Surf Forecasts:
How big are the waves at Boat Basin Lefts today (31 Oct):
- Morning surf: Morning surf (31 Oct, local time) - 5ft (1.6m), 12s period with NNE swell.
- Afternoon surf: Afternoon surf (31 Oct, local time) - 6.5ft (2.0m), 12s period with N swell.
- Evening surf: Evening surf (31 Oct, local time) - 6.5ft (2.0m), 12s period with N swell.
The current surf forecast for Boat Basin Lefts at 10AM is: 1.6m 12s primary swell from a North direction and 0.5m 10s secondary swell from a East-northeast direction (forecast issued at 03:00am October 31). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Oct) | 5ft (1.6m) | 12s |
| Afternoon (31 Oct) | 6.5ft (2.0m) | 12s |
| Evening (31 Oct) | 6.5ft (2.0m) | 12s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Mon night. Warm (max 28°C on Sat morning, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 31 | Sunday 1 | Monday 2 | ||||||||||||||||||||||
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) | NE 12 | NNE 12 | NNE 12 | N 12 | N 12 | N 12 | N 12 | N 12 | NNW 12 | NNW 12 | NNW 11 | NNW 12 | NNW 12 | NNW 12 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | NNW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 812 | 616 | 593 | 687 | 986 | 1113 | 1174 | 1194 | 1047 | 833 | 693 | 625 | 647 | 625 | 917 | 1174 | 1279 | 1299 | 1319 | 1279 | 1042 | 1009 | 931 | 931 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross | cross | cross-on | glassy | glassy | glassy | cross | glassy | glassy | glassy | cross-off | glassy | cross-off | cross | cross-off | cross-off | off | off | cross-off | off |
High Tide | 12:56PM0.88m | 10:13PM0.84m | 2:00PM0.87m | 11:19PM0.79m | 2:56PM0.87m | |||||||||||||||||||
Low Tide | 5:07AM0.03m | 5:54PM0.71m | 6:05AM0.09m | 7:17PM0.70m | 7:08AM0.17m | 8:43PM0.64m | ||||||||||||||||||
 |  |  |  | | | | | | | | | | | | | | | | | | | | | |
 | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 28 | 29 | 31 | 31 | 31 | 31 | 32 | 32 | 31 | 30 | 31 | 33 | 32 | 32 | 32 | 30 | 30 | 30 | 30 | 31 | 31 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | NE 12 | NNE 12 | NNE 12 | N 12 | N 12 | N 12 | N 12 | N 12 | NNW 12 | NNW 12 | NNW 11 | NNW 12 | NNW 12 | NNW 12 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | NNW 12 |
| kJ | 812 | 616 | 593 | 687 | 986 | 1113 | 1174 | 1194 | 1047 | 833 | 693 | 625 | 647 | 625 | 917 | 1174 | 1279 | 1299 | 1319 | 1279 | 1042 | 1009 | 931 | 931 |
Swell 2 Height (m) Direction Period (s) | NW 9 | NW 9 | ENE 11 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 28 | 27 | 64 | 58 | 56 | 58 | 55 | 46 | 43 | 40 | 40 | 40 | 42 | 44 | 44 | 43 | 42 | 42 | 50 | 49 | 49 | 55 | 54 | 54 |
Swell 3 Height (m) Direction Period (s) | SE 9 | ENE 11 | NW 9 | NNW 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 |
| kJ | 13 | 40 | 26 | 68 | 21 | 21 | 12 | 12 | 12 | 12 | 20 | 19 | 12 | 11 | 11 | 11 | 11 | 26 | 25 | 25 | 24 | 23 | 23 | 22 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 0 | 0 | 0 | 11 | 16 | 11 | 0 | 0 | 0 | 229 | 0 | 0 | 0 | 0 | 0 | 0 | 229 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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