Surf Forecasts:
How big are the waves at Boat Basin Lefts today (08 Aug):
- Morning surf: Morning surf (08 Aug, local time) - 7ft (2.1m), 10s period with W swell.
- 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 6AM is: 2.0m 10s primary swell from a West direction and 0.8m 11s secondary swell from a Northwest direction, 0.7m 10s secondary swell from a East-northeast direction (forecast issued at 03:00am August 08). The wind direction is predicted to be cross-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Aug) | 7ft (2.1m) | 10s |
| 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 17mm), heaviest on Mon night. Warm (max 29°C on Sun morning, min 27°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Saturday 8 | Sunday 9 | Monday 10 | ||||||||||||||||||||||
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) | W 10 | W 10 | W 10 | W 10 | NW 13 | 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 10 | W 9 | W 11 | W 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 830 | 769 | 784 | 855 | 109 | 847 | 755 | 761 | 867 | 1007 | 1048 | 1124 | 1066 | 1076 | 1045 | 1137 | 1131 | 1131 | 1013 | 1034 | 1024 | 836 | 1386 | 1289 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross |
High Tide | 1:21AM0.89m | 5:38PM0.78m | 2:19AM0.89m | 6:40PM0.83m | 3:28AM0.89m | 7:26PM0.87m | ||||||||||||||||||
Low Tide | 9:30AM0.13m | 9:14PM0.73m | 10:34AM0.07m | 10:45PM0.74m | 11:34AM0.03m | |||||||||||||||||||
 | |  |  | | |  | | | |  |  | | | | | | | | | | | | | |
 | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | 1 | 2 | 2 | — | 2 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | — |
Temp °C | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 31 | 28 | 30 | 29 | 28 | 29 | 30 | 30 | 31 | 30 | 30 | 29 | 29 | 30 | 29 | 30 | 29 | 29 | 28 | 29 | 28 | 28 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | NW 12 | NW 12 | NW 11 | NW 11 | ENE 10 | NW 12 | NW 12 | ENE 14 | ENE 13 | ENE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NE 12 | ENE 12 | NE 11 | NE 11 | NW 11 | NW 12 | NW 12 | NW 11 | SE 10 | SE 10 |
| kJ | 202 | 224 | 153 | 147 | 95 | 207 | 207 | 236 | 229 | 196 | 212 | 147 | 144 | 114 | 112 | 91 | 63 | 60 | 189 | 244 | 301 | 360 | 14 | 15 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | NW 11 | ENE 10 | ENE 10 | NW 12 | NW 12 | NW 12 | NW 11 | SE 10 | NW 11 | SE 9 | NW 10 | SE 9 | SE 9 | NW 13 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 |
| kJ | 92 | 94 | 95 | 95 | 96 | 71 | 71 | 169 | 137 | 83 | 79 | 24 | 19 | 14 | 17 | 14 | 14 | 88 | 59 | 31 | 30 | 30 | 18 | 18 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | SSE 9 | ENE 14 | NW 13 | NE 14 | ENE 14 | SE 11 | SE 10 | SE 10 | SE 10 | NW 11 | SE 10 | NW 11 | SE 9 | S 9 | S 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ENE 13 | NE 13 |
| kJ | 13 | 21 | 32 | 78 | 109 | 96 | 129 | 29 | 27 | 24 | 15 | 19 | 15 | 19 | 14 | 2 | 2 | 14 | 13 | 13 | 13 | 13 | 17 | 7 |
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 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 11 | W 11 |
| kJ | 830 | 769 | 784 | 855 | 878 | 847 | 755 | 761 | 867 | 1007 | 1048 | 1124 | 1066 | 1076 | 1045 | 1137 | 1131 | 1131 | 1013 | 1034 | 1024 | 836 | 1386 | 1289 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1836 | 16 | 1836 | 1836 | 2064 | 1907 | 1866 | 16 | 16 | 1836 | 1836 | 1836 | 1905 | 1905 | 1905 | 1836 | 1858 | 1836 | 1836 | 1836 | 1905 | 1905 | 1836 | 1290 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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