Surf Forecasts:
How big are the waves at Boat Basin Lefts today (16 Oct):
- Morning surf: Morning surf (16 Oct, local time) - 2ft (0.6m), 9s period with ENE swell.
- Afternoon surf: Afternoon surf (16 Oct, local time) - 3ft (0.9m), 9s period with ENE swell.
- Evening surf: Evening surf (16 Oct, local time) - 3ft (0.9m), 9s period with ENE swell.
The current surf forecast for Boat Basin Lefts at 9AM is: 0.6m 9s primary swell from a East-northeast direction and 0.4m 9s secondary swell from a North direction (forecast issued at 03:00am October 16). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Oct) | 2ft (0.6m) | 9s |
| Afternoon (16 Oct) | 3ft (0.9m) | 9s |
| Evening (16 Oct) | 3ft (0.9m) | 9s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 234mm), heaviest during Sun afternoon. Warm (max 29°C on Fri morning, min 25°C on Sun afternoon). Winds increasing (light winds from the ENE on Fri afternoon, extremely windy from the W by Sun morning). | ||||||||||||||||||||||||
Friday 16 | Saturday 17 | Sunday 18 | ||||||||||||||||||||||
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 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | E 13 | E 13 | E 14 | E 14 | E 14 | ENE 14 | ENE 13 | NNE 12 | N 12 | NW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 59 | 59 | 58 | 58 | 116 | 119 | 124 | 192 | 192 | 180 | 207 | 203 | 197 | 320 | 1060 | 2682 | 5286 | 5745 | 6981 | 5950 | 7332 | 7380 | 6397 | 5739 |
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 | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-off | cross-off | cross-off |
High Tide | 12:32PM0.79m | 9:43PM0.78m | 1:39PM0.77m | 10:16PM0.76m | 2:49PM0.77m | |||||||||||||||||||
Low Tide | 4:49AM0.17m | 5:10PM0.67m | 5:35AM0.20m | 6:07PM0.69m | 6:27AM0.24m | 7:30PM0.69m | ||||||||||||||||||
 |  |  |  |  | | | | |  | | | | | | | | | | | | | |  | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | 1 | — | — | 1 | — | — | — | — | 1 | — | — | — | — | — | 1 | 22 | 3 | 2 | 5 | 17 | 41 | 69 | 38 | 8 |
Temp °C | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 25 | 25 |
Feels °C | 30 | 30 | 30 | 30 | 31 | 32 | 32 | 31 | 29 | 30 | 29 | 29 | 30 | 28 | 26 | 25 | 24 | 23 | 21 | 16 | 10 | 13 | 14 | 17 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | E 13 | E 13 | E 14 | E 14 | E 14 | ENE 14 | ENE 13 | NNE 12 | N 12 | NW 11 |
| kJ | 59 | 59 | 58 | 58 | 116 | 119 | 124 | 192 | 192 | 180 | 207 | 203 | 197 | 320 | 1060 | 2682 | 5286 | 5745 | 6981 | 5950 | 7332 | 7380 | 6397 | 5739 |
Swell 2 Height (m) Direction Period (s) | N 9 | N 9 | N 9 | N 9 | N 8 | SE 9 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | E 11 | E 13 | NE 10 | SE 9 | — | — | SE 11 | ESE 11 | — | ESE 11 | — | SE 10 |
| kJ | 41 | 41 | 25 | 25 | 22 | 22 | 49 | 48 | 50 | 50 | 49 | 49 | 40 | 88 | 80 | 13 | — | — | 5 | 12 | — | 12 | — | 4 |
Swell 3 Height (m) Direction Period (s) | NE 12 | NE 12 | NE 12 | SE 10 | SE 9 | N 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 9 | — | — | — | — | — | — | ESE 11 | — | — |
| kJ | 37 | 36 | 35 | 23 | 23 | 12 | 22 | 21 | 21 | 13 | 13 | 14 | 14 | 14 | 14 | — | — | — | — | — | — | 11 | — | — |
Wind waves Height (m) Direction Period (s) | ENE 3 | NE 3 | NE 3 | NE 4 | — | — | — | — | — | — | — | — | N 10 | N 10 | N 5 | N 6 | N 7 | N 7 | N 8 | N 8 | NNW 9 | WNW 8 | W 9 | SSW 9 |
| kJ | 4 | 2 | 3 | 6 | — | — | — | — | — | — | — | — | 92 | 148 | 68 | 205 | 403 | 538 | 865 | 1794 | 2310 | 2708 | 6102 | 5230 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 1290 | 1290 | 0 | 1290 | 1290 | 17 | 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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