Surf Forecasts:
How big are the waves at Boat Basin Lefts today (14 Jul):
- Morning surf: Morning surf (14 Jul, local time) - 2.5ft (0.8m), 11s period with WNW swell.
- Afternoon surf: Afternoon surf (14 Jul, local time) - 2ft (0.6m), 11s period with WNW swell.
- Evening surf: Evening surf (14 Jul, local time) - 2ft (0.6m), 11s period with WNW swell.
The current surf forecast for Boat Basin Lefts at 7AM is: 0.8m 11s primary swell from a West-northwest direction (forecast issued at 03:00am July 14). An open ocean swell of 0.8m 8s is not directed at the surf break, a second open ocean swell of 1.0m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Jul) | 2.5ft (0.8m) | 11s |
| Afternoon (14 Jul) | 2ft (0.6m) | 11s |
| Evening (14 Jul) | 2ft (0.6m) | 11s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Thu night. Warm (max 29°C on Tue afternoon, min 27°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 14 | Wednesday 15 | Thursday 16 | ||||||||||||||||||||||
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) | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 186 | 143 | 138 | 135 | 93 | 97 | 93 | 90 | 64 | 58 | 38 | 31 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 28 | 28 | 28 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross | cross |
High Tide | 5:45AM0.95m | 9:11PM0.93m | 6:45AM0.95m | 9:50PM0.94m | 7:44AM0.93m | |||||||||||||||||||
Low Tide | 1:03AM0.73m | 1:33PM-0.07m | 2:00AM0.71m | 2:22PM-0.06m | 2:54AM0.67m | 3:09PM-0.00m | ||||||||||||||||||
 |  |  |  | | | | |  | | | | | | | | | | |  | | | | | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — |
mm | — | — | — | 1 | — | — | — | — | 1 | — | — | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | 1 | 1 |
Temp °C | 28 | 27 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 31 | 29 | 30 | 30 | 29 | 31 | 31 | 31 | 31 | 30 | 30 | 29 | 29 | 29 | 31 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 11 | WNW 11 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | WSW 8 | SE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 8 | ENE 9 |
| kJ | 186 | 143 | 138 | 135 | 58 | 50 | 61 | 48 | 45 | 26 | 25 | 24 | 25 | 34 | 35 | 251 | 34 | 27 | 34 | 34 | 34 | 27 | 27 | 28 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 8 | SE 8 | SE 8 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | E 10 | E 10 | E 10 | E 10 | SE 8 | E 10 | E 10 | E 10 | E 9 | ENE 9 | ENE 9 | ENE 9 | SSE 8 |
| kJ | 58 | 50 | 75 | 63 | 93 | 97 | 93 | 90 | 64 | 58 | 38 | 29 | 29 | 29 | 29 | 35 | 29 | 29 | 29 | 28 | 29 | 28 | 28 | 27 |
Swell 3 Height (m) Direction Period (s) | SE 8 | WSW 9 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | E 10 | NNE 8 | NE 9 | NE 9 | S 8 | S 8 | S 8 | S 8 | SE 12 |
| kJ | 18 | 15 | 49 | 42 | 39 | 43 | 43 | 42 | 44 | 46 | 30 | 31 | 17 | 17 | 17 | 29 | 7 | 3 | 3 | 5 | 5 | 5 | 5 | 6 |
Wind waves Height (m) Direction Period (s) | SSE 6 | SSE 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SW 7 | SW 7 | SW 7 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 8 | — | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 |
| kJ | 80 | 89 | 69 | 149 | 173 | 180 | 173 | 167 | 194 | 221 | 244 | 248 | 264 | 278 | 267 | — | 251 | 245 | 238 | 232 | 240 | 270 | 310 | 402 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2275 | 1836 | 1836 | 1836 | 1836 | 229 | 229 | 229 | 1836 | 1836 | 1836 | 1836 | 229 | 229 | 229 | 229 | 229 | 229 | 1996 | 1958 | 2075 | 1958 | 2075 | 1958 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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