Surf Forecasts:
How big are the waves at Boat Basin Lefts today (07 Aug):
- Morning surf: Morning surf (07 Aug, local time) - 4.5ft (1.4m), 13s period with NW swell.
- Afternoon surf: Afternoon surf (07 Aug, local time) - 6.5ft (2.0m), 9s period with W swell.
- Evening surf: Evening surf (07 Aug, local time) - 7ft (2.1m), 10s period with W swell.
The current surf forecast for Boat Basin Lefts at 1PM is: 2.0m 9s primary swell from a West direction and 1.3m 13s secondary swell from a Northwest direction, 0.6m 10s secondary swell from a East-northeast direction (forecast issued at 09:00am August 07). The wind direction is predicted to be cross-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Aug) | 4.5ft (1.4m) | 13s |
| Afternoon (07 Aug) | 6.5ft (2.0m) | 9s |
| Evening (07 Aug) | 7ft (2.1m) | 10s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Sun night. Warm (max 29°C on Sat morning, min 27°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||
Friday 7 | Saturday 8 | Sunday 9 | ||||||||||||||||||||
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) | NW 13 | NW 13 | W 9 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 841 | 613 | 709 | 731 | 763 | 832 | 832 | 855 | 947 | 947 | 942 | 922 | 922 | 947 | 1045 | 1177 | 1379 | 1379 | 1334 | 1283 | 1283 | 1252 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on |
High Tide | 4:04PM0.73m | 1:21AM0.89m | 5:38PM0.78m | 2:19AM0.89m | 6:40PM0.83m | |||||||||||||||||
Low Tide | 8:25AM0.20m | 7:41PM0.68m | 9:30AM0.13m | 9:14PM0.73m | 10:34AM0.07m | |||||||||||||||||
 | | | |  |  | | | | | | |  | | | |  |  | | | | | |
 | 6:05 | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | 2 | 1 | 1 | 1 | 1 | — | 1 | 1 | 2 | 1 | 1 | 2 | — | — | 1 | — | — | — | — | — | — | 1 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 |
Feels °C | 30 | 29 | 28 | 28 | 29 | 30 | 29 | 30 | 28 | 29 | 30 | 29 | 29 | 30 | 29 | 29 | 29 | 30 | 29 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | ENE 10 | NW 12 | NW 12 | ENE 14 | ENE 13 | ENE 12 | ENE 12 | NE 12 | NE 12 | NE 12 | ENE 12 | NE 12 |
| kJ | 841 | 613 | 519 | 435 | 373 | 240 | 232 | 195 | 153 | 147 | 72 | 207 | 210 | 236 | 229 | 196 | 187 | 147 | 144 | 112 | 93 | 67 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | NW 11 | ENE 10 | ENE 14 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | SE 10 | SE 10 | SE 9 | SE 10 |
| kJ | 71 | 68 | 68 | 69 | 99 | 95 | 94 | 94 | 95 | 95 | 75 | 72 | 129 | 169 | 137 | 83 | 43 | 19 | 14 | 14 | 14 | 14 |
Swell 3 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SE 9 | SSE 8 | SE 9 | SE 9 | ENE 14 | NW 13 | NE 14 | ENE 10 | SE 11 | SE 10 | SE 11 | SE 10 | SE 10 | NW 11 | NW 11 | SSE 9 | SE 8 |
| kJ | 45 | 43 | 28 | 28 | 28 | 14 | 11 | 22 | 22 | 78 | 109 | 96 | 60 | 18 | 17 | 18 | 15 | 15 | 19 | 19 | 8 | 3 |
Wind waves Height (m) Direction Period (s) | W 9 | W 9 | W 9 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 |
| kJ | 529 | 567 | 709 | 731 | 763 | 832 | 832 | 855 | 947 | 947 | 942 | 922 | 922 | 947 | 1045 | 1177 | 1379 | 1379 | 1334 | 1283 | 1283 | 1252 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 1836 | 1836 | 1905 | 1864 | 1864 | 1836 | 1836 | 1836 | 1836 | 1836 | 2064 | 1907 | 1866 | 1836 | 1836 | 1836 | 1836 | 1836 | 1885 | 1905 | 1905 | 1290 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||
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