Surf Forecasts:
How big are the waves at Boat Basin Lefts today (23 Jun):
- Morning surf: Morning surf (23 Jun, local time) - 1.5ft (0.5m), 8s period with E swell.
- Afternoon surf: Afternoon surf (23 Jun, local time) - 3.5ft (1.0m), 8s period with NE swell.
- Evening surf: Evening surf (23 Jun, local time) - 2.5ft (0.8m), 8s period with ENE swell.
The current surf forecast for Boat Basin Lefts at 3PM is: 1.0m 8s primary swell from a Northeast direction and 0.4m 4s secondary swell from a North-northwest direction (forecast issued at 09:00am June 23). An open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Jun) | 1.5ft (0.5m) | 8s |
| Afternoon (23 Jun) | 3.5ft (1.0m) | 8s |
| Evening (23 Jun) | 2.5ft (0.8m) | 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 24mm), heaviest during Wed morning. Warm (max 30°C on Wed morning, min 28°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 23 | Wednesday 24 | Thursday 25 | Fri 26 | |||||||||||||||||||||
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) | E 8 | E 8 | E 8 | NE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | E 6 | E 7 | E 7 | E 7 | E 8 | E 7 | E 7 | E 7 | E 7 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 33 | 33 | 33 | 123 | 106 | 66 | 57 | 54 | 55 | 20 | 39 | 40 | 40 | 41 | 54 | 86 | 147 | 178 | 195 | 195 | 192 | 192 | 203 | 210 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | on | on | cross-on | cross-on | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 3:21PM0.66m | 2:35AM0.88m | 5:01PM0.69m | 3:05AM0.86m | 6:19PM0.73m | 3:38AM0.85m | ||||||||||||||||||
Low Tide | 9:16AM0.38m | 8:05PM0.54m | 10:06AM0.31m | 9:03PM0.62m | 10:49AM0.25m | 10:10PM0.67m | ||||||||||||||||||
 | | | |  |  | | |  | | |  |  | | | | | | | | | | | | |
 | 5:54 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:56 |
 | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:51 | — | — | — | 6:51 |
mm | — | — | — | — | — | — | — | — | 1 | 5 | 2 | — | 3 | — | 4 | 5 | 4 | — | — | — | — | — | — | — |
Temp °C | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 30 | 30 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 |
Feels °C | 30 | 31 | 31 | 32 | 33 | 32 | 32 | 32 | 31 | 31 | 33 | 33 | 31 | 31 | 31 | 30 | 29 | 30 | 30 | 30 | 31 | 30 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 7 | WSW 7 | NE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | WSW 7 | E 7 | E 7 | E 7 | E 8 | WSW 8 | WSW 8 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 |
| kJ | 30 | 23 | 35 | 123 | 106 | 66 | 57 | 54 | 55 | 31 | 39 | 40 | 40 | 41 | 37 | 37 | 131 | 178 | 195 | 195 | 192 | 192 | 203 | 210 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | WSW 7 | WSW 8 | N 6 | WSW 8 | WSW 8 | WSW 8 | E 6 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | SE 9 | SE 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SE 9 | SE 9 | SE 9 |
| kJ | 33 | 33 | 33 | 37 | 37 | 22 | 37 | 37 | 32 | 20 | 31 | 32 | 45 | 38 | 31 | 31 | 35 | 35 | 23 | 23 | 23 | 30 | 31 | 29 |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | N 8 | WSW 8 | N 6 | N 6 | NNE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | NNE 10 | W 12 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | WSW 8 | WSW 8 | WSW 8 |
| kJ | 25 | 26 | 35 | 26 | 42 | 37 | 16 | 15 | 36 | 34 | 33 | 45 | 32 | 32 | 40 | 72 | 31 | 31 | 31 | 31 | 31 | 12 | 11 | 23 |
Wind waves Height (m) Direction Period (s) | NNW 3 | N 4 | NNW 4 | — | — | S 6 | SSE 6 | SSE 8 | SSE 4 | SSE 8 | SSE 3 | S 4 | — | — | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 |
| kJ | 3 | 6 | 5 | — | — | 6 | 7 | 51 | 11 | 51 | 4 | 2 | — | — | 54 | 86 | 147 | 163 | 142 | 146 | 126 | 150 | 126 | 127 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1958 | 1304 | 11 | 11 | 11 | 11 | 0 | 0 | 0 | 1996 | 20 | 0 | 0 | 0 | 26 | 20 | 20 | 1290 | 20 | 20 | 20 | 20 | 20 | 1290 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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