Surf Forecasts:
How big are the waves at Boat Basin Lefts today (06 Aug):
- Morning surf: Morning surf (06 Aug, local time) - 5ft (1.5m), 12s period with NNW swell.
- Afternoon surf: Afternoon surf (06 Aug, local time) - 4.5ft (1.4m), 12s period with NNW swell.
- Evening surf: Evening surf (06 Aug, local time) - 4.5ft (1.4m), 12s period with NNW swell.
The current surf forecast for Boat Basin Lefts at 1AM is: 1.5m 12s primary swell from a North-northwest direction and 0.4m 12s secondary swell from a East-northeast direction (forecast issued at 09:00pm August 05). An open ocean swell of 2.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Aug) | 5ft (1.5m) | 12s |
| Afternoon (06 Aug) | 4.5ft (1.4m) | 12s |
| Evening (06 Aug) | 4.5ft (1.4m) | 12s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 36mm), heaviest during Wed night. Warm (max 29°C on Thu morning, min 28°C on Wed night). Mainly fresh winds. | ||||||||||||||||||
Wed 5 | Thursday 6 | Friday 7 | ||||||||||||||||
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) | N 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NW 13 | NW 13 | NW 13 | W 10 | W 9 | W 10 | W 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 497 | 511 | 650 | 629 | 656 | 666 | 598 | 589 | 517 | 554 | 702 | 841 | 700 | 656 | 724 | 747 | 928 | 957 |
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-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on |
High Tide | 11:59PM0.89m | 2:12PM0.71m | 00:35AM0.89m | 4:04PM0.73m | ||||||||||||||
Low Tide | 5:46PM0.52m | 7:23AM0.27m | 6:34PM0.61m | 8:25AM0.20m | 7:41PM0.68m | |||||||||||||
 |  | | |  | | | | | | | |  | | | | | | |
 | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | 2 | 6 | 7 | 5 | 2 | 1 | 2 | 1 | 1 | 2 | 1 | — | 1 | 1 | 1 | 1 | — |
Temp °C | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 |
Feels °C | 31 | 29 | 29 | 29 | 29 | 31 | 30 | 30 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | N 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 |
| kJ | 497 | 511 | 650 | 629 | 656 | 666 | 598 | 589 | 517 | 554 | 702 | 841 | 700 | 613 | 594 | 486 | 341 | 297 |
Swell 2 Height (m) Direction Period (s) | NE 12 | S 6 | ENE 12 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 11 | ENE 10 |
| kJ | 35 | 38 | 52 | 49 | 48 | 62 | 59 | 52 | 52 | 48 | 65 | 46 | 71 | 69 | 68 | 71 | 99 | 95 |
Swell 3 Height (m) Direction Period (s) | SE 12 | ENE 12 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | S 8 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 22 | 54 | 21 | 14 | 22 | 22 | 33 | 43 | 41 | 42 | 69 | 71 | 45 | 43 | 28 | 28 | 13 | 24 |
Wind waves Height (m) Direction Period (s) | WSW 8 | W 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | W 8 | WSW 8 | W 8 | W 8 | W 8 | W 8 | W 9 | W 9 | W 10 | W 9 | W 10 | W 10 |
| kJ | 650 | 535 | 599 | 547 | 497 | 497 | 439 | 448 | 488 | 439 | 450 | 412 | 529 | 656 | 724 | 747 | 928 | 957 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 16 | 1290 | 1836 | 1836 | 1836 | 1836 | 1908 | 1864 | 1864 | 16 | 16 | 16 | 16 | 1836 | 1905 | 1905 | 1864 | 1836 |
Best forecast wave conditions in Guam | ||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||
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