Surf Forecasts:
How big are the waves at Boat Basin Lefts today (08 Oct):
- Morning surf: Morning surf (08 Oct, local time) - 3.5ft (1.0m), 11s period with N swell.
- Afternoon surf: Afternoon surf (08 Oct, local time) - 2.5ft (0.7m), 16s period with ENE swell.
- Evening surf: Evening surf (08 Oct, local time) - 3.5ft (1.0m), 18s period with ENE swell.
The current surf forecast for Boat Basin Lefts at 4PM is: 0.8m 16s primary swell from a East-northeast direction and 0.9m 10s secondary swell from a North direction (forecast issued at 09:00am October 08). An open ocean swell of 0.9m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Oct) | 3.5ft (1.0m) | 11s |
| Afternoon (08 Oct) | 2.5ft (0.7m) | 16s |
| Evening (08 Oct) | 3.5ft (1.0m) | 18s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 58mm), heaviest during Fri morning. Warm (max 28°C on Thu morning, min 25°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||
Thursday 8 | Friday 9 | Saturday 10 | ||||||||||||||||||||
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 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 | ENE 14 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 238 | 227 | 208 | 298 | 422 | 582 | 742 | 890 | 1018 | 1136 | 1081 | 945 | 829 | 796 | 538 | 465 | 458 | 304 | 299 | 243 | 353 | 256 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross-on | cross | cross | cross | glassy | cross-off | cross-off | cross-off | cross | cross | cross-off | cross | cross-on | on | on | cross-on | cross-on | cross-on | cross |
High Tide | 5:13AM0.80m | 6:20PM0.88m | 6:21AM0.83m | 6:45PM0.89m | 7:20AM0.86m | 7:09PM0.89m | ||||||||||||||||
Low Tide | 11:46AM0.30m | 00:31AM0.42m | 12:33PM0.36m | 1:09AM0.33m | 1:16PM0.42m | |||||||||||||||||
 | | | |  | |  |  | | | | | | | | | | | | | | | |
 | 6:09 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — |
mm | 1 | 2 | 2 | 1 | 3 | 4 | — | — | 3 | 6 | 4 | 4 | 4 | 5 | 5 | 1 | 5 | 2 | 4 | 1 | 1 | — |
Temp °C | 27 | 27 | 28 | 27 | 27 | 26 | 25 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 |
Feels °C | 30 | 30 | 31 | 30 | 30 | 29 | 28 | 30 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 29 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | N 11 | N 11 | N 10 | N 10 | N 10 | ENE 18 | ENE 17 | ENE 17 | ENE 16 | ENE 16 | ENE 16 | ENE 16 | ENE 15 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 |
| kJ | 238 | 227 | 177 | 167 | 167 | 582 | 742 | 890 | 1018 | 1136 | 1081 | 945 | 829 | 796 | 538 | 465 | 458 | 304 | 299 | 243 | 353 | 256 |
Swell 2 Height (m) Direction Period (s) | WSW 8 | WSW 8 | WSW 8 | WSW 8 | ENE 16 | N 10 | N 10 | SW 7 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 11 | N 11 | SW 6 | SW 7 | SW 6 | SW 7 | SW 7 | SW 7 |
| kJ | 117 | 107 | 81 | 81 | 422 | 164 | 130 | 77 | 127 | 98 | 98 | 98 | 96 | 127 | 110 | 110 | 78 | 67 | 61 | 67 | 67 | 67 |
Swell 3 Height (m) Direction Period (s) | ENE 11 | ENE 18 | ENE 16 | ENE 16 | WSW 8 | WSW 8 | WSW 8 | N 10 | NW 10 | SE 9 | SE 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | N 11 | N 10 | N 5 | ENE 13 | N 11 | N 11 |
| kJ | 40 | 182 | 208 | 298 | 64 | 64 | 72 | 127 | 4 | 14 | 14 | 22 | 30 | 29 | 29 | 40 | 141 | 69 | 22 | 181 | 144 | 144 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SSW 7 | SW 6 | SW 7 | SW 7 | SW 6 | SW 6 | SW 6 | WSW 6 | NW 9 | NNW 5 | NNW 5 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 153 | 136 | 164 | 173 | 136 | 120 | 131 | 145 | 152 | 33 | 25 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 11 | 11 | 11 | 11 | 11 | 1839 | 11 | 0 | 0 | 229 | 229 | 229 | 1836 | 1836 | 1836 | 1836 | 11 | 11 | 1905 | 16 | 16 | 1836 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||
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