Surf Forecasts:
How big are the waves at Boat Basin Lefts today (17 Jun):
- Afternoon surf: Afternoon surf (17 Jun, local time) - 2.5ft (0.8m), 8s period with ENE swell.
- Evening surf: Evening surf (17 Jun, local time) - 3ft (0.9m), 8s period with ENE swell.
The current surf forecast for Boat Basin Lefts at 11PM is: 0.9m 8s primary swell from a East-northeast direction and 0.3m 8s secondary swell from a North-northeast direction (forecast issued at 03:00pm June 17). An open ocean swell of 0.5m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jun) | - | - |
| Afternoon (17 Jun) | 2.5ft (0.8m) | 8s |
| Evening (17 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 ForecastHeavy rain (total 63mm), heaviest during Fri night. Warm (max 30°C on Wed afternoon, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
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 | 7 AM | 10 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 82 | 78 | 75 | 94 | 125 | 87 | 125 | 125 | 149 | 144 | 207 | 257 | 215 | 155 | 124 | 96 | 84 | 63 | 63 | 63 | 63 | 63 | 63 | 63 |
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 | off | off | cross-off | cross-off | cross-off |
High Tide | 11:02PM0.95m | 8:41AM0.91m | 11:45PM0.94m | 9:41AM0.85m | 00:25AM0.93m | |||||||||||||||||||
Low Tide | 3:25PM-0.07m | 4:05AM0.70m | 4:14PM-0.01m | 5:06AM0.66m | 5:02PM0.09m | 6:10AM0.61m | ||||||||||||||||||
 |  |  | | | | | | |  |  |  | | |  | | | | | |  | | | | |
 | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — |
 | — | 6:49 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | 6:50 |
mm | — | 1 | 3 | 1 | 1 | 2 | 1 | 2 | 4 | — | — | — | 1 | 5 | 6 | 4 | 3 | 4 | 2 | 5 | 7 | 8 | 2 | 1 |
Temp °C | 30 | 30 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 28 |
Feels °C | 33 | 32 | 31 | 31 | 31 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 30 | 30 | 31 | 28 | 29 | 28 | 28 | 29 | 28 | 28 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | SE 9 | SE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SE 11 | SE 10 | ENE 8 | ENE 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 82 | 78 | 75 | 40 | 40 | 87 | 125 | 125 | 149 | 144 | 55 | 52 | 215 | 155 | 124 | 96 | 84 | 63 | 63 | 63 | 63 | 63 | 63 | 63 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | NNE 8 | NNE 8 | SSE 9 | SSE 9 | SE 9 | SE 9 | SE 9 | NNE 8 | NNE 8 | SE 10 | SE 10 | N 7 | NNE 7 | NNE 6 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 10 |
| kJ | 41 | 41 | 41 | 13 | 13 | 53 | 54 | 40 | 40 | 40 | 6 | 6 | 49 | 48 | 27 | 15 | 8 | 34 | 46 | 45 | 44 | 31 | 31 | 44 |
Swell 3 Height (m) Direction Period (s) | N 8 | N 8 | NNE 8 | S 8 | S 8 | NNE 5 | N 8 | NNE 8 | NNE 8 | NNE 7 | NW 9 | N 10 | NNE 8 | N 7 | SE 10 | N 10 | SE 10 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 |
| kJ | 13 | 12 | 13 | 4 | 4 | 9 | 5 | 11 | 11 | 18 | 3 | 2 | 6 | 27 | 48 | 2 | 25 | 10 | 9 | 9 | 5 | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | ENE 8 | ENE 8 | — | — | — | — | — | ENE 8 | ENE 8 | SSE 3 | SSE 4 | SSE 5 | SSE 5 | SSE 6 | S 6 | S 5 | S 4 | SSE 4 | SSE 4 | S 4 | S 4 |
| kJ | — | — | — | 94 | 125 | — | — | — | — | — | 207 | 257 | 2 | 5 | 15 | 133 | 205 | 72 | 30 | 14 | 13 | 13 | 11 | 14 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2270 | 2264 | 0 | 2270 | 2264 | 0 | 0 | 0 | 0 | 1290 | 0 | 0 | 0 | 0 | 0 | 1290 | 1290 | 1290 | 1290 | 0 | 0 | 1290 | 0 | 1290 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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