Surf Forecasts:
How big are the waves at Boat Basin Lefts today (11 Jul):
- Morning surf: Morning surf (11 Jul, local time) - 6.5ft (2.0m), 14s period with W swell.
- Afternoon surf: Afternoon surf (11 Jul, local time) - 6ft (1.9m), 14s period with WNW swell.
- Evening surf: Evening surf (11 Jul, local time) - 6ft (1.8m), 14s period with WNW swell.
The current surf forecast for Boat Basin Lefts at 12AM is: 2.2m 14s primary swell from a West direction and 0.6m 9s secondary swell from a East-northeast direction (forecast issued at 09:00pm July 10). An open ocean swell of 1.1m 12s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Jul) | 6.5ft (2.0m) | 14s |
| Afternoon (11 Jul) | 6ft (1.9m) | 14s |
| Evening (11 Jul) | 6ft (1.8m) | 14s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 26mm), heaviest during Sun night. Warm (max 29°C on Sun morning, min 26°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Fri 10 | Saturday 11 | Sunday 12 | Monday 13 | |||||||||||||||||||||
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 | 1 PM | 4 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | 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 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2406 | 2383 | 1756 | 1731 | 1706 | 1576 | 1645 | 1548 | 1325 | 1139 | 1106 | 958 | 836 | 811 | 811 | 775 | 764 | 604 | 594 | 490 | 475 | 400 | 393 | 439 |
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-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | off | off | cross-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 | 12:41PM-0.05m | ||||||||||||||||||
 | | | |  | |  |  |  | |  | | | | |  | | | | |  | | | | |
 | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 |
mm | — | — | — | — | — | — | — | — | — | — | 3 | 3 | — | — | — | 3 | 3 | — | — | 1 | 10 | 2 | 1 | — |
Temp °C | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 27 | 27 | 28 | 26 | 26 | 26 |
Feels °C | 29 | 30 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 29 | 30 | 32 | 32 | 31 | 32 | 31 | 30 | 30 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | 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 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 |
| kJ | 2406 | 2383 | 1756 | 1731 | 1706 | 1576 | 1645 | 1548 | 1325 | 1139 | 1106 | 958 | 836 | 811 | 811 | 775 | 764 | 604 | 594 | 490 | 475 | 400 | 393 | 439 |
Swell 2 Height (m) Direction Period (s) | E 9 | SE 9 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 10 | WSW 11 | WSW 10 | WSW 10 | E 8 | ENE 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 |
| kJ | 40 | 22 | 311 | 256 | 256 | 252 | 250 | 246 | 193 | 152 | 130 | 123 | 80 | 50 | 176 | 144 | 118 | 113 | 90 | 92 | 65 | 65 | 73 | 73 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 13 | SE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SE 12 | SE 12 | SE 12 | SE 12 | SE 11 | WSW 10 | WSW 10 | SE 11 | SE 11 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 10 | SE 9 |
| kJ | 31 | 60 | 22 | 26 | 27 | 27 | 26 | 26 | 36 | 36 | 35 | 21 | 19 | 80 | 57 | 18 | 18 | 65 | 47 | 47 | 47 | 39 | 54 | 13 |
Wind waves Height (m) Direction Period (s) | — | ENE 9 | ENE 9 | NE 4 | NE 4 | ENE 5 | ENE 6 | ENE 6 | ENE 9 | ENE 9 | ENE 6 | ENE 6 | ENE 7 | ENE 6 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 45 | 62 | 15 | 18 | 24 | 34 | 44 | 147 | 144 | 107 | 149 | 153 | 75 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1304 | 1304 | 1304 | 1304 | 1304 | 1304 | 1304 | 1304 | 1304 | 1837 | 0 | 24 | 1836 | 20 | 20 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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