | 12 | 9 |
Wind waves Height (m) Direction Period (s) | N 4 | WSW 6 | — | NNW 4 | NNW 4 | NNW 4 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 13 | 74 | — | 5 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 229 | 229 | 229 | 16 | 11 | 16 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||
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