Surf Forecasts:
How big are the waves at Boat Basin Lefts today (15 Oct):
- Morning surf: Morning surf (15 Oct, local time) - 2ft (0.6m), 9s period with ENE swell.
- Afternoon surf: Afternoon surf (15 Oct, local time) - 2ft (0.6m), 10s period with N swell.
- Evening surf: Evening surf (15 Oct, local time) - 2ft (0.6m), 9s period with ENE swell.
The current surf forecast for Boat Basin Lefts at 8AM is: 0.6m 9s primary swell from a East-northeast direction and 0.5m 8s secondary swell from a North direction (forecast issued at 03:00am October 15). The wind direction is predicted to be glassy.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Oct) | 2ft (0.6m) | 9s |
| Afternoon (15 Oct) | 2ft (0.6m) | 10s |
| Evening (15 Oct) | 2ft (0.6m) | 9s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 22mm), heaviest during Sat night. Warm (max 28°C on Thu morning, min 27°C on Thu morning). Winds increasing (light winds from the ENE on Thu morning, near gales from the NNW by Sat night). | ||||||||||||||||||||||||
Thursday 15 | Friday 16 | Saturday 17 | ||||||||||||||||||||||
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 | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | ENE 9 | N 11 | N 10 | N 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | NE 9 | ENE 9 | ENE 9 | ENE 9 | NE 9 | ENE 10 | ENE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 62 | 61 | 61 | 61 | 61 | 71 | 69 | 61 | 61 | 59 | 58 | 58 | 106 | 108 | 124 | 145 | 192 | 203 | 226 | 226 | 261 | 300 | 433 | 577 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:34AM0.82m | 9:15PM0.81m | 12:32PM0.79m | 9:43PM0.78m | 1:39PM0.77m | |||||||||||||||||||
Low Tide | 4:08AM0.15m | 4:28PM0.65m | 4:49AM0.17m | 5:10PM0.67m | 5:35AM0.20m | 6:07PM0.69m | ||||||||||||||||||
 |  |  |  |  | | | | | | | | | | | | |  | | | | | | | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 1 | — | — | — | 3 | 5 |
Temp °C | 26 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 |
Feels °C | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 30 | 29 | 29 | 28 | 30 | 28 | 28 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | NE 9 | ENE 9 | ENE 9 | ENE 9 | NE 9 | ENE 10 | ENE 10 |
| kJ | 62 | 61 | 61 | 61 | 61 | 62 | 62 | 61 | 61 | 59 | 58 | 58 | 106 | 108 | 124 | 145 | 192 | 203 | 226 | 226 | 261 | 300 | 433 | 577 |
Swell 2 Height (m) Direction Period (s) | N 8 | N 8 | N 8 | N 9 | N 11 | N 10 | N 10 | N 10 | N 9 | N 9 | N 9 | N 9 | N 8 | N 8 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | E 11 | SE 9 | SE 9 |
| kJ | 34 | 33 | 33 | 36 | 55 | 71 | 69 | 46 | 41 | 41 | 25 | 25 | 22 | 21 | 49 | 48 | 48 | 50 | 49 | 48 | 48 | 84 | 13 | 13 |
Swell 3 Height (m) Direction Period (s) | ENE 13 | ENE 13 | N 11 | ENE 13 | ENE 13 | ENE 12 | NE 12 | ENE 12 | NE 12 | NE 12 | NE 12 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | N 10 | NNE 9 | — |
| kJ | 17 | 17 | 9 | 17 | 17 | 29 | 37 | 56 | 37 | 36 | 35 | 23 | 23 | 22 | 22 | 21 | 21 | 13 | 13 | 14 | 14 | 47 | 17 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NE 2 | NE 3 | NE 4 | NE 4 | — | — | — | — | — | — | N 4 | N 4 | — | N 3 | NNE 9 | N 5 |
| kJ | — | — | — | — | — | — | — | — | 1 | 2 | 6 | 7 | — | — | — | — | — | — | 3 | 4 | — | 6 | 141 | 74 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 3 | 0 | 0 | 1290 | 20 | 20 | 1290 | 0 | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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