Surf Forecasts:
How big are the waves at Boat Basin Lefts today (25 Aug):
- Morning surf: Morning surf (25 Aug, local time) - 2ft (0.6m), 13s period with ENE swell.
- Afternoon surf: Afternoon surf (25 Aug, local time) - 2ft (0.6m), 13s period with ENE swell.
- Evening surf: Evening surf (25 Aug, local time) - 2ft (0.6m), 13s period with ENE swell.
The current surf forecast for Boat Basin Lefts at 7AM is: 0.6m 13s primary swell from a East-northeast direction (forecast issued at 03:00am August 25). An open ocean swell of 1.9m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Aug) | 2ft (0.6m) | 13s |
| Afternoon (25 Aug) | 2ft (0.6m) | 13s |
| Evening (25 Aug) | 2ft (0.6m) | 13s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 27mm), heaviest during Tue morning. Warm (max 29°C on Tue morning, min 27°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 25 | Wednesday 26 | Thursday 27 | ||||||||||||||||||||||
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) | NNW 10 | ENE 14 | ENE 13 | ENE 13 | W 9 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | NW 11 | NW 11 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | NE 14 | ENE 11 | ENE 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 90 | 143 | 141 | 139 | 327 | 135 | 133 | 131 | 129 | 86 | 83 | 82 | 82 | 81 | 81 | 78 | 74 | 71 | 70 | 69 | 68 | 68 | 79 | 64 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross | cross |
High Tide | 4:06AM0.79m | 7:38PM0.81m | 5:07AM0.81m | 8:01PM0.83m | 6:01AM0.83m | 8:21PM0.85m | ||||||||||||||||||
Low Tide | 11:37PM0.69m | 11:57AM0.17m | 00:23AM0.66m | 12:37PM0.16m | 1:03AM0.62m | 1:14PM0.17m | ||||||||||||||||||
 | |  | | | |  | | | | | |  | |  | | | | | | | | | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:36 | — | — |
mm | — | — | 2 | 4 | 1 | 1 | 3 | 2 | 1 | 2 | 1 | 1 | — | 1 | — | — | — | — | — | 1 | 2 | 4 | 1 | — |
Temp °C | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 29 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 31 | 31 | 31 | 30 | 31 | 31 | 31 | 29 | 30 | 30 | 31 | 31 | 30 | 32 | 31 | 31 | 30 | 30 | 32 | 32 | 32 | 31 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | WSW 10 | WSW 10 | WSW 10 | WSW 10 | W 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | ENE 11 | SW 7 | ENE 11 |
| kJ | 637 | 657 | 657 | 551 | 327 | 329 | 300 | 235 | 229 | 123 | 186 | 178 | 173 | 173 | 134 | 125 | 97 | 101 | 99 | 81 | 79 | 68 | 118 | 64 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | NNW 10 | ENE 13 | ENE 13 | SW 8 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | W 8 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | NW 10 | ENE 11 | NW 10 |
| kJ | 90 | 94 | 141 | 139 | 65 | 135 | 133 | 131 | 129 | 64 | 83 | 82 | 82 | 81 | 81 | 78 | 74 | 71 | 70 | 69 | 68 | 35 | 79 | 46 |
Swell 3 Height (m) Direction Period (s) | S 8 | ENE 14 | NNW 10 | NNW 10 | ENE 13 | NNW 10 | NW 10 | NW 10 | NW 10 | ENE 12 | NW 10 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NE 14 | NW 10 | NE 13 |
| kJ | 41 | 143 | 71 | 67 | 137 | 38 | 53 | 52 | 50 | 86 | 37 | 67 | 80 | 75 | 56 | 51 | 36 | 37 | 37 | 35 | 35 | 54 | 34 | 45 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 7 | SW 7 | SW 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 109 | 97 | 112 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 0 | 229 | 229 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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