Surf Forecasts:
How big are the waves at Boat Basin Lefts today (10 Oct):
- Morning surf: Morning surf (10 Oct, local time) - 4ft (1.2m), 12s period with ENE swell.
- Afternoon surf: Afternoon surf (10 Oct, local time) - 3ft (0.9m), 12s period with ENE swell.
- Evening surf: Evening surf (10 Oct, local time) - 3.5ft (1.1m), 12s period with ENE swell.
The current surf forecast for Boat Basin Lefts at 9AM is: 1.2m 12s primary swell from a East-northeast direction and 0.4m 4s secondary swell from a North direction (forecast issued at 03:00am October 10). An open ocean swell of 0.7m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Oct) | 4ft (1.2m) | 12s |
| Afternoon (10 Oct) | 3ft (0.9m) | 12s |
| Evening (10 Oct) | 3.5ft (1.1m) | 12s |
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 Sat afternoon, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 10 | Sunday 11 | Monday 12 | ||||||||||||||||||||||
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 | 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 14 | ENE 13 | ENE 13 | NE 12 | ENE 12 | ENE 12 | 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 | 621 | 465 | 458 | 341 | 299 | 239 | 324 | 330 | 247 | 265 | 200 | 274 | 279 | 231 | 227 | 227 | 227 | 174 | 159 | 164 | 133 | 212 | 208 | 198 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | on | on | on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | glassy | on | on | on | cross-on | glassy |
High Tide | 7:20AM0.86m | 7:09PM0.89m | 8:14AM0.87m | 7:34PM0.88m | 9:05AM0.88m | 7:58PM0.87m | ||||||||||||||||||
Low Tide | 1:09AM0.33m | 1:16PM0.42m | 1:45AM0.25m | 1:57PM0.48m | 2:20AM0.19m | 2:35PM0.54m | ||||||||||||||||||
 | |  | |  | | | |  |  | | | |  | | | | | | | | | | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:04 | — | — |
mm | 1 | 2 | 3 | 1 | — | — | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 30 | 30 | 29 | 30 | 29 | 31 | 30 | 31 | 30 | 30 | 30 | 31 | 30 | 30 | 30 | 31 | 30 | 29 | 30 | 31 | 31 | 31 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | ENE 14 | ENE 13 | ENE 13 | NE 12 | ENE 12 | ENE 12 | 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 | 621 | 465 | 458 | 341 | 299 | 239 | 324 | 330 | 247 | 265 | 200 | 274 | 279 | 231 | 227 | 227 | 227 | 174 | 159 | 164 | 133 | 212 | 208 | 198 |
Swell 2 Height (m) Direction Period (s) | SW 6 | SW 6 | N 10 | SW 6 | N 10 | N 11 | N 11 | N 11 | N 10 | N 10 | N 10 | ENE 11 | NE 11 | NE 12 | NE 11 | NE 11 | NE 11 | NE 11 | NNE 11 | NNE 11 | N 10 | NE 9 | ENE 9 | SW 6 |
| kJ | 49 | 47 | 175 | 40 | 123 | 141 | 110 | 110 | 104 | 130 | 94 | 154 | 121 | 142 | 123 | 119 | 147 | 145 | 151 | 105 | 98 | 41 | 32 | 18 |
Swell 3 Height (m) Direction Period (s) | N 11 | N 11 | SW 6 | N 10 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | S 6 | SW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SW 6 | SW 6 | SW 6 | ENE 9 |
| kJ | 143 | 110 | 47 | 94 | 43 | 36 | 28 | 35 | 34 | 18 | 31 | 25 | 23 | 23 | 23 | 12 | 23 | 23 | 25 | 25 | 18 | 18 | 18 | 32 |
Wind waves Height (m) Direction Period (s) | — | — | — | N 4 | NNW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 5 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 0 | 20 | 11 | 11 | 11 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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