Surf Forecasts:
How big are the waves at Boat Basin Lefts today (21 Jun):
- Morning surf: Morning surf (21 Jun, local time) - 2ft (0.6m), 8s period with E swell.
- Afternoon surf: Afternoon surf (21 Jun, local time) - 2ft (0.6m), 8s period with ENE swell.
- Evening surf: Evening surf (21 Jun, local time) - 2ft (0.6m), 8s period with ENE swell.
The current surf forecast for Boat Basin Lefts at 5AM is: 0.6m 8s primary swell from a East direction (forecast issued at 09:00pm June 20). An open ocean swell of 0.4m 11s is not directed at the surf break, a second open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jun) | 2ft (0.6m) | 8s |
| Afternoon (21 Jun) | 2ft (0.6m) | 8s |
| Evening (21 Jun) | 2ft (0.6m) | 8s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 21mm), heaviest during Tue morning. Warm (max 29°C on Sun morning, min 27°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||||||||
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 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 44 | 31 | 31 | 43 | 42 | 43 | 45 | 45 | 47 | 47 | 43 | 43 | 43 | 44 | 44 | 44 | 44 | 32 | 32 | 33 | 33 | 33 | 33 | 33 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:01AM0.92m | 12:04PM0.72m | 1:34AM0.91m | 1:36PM0.67m | 2:05AM0.89m | 3:21PM0.66m | ||||||||||||||||||
Low Tide | 5:48PM0.21m | 7:16AM0.54m | 6:32PM0.33m | 8:19AM0.46m | 7:16PM0.44m | 9:16AM0.38m | ||||||||||||||||||
 | |  | |  |  | | |  | | | |  | | | | | | | | | | |  | |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 |
mm | 1 | 1 | — | — | 1 | — | 1 | — | — | — | 1 | — | — | — | 2 | 1 | 1 | 2 | 1 | 1 | 1 | 5 | 3 | — |
Temp °C | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 29 | 29 | 29 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 |
Feels °C | 31 | 31 | 31 | 31 | 31 | 32 | 31 | 31 | 30 | 30 | 31 | 30 | 30 | 32 | 31 | 32 | 30 | 31 | 30 | 30 | 31 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | S 7 | S 7 | S 7 | SSW 7 | SSW 7 | SSW 7 | SW 7 | SW 7 | E 8 | SW 7 | WSW 8 | WSW 8 | WSW 8 |
| kJ | 44 | 31 | 31 | 43 | 42 | 43 | 45 | 45 | 47 | 47 | 43 | 81 | 97 | 103 | 108 | 124 | 99 | 93 | 102 | 33 | 176 | 150 | 192 | 188 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | SE 11 | SE 11 | SE 11 | S 7 | S 6 | S 6 | SE 10 | SE 10 | SE 11 | SE 11 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SE 10 | E 8 | E 8 | E 8 | E 8 |
| kJ | 27 | 41 | 40 | 40 | 32 | 30 | 20 | 36 | 37 | 40 | 41 | 43 | 43 | 44 | 44 | 44 | 44 | 32 | 32 | 26 | 33 | 33 | 33 | 33 |
Swell 3 Height (m) Direction Period (s) | NE 8 | ENE 7 | NE 7 | S 6 | SE 10 | SE 10 | SE 10 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | NNE 8 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 14 | 20 | 14 | 7 | 37 | 37 | 36 | 16 | 16 | 16 | 15 | 41 | 41 | 41 | 40 | 29 | 29 | 27 | 27 | 7 | 35 | 36 | 36 | 35 |
Wind waves Height (m) Direction Period (s) | — | SSE 7 | SSE 6 | SSE 7 | — | — | SE 3 | SSE 6 | S 6 | S 6 | S 6 | — | — | — | E 3 | — | — | — | SW 7 | SW 7 | — | — | — | — |
| kJ | — | 26 | 21 | 18 | — | — | 2 | 31 | 28 | 38 | 36 | — | — | — | 2 | — | — | — | 181 | 169 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2064 | 0 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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