Surf Forecasts:
How big are the waves at Boat Basin Lefts today (30 Jun):
- Morning surf: Morning surf (30 Jun, local time) - 3.5ft (1.0m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (30 Jun, local time) - 3ft (0.9m), 8s period with ENE swell.
- Evening surf: Evening surf (30 Jun, local time) - 3ft (0.9m), 8s period with ENE swell.
The current surf forecast for Boat Basin Lefts at 12PM is: 0.9m 8s primary swell from a East-northeast direction and 0.3m 7s secondary swell from a North-northeast direction (forecast issued at 09:00am June 30). The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jun) | 3.5ft (1.0m) | 8s |
| Afternoon (30 Jun) | 3ft (0.9m) | 8s |
| Evening (30 Jun) | 3ft (0.9m) | 8s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Wed night. Warm (max 30°C on Tue afternoon, min 27°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 30 | Wednesday 1 | Thursday 2 | Fri 3 | |||||||||||||||||||||
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 | 1 AM | 4 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 140 | 137 | 112 | 112 | 112 | 119 | 64 | 81 | 81 | 99 | 151 | 154 | 131 | 123 | 120 | 125 | 125 | 125 | 94 | 94 | 99 | 101 | 101 | 101 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross |
High Tide | 6:18AM0.84m | 9:47PM0.85m | 7:00AM0.84m | 10:21PM0.86m | 7:41AM0.84m | 10:52PM0.86m | ||||||||||||||||||
Low Tide | 2:04PM0.07m | 2:28AM0.69m | 2:41PM0.08m | 3:09AM0.68m | 3:17PM0.10m | 3:52AM0.67m | ||||||||||||||||||
 | | |  |  | | |  | | | | | | | | | | | | | | | | | |
 | 5:56 | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 |
 | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | 6:52 |
mm | 1 | 1 | 1 | — | — | — | — | 1 | 2 | 1 | — | — | — | 1 | 2 | 3 | — | — | 1 | — | — | — | — | — |
Temp °C | 28 | 29 | 29 | 30 | 28 | 28 | 28 | 28 | 28 | 29 | 30 | 30 | 29 | 28 | 27 | 28 | 27 | 29 | 29 | 29 | 29 | 28 | 28 | 28 |
Feels °C | 31 | 32 | 31 | 32 | 30 | 30 | 31 | 31 | 30 | 31 | 32 | 32 | 32 | 31 | 29 | 30 | 30 | 32 | 32 | 31 | 33 | 31 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 9 | E 10 | E 10 | SE 8 | SE 8 | SE 8 | ENE 9 | SE 8 | SE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 140 | 137 | 112 | 112 | 112 | 119 | 64 | 24 | 29 | 30 | 11 | 11 | 11 | 123 | 11 | 10 | 125 | 125 | 94 | 94 | 99 | 101 | 101 | 101 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | SE 8 | NNE 7 | NNE 7 | NNE 6 | SE 8 | E 9 | SE 8 | SE 8 | SE 8 | SW 6 | SW 6 | SW 6 | SE 8 | SW 6 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 |
| kJ | 14 | 11 | 9 | 9 | 7 | 11 | 24 | 11 | 11 | 11 | 2 | 2 | 2 | 11 | 2 | 3 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 |
Swell 3 Height (m) Direction Period (s) | SE 8 | WNW 8 | WNW 8 | WNW 9 | SE 8 | WNW 8 | SE 8 | WNW 8 | WNW 8 | NW 8 | SE 12 | NW 7 | NW 7 | SW 6 | SE 10 | S 7 | SSE 6 | SSE 6 | WSW 6 | WSW 6 | SW 6 | WSW 7 | WSW 7 | WSW 7 |
| kJ | 11 | 14 | 7 | 7 | 11 | 6 | 11 | 6 | 6 | 2 | 6 | 2 | 2 | 2 | 4 | 3 | 4 | 4 | 4 | 4 | 2 | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | ENE 3 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | — | ENE 8 | ENE 8 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 2 | 81 | 81 | 99 | 151 | 154 | 131 | — | 120 | 125 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 7 | 0 | 1304 | 1304 | 0 | 1290 | 1373 | 1290 | 1290 | 0 | 0 | 1290 | 0 | 0 | 0 | 0 | 2064 | 2064 | 1958 | 1958 | 1290 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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