Surf Forecasts:
How big are the waves at Boat Basin Lefts today (05 Aug):
- Afternoon surf: Afternoon surf (05 Aug, local time) - 4.5ft (1.4m), 13s period with NNE swell.
- Evening surf: Evening surf (05 Aug, local time) - 4.5ft (1.4m), 13s period with N swell.
The current surf forecast for Boat Basin Lefts at 12AM is: 1.4m 13s primary swell from a North direction (forecast issued at 03:00pm August 04). An open ocean swell of 0.4m 8s is not directed at the surf break, a second open ocean swell of 2.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Aug) | - | - |
| Afternoon (05 Aug) | 4.5ft (1.4m) | 13s |
| Evening (05 Aug) | 4.5ft (1.4m) | 13s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 45mm), heaviest during Thu night. Warm (max 29°C on Wed morning, min 27°C on Tue afternoon). Mainly strong winds. | ||||||||||||||||||||
Tue 4 | Wednesday 5 | Thursday 6 | ||||||||||||||||||
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) | NNE 13 | NNE 13 | NNE 13 | N 13 | N 13 | N 13 | N 13 | N 12 | N 12 | N 12 | N 12 | NNW 12 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 683 | 632 | 690 | 663 | 643 | 643 | 610 | 591 | 594 | 505 | 497 | 511 | 670 | 803 | 803 | 757 | 757 | 799 | 875 | 1077 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:17AM0.74m | 11:30PM0.90m | 12:35PM0.71m | 11:59PM0.89m | 2:12PM0.71m | |||||||||||||||
Low Tide | 5:06PM0.43m | 6:27AM0.34m | 5:46PM0.52m | 7:23AM0.27m | 6:34PM0.61m | |||||||||||||||
 | |  | | | | | | | |  | | | | | | | | | | |
 | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | 6:46 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | 2 | 1 | — | — | — | — | 2 | 2 | 2 | 1 | 1 | 2 | 4 | 4 | 3 | 2 | 2 | 3 | 5 | 6 |
Temp °C | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 |
Feels °C | 26 | 25 | 26 | 27 | 28 | 28 | 28 | 28 | 29 | 28 | 29 | 29 | 29 | 29 | 30 | 31 | 30 | 29 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | NNE 13 | NNE 13 | NNE 13 | N 13 | N 13 | N 13 | N 13 | N 12 | N 12 | N 12 | N 12 | NNW 12 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 13 |
| kJ | 683 | 632 | 690 | 663 | 643 | 643 | 610 | 591 | 594 | 505 | 497 | 511 | 670 | 803 | 803 | 757 | 757 | 799 | 875 | 1077 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ENE 13 | SSE 8 | SSE 8 | NE 12 | SSE 8 | NE 12 | ENE 12 | SSE 8 | ENE 11 | S 8 | S 8 | S 8 | S 8 | SSE 8 | SSE 9 |
| kJ | 18 | 17 | 11 | 17 | 17 | 33 | 28 | 28 | 36 | 14 | 35 | 54 | 21 | 49 | 48 | 33 | 33 | 33 | 40 | 45 |
Swell 3 Height (m) Direction Period (s) | ENE 14 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | SE 9 | ENE 13 | NE 13 | SE 8 | NE 12 | SE 12 | SE 12 | ENE 12 | SSE 8 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
| kJ | 18 | 17 | 34 | 17 | 33 | 19 | 33 | 41 | 18 | 35 | 22 | 6 | 52 | 23 | 48 | 42 | 41 | 41 | 42 | 42 |
Wind waves Height (m) Direction Period (s) | WSW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | W 8 | WSW 8 | WSW 8 | WSW 8 |
| kJ | 440 | 673 | 715 | 709 | 597 | 597 | 592 | 592 | 592 | 630 | 630 | 646 | 629 | 574 | 509 | 509 | 500 | 509 | 509 | 522 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1905 | 1864 | 1864 | 1836 | 1836 | 1836 | 1290 | 1837 | 1908 | 1908 | 1290 | 1836 | 1836 | 1836 | 16 | 16 | 1905 | 1905 | 1866 | 16 |
Best forecast wave conditions in Guam | ||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||
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