Surf Forecasts:
How big are the waves at Boat Basin Lefts today (07 Oct):
- Morning surf: Morning surf (07 Oct, local time) - 4.5ft (1.3m), 12s period with N swell.
- Afternoon surf: Afternoon surf (07 Oct, local time) - 4.5ft (1.3m), 11s period with N swell.
- Evening surf: Evening surf (07 Oct, local time) - 4ft (1.2m), 11s period with N swell.
The current surf forecast for Boat Basin Lefts at 1AM is: 1.5m 12s primary swell from a North direction (forecast issued at 09:00pm October 06). An open ocean swell of 1.3m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Oct) | 4.5ft (1.3m) | 12s |
| Afternoon (07 Oct) | 4.5ft (1.3m) | 11s |
| Evening (07 Oct) | 4ft (1.2m) | 11s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 79mm), heaviest during Wed night. Warm (max 27°C on Wed night, min 25°C on Wed morning). Winds increasing (light winds from the SW on Thu afternoon, fresh winds from the SSW by Fri morning). | ||||||||||||||||||
Tue 6 | Wednesday 7 | Thursday 8 | ||||||||||||||||
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 12 | N 12 | N 12 | N 12 | N 12 | N 12 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | ENE 16 | ENE 16 | ENE 16 | ENE 18 |
Wave Graph  | ||||||||||||||||||
 kJ | 750 | 638 | 638 | 628 | 529 | 441 | 411 | 350 | 350 | 357 | 295 | 284 | 231 | 184 | 208 | 298 | 422 | 582 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross-on | cross | cross | cross-off |
High Tide | 5:21PM0.86m | 3:52AM0.78m | 5:53PM0.87m | 5:13AM0.80m | 6:20PM0.88m | |||||||||||||
Low Tide | 11:02PM0.59m | 10:53AM0.25m | 11:50PM0.51m | 11:46AM0.30m | ||||||||||||||
 |  | | |  | | | | | | | | | |  | |  | | |
 | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:06 | — | — |
mm | 4 | 6 | 1 | 2 | 4 | 5 | 5 | 1 | 1 | 1 | 1 | 9 | 12 | 1 | — | 1 | 1 | 1 |
Temp °C | 27 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 27 | 25 | 25 | 26 | 27 | 27 | 26 | 26 |
Feels °C | 29 | 30 | 29 | 28 | 28 | 27 | 24 | 26 | 27 | 26 | 28 | 27 | 27 | 28 | 28 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | N 12 | N 12 | N 12 | N 12 | N 12 | N 12 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 10 | N 10 | ENE 16 | WSW 7 |
| kJ | 750 | 638 | 638 | 628 | 529 | 441 | 411 | 350 | 350 | 357 | 295 | 284 | 231 | 184 | 177 | 135 | 422 | 159 |
Swell 2 Height (m) Direction Period (s) | SE 11 | SW 7 | SW 7 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ENE 11 | ENE 18 | ENE 16 | ENE 16 | N 10 | ENE 18 |
| kJ | 59 | 225 | 184 | 55 | 51 | 50 | 49 | 36 | 35 | 35 | 35 | 35 | 40 | 182 | 208 | 298 | 133 | 582 |
Swell 3 Height (m) Direction Period (s) | ENE 11 | SE 11 | SE 11 | ENE 11 | ENE 12 | ENE 12 | ENE 12 | ENE 13 | ENE 13 | ENE 11 | ENE 11 | ENE 11 | ENE 18 | ENE 13 | NE 20 | NE 20 | ENE 10 | N 10 |
| kJ | 40 | 58 | 57 | 39 | 45 | 49 | 50 | 56 | 59 | 22 | 22 | 40 | 127 | 56 | 98 | 97 | 20 | 133 |
Wind waves Height (m) Direction Period (s) | SW 7 | — | — | SW 7 | SW 7 | SW 7 | SW 6 | SW 7 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | WSW 7 | WSW 7 | SW 7 | — |
| kJ | 218 | — | — | 147 | 165 | 209 | 236 | 279 | 297 | 335 | 264 | 219 | 270 | 263 | 272 | 251 | 233 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 229 | 11 | 0 | 229 | 229 | 229 | 229 | 229 | 229 | 229 | 229 | 16 | 16 | 16 | 16 | 229 | 7 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||
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