Surf Forecasts:
How big are the waves at Boat Basin Lefts today (08 Aug):
- Afternoon surf: Afternoon surf (08 Aug, local time) - 7ft (2.1m), 10s period with W swell.
- Evening surf: Evening surf (08 Aug, local time) - 6.5ft (2.0m), 10s period with W swell.
The current surf forecast for Boat Basin Lefts at 7PM is: 2.1m 10s primary swell from a West direction and 0.8m 12s secondary swell from a Northwest direction, 0.6m 10s secondary swell from a East-northeast direction (forecast issued at 03:00pm August 08). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Aug) | - | - |
| Afternoon (08 Aug) | 7ft (2.1m) | 10s |
| Evening (08 Aug) | 6.5ft (2.0m) | 10s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Mon night. Warm (max 29°C on Sun morning, min 28°C on Sat afternoon). Mainly fresh winds. | ||||||||||||||||||||
Sat 8 | Sunday 9 | Monday 10 | ||||||||||||||||||
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) | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 10 | W 9 | W 11 | W 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 776 | 847 | 821 | 882 | 867 | 1007 | 1026 | 1009 | 996 | 976 | 976 | 1060 | 1039 | 938 | 900 | 780 | 891 | 731 | 1278 | 1302 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross |
High Tide | 5:38PM0.78m | 2:19AM0.89m | 6:40PM0.83m | 3:28AM0.89m | 7:26PM0.87m | |||||||||||||||
Low Tide | 9:14PM0.73m | 10:34AM0.07m | 10:45PM0.74m | 11:34AM0.03m | ||||||||||||||||
 | |  |  | | |  | | | |  | | | | | |  | | | | |
 | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 |
Feels °C | 28 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 28 | 29 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | ENE 10 | NW 12 | NW 12 | W 10 | ENE 13 | NE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NE 12 | ENE 12 | NE 11 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | NE 11 | NE 11 |
| kJ | 95 | 207 | 207 | 755 | 225 | 223 | 212 | 147 | 144 | 142 | 112 | 91 | 63 | 82 | 184 | 273 | 292 | 360 | 18 | 29 |
Swell 2 Height (m) Direction Period (s) | NW 11 | ENE 10 | ENE 10 | ENE 14 | NW 12 | NW 12 | NW 11 | SE 10 | NW 11 | SE 9 | SE 9 | SE 9 | SE 9 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | SE 10 | SE 10 |
| kJ | 96 | 94 | 71 | 236 | 137 | 83 | 43 | 24 | 30 | 14 | 14 | 14 | 13 | 60 | 59 | 59 | 31 | 29 | 14 | 14 |
Swell 3 Height (m) Direction Period (s) | NW 13 | NE 14 | ENE 14 | NW 12 | SE 10 | SE 10 | SE 10 | NW 11 | SE 10 | NW 11 | NW 10 | SE 10 | S 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ENE 13 | E 11 |
| kJ | 109 | 96 | 129 | 169 | 27 | 24 | 15 | 19 | 23 | 18 | 17 | 14 | 2 | 14 | 13 | 13 | 13 | 13 | 17 | 9 |
Wind waves Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 10 | W 9 | W 11 | W 11 |
| kJ | 776 | 847 | 821 | 882 | 867 | 1007 | 1026 | 1009 | 996 | 976 | 976 | 1060 | 1039 | 938 | 900 | 780 | 891 | 731 | 1278 | 1302 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 2064 | 1907 | 16 | 16 | 16 | 16 | 1836 | 1836 | 1905 | 1905 | 1905 | 1836 | 1836 | 1836 | 1836 | 1836 | 1905 | 1905 | 1907 | 1290 |
Best forecast wave conditions in Guam | ||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||
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