Surf Forecasts:
How big are the waves at Boat Basin Lefts today (07 Oct):
- Morning surf: Morning surf (07 Oct, local time) - 4.5ft (1.4m), 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 6PM is: 1.2m 11s primary swell from a North direction (forecast issued at 09:00am October 07). An open ocean swell of 0.4m 10s is not directed at the surf break, a second open ocean swell of 1.8m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Oct) | 4.5ft (1.4m) | 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 95mm), heaviest during Wed afternoon. Warm (max 27°C on Thu morning, min 24°C on Wed afternoon). Winds increasing (light winds from the SSW on Thu afternoon, fresh winds from the SW by Fri night). | ||||||||||||||||||||||
Wednesday 7 | Thursday 8 | Friday 9 | ||||||||||||||||||||
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 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 | ENE 17 | ENE 17 | ENE 16 | ENE 16 | ENE 16 | ENE 16 | ENE 15 | ENE 14 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 537 | 519 | 418 | 350 | 350 | 357 | 295 | 284 | 231 | 227 | 208 | 298 | 422 | 582 | 742 | 890 | 949 | 1005 | 957 | 933 | 752 | 638 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross-on | cross | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:53PM0.87m | 5:13AM0.80m | 6:20PM0.88m | 6:21AM0.83m | 6:45PM0.89m | |||||||||||||||||
Low Tide | 10:53AM0.25m | 11:50PM0.51m | 11:46AM0.30m | 00:31AM0.42m | 12:33PM0.36m | |||||||||||||||||
 | | | |  | |  |  |  | |  | | | | | |  | | | | | | |
 | 6:09 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:05 | — | — |
mm | 3 | 4 | 11 | 18 | 5 | 2 | — | — | — | 2 | — | 1 | — | — | — | — | 7 | 6 | 7 | 11 | 13 | 3 |
Temp °C | 27 | 26 | 25 | 24 | 25 | 25 | 25 | 26 | 26 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 25 | 25 | 25 | 26 | 25 | 26 |
Feels °C | 30 | 28 | 27 | 24 | 25 | 24 | 25 | 27 | 27 | 28 | 27 | 28 | 30 | 29 | 29 | 26 | 25 | 24 | 25 | 26 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | 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 | ENE 18 | ENE 17 | ENE 17 | ENE 16 | ENE 16 | ENE 16 | ENE 16 | ENE 15 | ENE 14 |
| kJ | 537 | 519 | 418 | 350 | 350 | 357 | 295 | 284 | 231 | 227 | 177 | 171 | 422 | 582 | 742 | 890 | 949 | 1005 | 957 | 933 | 752 | 638 |
Swell 2 Height (m) Direction Period (s) | SW 7 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ENE 11 | ENE 18 | ENE 16 | ENE 16 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 |
| kJ | 130 | 50 | 49 | 35 | 35 | 35 | 35 | 35 | 40 | 182 | 208 | 298 | 133 | 133 | 130 | 98 | 98 | 73 | 74 | 71 | 71 | 50 |
Swell 3 Height (m) Direction Period (s) | SE 10 | ENE 12 | ENE 12 | ENE 13 | ENE 13 | ENE 11 | ENE 11 | ENE 11 | ENE 18 | ENE 13 | NE 20 | NE 20 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | SE 9 | SE 9 | SE 10 | SE 10 | NW 9 | N 13 |
| kJ | 51 | 49 | 50 | 56 | 59 | 23 | 23 | 23 | 127 | 56 | 98 | 97 | 20 | 33 | 31 | 38 | 14 | 14 | 14 | 15 | 14 | 52 |
Wind waves Height (m) Direction Period (s) | — | SW 7 | WSW 7 | SW 6 | SW 7 | SW 7 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 8 | SW 8 | SW 7 |
| kJ | — | 160 | 250 | 278 | 340 | 289 | 248 | 187 | 173 | 150 | 146 | 126 | 156 | 92 | 143 | 255 | 277 | 271 | 440 | 469 | 435 | 392 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 229 | 229 | 229 | 229 | 229 | 229 | 229 | 16 | 16 | 1836 | 1837 | 229 | 0 | 229 | 229 | 1836 | 231 | 1836 | 229 | 1905 | 1885 | 1866 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||
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