Surf Forecasts:
How big are the waves at Boat Basin Lefts today (10 Jul):
- Afternoon surf: Afternoon surf (10 Jul, local time) - 8ft (2.5m), 14s period with W swell.
- Evening surf: Evening surf (10 Jul, local time) - 8ft (2.5m), 14s period with W swell.
The current surf forecast for Boat Basin Lefts at 11PM is: 2.4m 14s primary swell from a West direction and 0.5m 9s secondary swell from a East-northeast direction (forecast issued at 03:00pm July 10). An open ocean swell of 0.4m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Jul) | - | - |
| Afternoon (10 Jul) | 8ft (2.5m) | 14s |
| Evening (10 Jul) | 8ft (2.5m) | 14s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 22mm), heaviest during Sun night. Warm (max 28°C on Fri afternoon, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 10 | Saturday 11 | Sunday 12 | Mon 13 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | 10 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | W 13 | W 14 | W 14 | W 14 | W 14 | W 14 | W 14 | W 14 | W 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | W 13 | W 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2380 | 2565 | 2406 | 2372 | 1756 | 1731 | 1706 | 1731 | 1645 | 1548 | 1325 | 1139 | 1106 | 958 | 836 | 811 | 811 | 775 | 764 | 604 | 604 | 594 | 514 | 413 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off |
High Tide | 5:27PM0.76m | 2:54AM0.91m | 6:41PM0.82m | 3:47AM0.92m | 7:39PM0.87m | 4:45AM0.93m | ||||||||||||||||||
Low Tide | 9:24PM0.68m | 10:52AM0.08m | 10:47PM0.72m | 11:47AM0.00m | 00:00AM0.74m | |||||||||||||||||||
 | |  | | | |  | | |  |  |  | | | |  | | |  | | | |  | | |
 | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — |
 | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | 6:52 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 2 | 2 | 4 | 4 | 2 | 1 |
Temp °C | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 26 | 25 | 26 |
Feels °C | 30 | 30 | 29 | 30 | 30 | 28 | 30 | 30 | 30 | 30 | 29 | 29 | 31 | 30 | 30 | 30 | 29 | 30 | 31 | 30 | 30 | 28 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | W 13 | W 14 | W 14 | W 14 | W 14 | W 14 | W 14 | W 14 | W 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | W 13 | W 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 |
| kJ | 2380 | 2565 | 2406 | 2372 | 1756 | 1731 | 1706 | 1731 | 1645 | 1548 | 1325 | 1139 | 1106 | 958 | 836 | 811 | 811 | 775 | 764 | 604 | 604 | 594 | 514 | 413 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | SE 9 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 |
| kJ | 40 | 40 | 40 | 22 | 311 | 306 | 256 | 252 | 203 | 246 | 193 | 210 | 130 | 123 | 106 | 140 | 137 | 137 | 137 | 133 | 136 | 109 | 58 | 94 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 13 | SE 9 | SE 9 | SE 12 | SE 12 | E 9 | E 9 | SE 12 | SE 12 | SE 12 | SE 12 | SE 11 | WSW 10 | WSW 9 | WSW 9 | SE 11 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 |
| kJ | 31 | 31 | 31 | 60 | 22 | 21 | 37 | 37 | 40 | 40 | 36 | 36 | 35 | 21 | 19 | 78 | 58 | 16 | 18 | 62 | 47 | 47 | 47 | 46 |
Wind waves Height (m) Direction Period (s) | — | — | — | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 5 | ENE 6 | ENE 9 | ENE 9 | ENE 6 | ENE 6 | E 8 | — | — | — | — | — | — | — | SSE 3 | SSE 4 |
| kJ | — | — | — | 45 | 62 | 62 | 84 | 84 | 23 | 38 | 147 | 157 | 68 | 66 | 144 | — | — | — | — | — | — | — | 4 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1864 | 1864 | 1304 | 1304 | 1304 | 1304 | 1304 | 1304 | 1304 | 1304 | 1304 | 1837 | 0 | 0 | 0 | 1836 | 20 | 20 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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