Surf Forecasts:
How big are the waves at Boat Basin Lefts today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 1.5ft (0.5m), 14s period with E swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 1.5ft (0.5m), 14s period with E swell.
- Evening surf: Evening surf (10 Sep, local time) - 2ft (0.6m), 14s period with E swell.
The current surf forecast for Boat Basin Lefts at 5AM is: 0.9m 9s primary swell from a West-northwest direction and 0.7m 9s secondary swell from a East-northeast direction (forecast issued at 09:00pm September 09). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 1.5ft (0.5m) | 14s |
| Afternoon (10 Sep) | 1.5ft (0.5m) | 14s |
| Evening (10 Sep) | 2ft (0.6m) | 14s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Thu afternoon. Warm (max 30°C on Thu morning, min 27°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Wed 9 | Thursday 10 | Friday 11 | ||||||||||||||||
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) | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 |
Wave Graph  | ||||||||||||||||||
 kJ | 172 | 172 | 168 | 121 | 116 | 98 | 96 | 94 | 94 | 138 | 144 | 144 | 136 | 132 | 132 | 184 | 195 | 198 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 7:18PM0.89m | 6:01AM0.87m | 7:46PM0.90m | 7:04AM0.88m | 8:11PM0.90m | |||||||||||||
Low Tide | 00:47AM0.57m | 12:58PM0.17m | 1:31AM0.48m | 1:42PM0.23m | ||||||||||||||
 | |  |  |  | |  | |  | | | | | | | | | | |
 | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:24 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 28 | 28 | 29 | 30 | 29 | 28 | 28 | 28 | 27 | 27 | 28 | 29 | 29 | 28 | 28 |
Feels °C | 30 | 30 | 31 | 31 | 31 | 31 | 33 | 32 | 31 | 32 | 33 | 31 | 31 | 31 | 31 | 32 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 14 |
| kJ | 172 | 172 | 168 | 121 | 116 | 82 | 70 | 86 | 86 | 84 | 86 | 84 | 69 | 59 | 78 | 61 | 62 | 198 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | NNE 12 | ENE 9 | ENE 9 | ENE 8 | NE 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | ENE 8 |
| kJ | 29 | 46 | 44 | 67 | 64 | 72 | 73 | 72 | 53 | 53 | 144 | 144 | 136 | 132 | 132 | 184 | 195 | 61 |
Swell 3 Height (m) Direction Period (s) | NNE 12 | ENE 15 | ENE 15 | ENE 15 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | WNW 8 | WNW 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 |
| kJ | 46 | 72 | 72 | 71 | 107 | 98 | 96 | 94 | 94 | 138 | 51 | 50 | 44 | 29 | 29 | 17 | 17 | 17 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 2 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 2077 | 1908 | 2064 | 2064 | 0 | 26 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||
Header Global | ||||||||||||||||||
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