Surf Forecasts:
How big are the waves at Boat Basin Lefts today (20 Jun):
- Morning surf: Morning surf (20 Jun, local time) - 2.5ft (0.8m), 8s period with E swell.
- Afternoon surf: Afternoon surf (20 Jun, local time) - 2ft (0.6m), 8s period with E swell.
- Evening surf: Evening surf (20 Jun, local time) - 1.5ft (0.5m), 8s period with E swell.
The current surf forecast for Boat Basin Lefts at 3AM is: 0.3m 7s primary swell from a North-northeast direction (forecast issued at 09:00pm June 19). An open ocean swell of 0.4m 6s is not directed at the surf break, a second open ocean swell of 0.4m 9s is not directed at the surf break, a second open ocean swell of 1.1m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jun) | 2.5ft (0.8m) | 8s |
| Afternoon (20 Jun) | 2ft (0.6m) | 8s |
| Evening (20 Jun) | 1.5ft (0.5m) | 8s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Fri night. Warm (max 29°C on Sat morning, min 27°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||||||||||
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) | E 8 | E 8 | NNE 7 | NNE 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 98 | 148 | 9 | 9 | 82 | 82 | 61 | 41 | 31 | 31 | 31 | 30 | 42 | 43 | 47 | 45 | 47 | 47 | 47 | 43 | 43 | 43 | 44 | 44 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 00:25AM0.93m | 10:47AM0.79m | 1:01AM0.92m | 12:04PM0.72m | 1:34AM0.91m | 1:36PM0.67m | ||||||||||||||||||
Low Tide | 5:02PM0.09m | 6:10AM0.61m | 5:48PM0.21m | 7:16AM0.54m | 6:32PM0.33m | 8:19AM0.46m | ||||||||||||||||||
 | |  | |  |  | | | |  | | | | | | | | | | | | | |  | |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 |
mm | 2 | 1 | — | — | — | 1 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 28 | 27 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 28 | 29 | 29 |
Feels °C | 29 | 29 | 29 | 29 | 31 | 30 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 32 | 30 | 30 | 30 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | S 7 | S 6 | SSW 6 | SSW 6 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SSE 7 | E 8 | E 8 | ENE 8 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | E 8 | SSW 8 | SSW 7 |
| kJ | 126 | 76 | 19 | 12 | 82 | 82 | 61 | 41 | 31 | 31 | 31 | 34 | 42 | 43 | 47 | 35 | 35 | 35 | 36 | 37 | 37 | 43 | 76 | 134 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | NE 8 | SE 11 | SE 11 | E 8 | SE 10 | SE 10 | SE 10 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | SSW 6 | E 8 | E 8 |
| kJ | 33 | 24 | 31 | 22 | 31 | 34 | 44 | 50 | 14 | 41 | 40 | 30 | 37 | 37 | 36 | 45 | 47 | 47 | 47 | 43 | 43 | 15 | 44 | 44 |
Swell 3 Height (m) Direction Period (s) | NNE 7 | NNE 7 | NNE 7 | NNE 7 | SW 5 | SW 5 | SW 5 | ENE 8 | SW 5 | NE 7 | S 6 | SE 11 | NNE 9 | NNE 9 | NNE 9 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SSE 7 | SE 11 | SE 11 |
| kJ | 9 | 9 | 9 | 9 | 7 | 7 | 7 | 25 | 7 | 13 | 12 | 40 | 17 | 16 | 16 | 36 | 37 | 40 | 41 | 41 | 41 | 15 | 40 | 29 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | ESE 7 | ESE 8 | SSE 5 | SSE 5 | SSE 4 | SE 4 | SSE 7 | SSE 7 | SE 7 | — | S 6 | S 6 | S 6 | — | — | — | — | — | — | SE 2 | SE 7 | — |
| kJ | 98 | 148 | 156 | 159 | 21 | 13 | 12 | 5 | 18 | 26 | 23 | — | 40 | 38 | 36 | — | — | — | — | — | — | 1 | 21 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 1290 | 1290 | 1290 | 0 | 0 | 0 | 0 | 0 | 0 | 1290 | 1836 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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