Surf Forecasts:
How big are the waves at Boat Basin Lefts today (30 Oct):
- Morning surf: Morning surf (30 Oct, local time) - 8ft (2.5m), 18s period with ENE swell.
- Afternoon surf: Afternoon surf (30 Oct, local time) - 10ft (3.0m), 15s period with ENE swell.
- Evening surf: Evening surf (30 Oct, local time) - 7ft (2.1m), 13s period with NE swell.
The current surf forecast for Boat Basin Lefts at 9AM is: 2.5m 18s primary swell from a East-northeast direction and 0.4m 10s secondary swell from a North-northwest direction (forecast issued at 03:00am October 30). The wind direction is predicted to be onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Oct) | 8ft (2.5m) | 18s |
| Afternoon (30 Oct) | 10ft (3.0m) | 15s |
| Evening (30 Oct) | 7ft (2.1m) | 13s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Fri afternoon. Warm (max 28°C on Fri morning, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 30 | Saturday 31 | Sunday 1 | ||||||||||||||||||||||
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 14 | ENE 18 | ENE 19 | ENE 17 | ENE 16 | ENE 15 | ENE 14 | NE 13 | NE 12 | NNE 12 | NNE 11 | NNE 11 | N 11 | N 12 | N 11 | N 11 | N 11 | N 11 | NNW 11 | NNW 11 | NNW 11 | NNW 12 | NNW 12 | NNW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 947 | 1081 | 3813 | 4494 | 4101 | 3219 | 2218 | 1242 | 761 | 647 | 544 | 572 | 783 | 855 | 821 | 733 | 640 | 545 | 478 | 423 | 423 | 583 | 706 | 834 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | cross-on | glassy | glassy |
High Tide | 11:51AM0.90m | 9:21PM0.88m | 12:56PM0.88m | 10:13PM0.84m | 2:00PM0.87m | |||||||||||||||||||
Low Tide | 4:13AM-0.00m | 4:47PM0.70m | 5:07AM0.03m | 5:54PM0.71m | 6:05AM0.09m | 7:17PM0.70m | ||||||||||||||||||
 | |  | | | |  |  | | |  | | | | | | | | | | | | | | |
 | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 27 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 28 | 28 | 30 | 30 | 31 | 30 | 30 | 30 | 29 | 28 | 28 | 30 | 29 | 29 | 29 | 30 | 31 | 31 | 31 | 31 | 32 | 32 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | ENE 14 | ENE 13 | ENE 19 | ENE 17 | ENE 16 | ENE 15 | ENE 14 | NE 13 | NE 12 | NNE 12 | NNE 11 | NNE 11 | N 11 | N 12 | N 11 | N 11 | N 11 | N 11 | NNW 11 | NNW 11 | NNW 11 | NNW 12 | NNW 12 | NNW 12 |
| kJ | 947 | 653 | 3813 | 4494 | 4101 | 3219 | 2218 | 1242 | 761 | 647 | 544 | 572 | 783 | 855 | 821 | 733 | 640 | 545 | 478 | 423 | 423 | 583 | 706 | 834 |
Swell 2 Height (m) Direction Period (s) | E 19 | ENE 18 | NNW 10 | NNW 10 | NNW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | ENE 11 | NNW 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 |
| kJ | 259 | 1081 | 38 | 36 | 49 | 41 | 29 | 20 | 28 | 27 | 65 | 95 | 56 | 56 | 55 | 54 | 43 | 40 | 40 | 40 | 42 | 44 | 44 | 59 |
Swell 3 Height (m) Direction Period (s) | NW 10 | NW 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ENE 11 | NW 9 | ENE 10 | SE 9 | NW 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 |
| kJ | 26 | 35 | 13 | 22 | 22 | 13 | 13 | 13 | 13 | 40 | 19 | 57 | 13 | 48 | 12 | 12 | 12 | 12 | 12 | 19 | 12 | 11 | 11 | 11 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 11 | 11 | 11 | 11 | 16 | 11 | 1290 | 0 | 11 | 0 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 0 | 0 | 11 | 0 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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