Surf Forecasts:
How big are the waves at Boat Basin Lefts today (06 Jul):
- Morning surf: Morning surf (06 Jul, local time) - 25ft (7.5m), 14s period with N swell.
- Afternoon surf: Afternoon surf (06 Jul, local time) - 15ft (4.5m), 13s period with NNW swell.
- Evening surf: Evening surf (06 Jul, local time) - 10ft (3.0m), 12s period with NW swell.
The current surf forecast for Boat Basin Lefts at 1AM is: 5.0m 15s primary swell from a East-northeast direction and 4.0m 9s secondary swell from a North-northwest direction (forecast issued at 09:00pm July 05). The wind direction is predicted to be onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Jul) | 25ft (7.5m) | 14s |
| Afternoon (06 Jul) | 15ft (4.5m) | 13s |
| Evening (06 Jul) | 10ft (3.0m) | 12s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 189mm), heaviest during Mon morning. Warm (max 29°C on Tue morning, min 25°C on Wed afternoon). Winds decreasing (extremely windy from the WSW on Mon morning, moderate winds from the SSE by Tue night). | ||||||||||||||||||||||||
Sun 5 | Monday 6 | Tuesday 7 | Wednesday 8 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | E 15 | E 14 | ENE 15 | ENE 15 | NE 14 | N 14 | N 13 | NNW 13 | NNW 12 | NW 12 | NW 12 | W 11 | NW 12 | W 12 | W 12 | W 12 | ENE 8 | W 13 | WNW 13 | W 13 | W 13 | W 13 | W 13 | W 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 7542 | 6612 | 10995 | 11915 | 11262 | 20115 | 11592 | 6493 | 3569 | 2166 | 1313 | 2301 | 667 | 3187 | 2934 | 1194 | 20 | 2188 | 1961 | 1962 | 2124 | 2483 | 2466 | 2456 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross-on | cross-on | cross | 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 | cross-off | cross-off |
High Tide | 00:09AM0.89m | 11:03AM0.72m | 00:33AM0.89m | 12:23PM0.69m | 1:00AM0.90m | 2:01PM0.67m | ||||||||||||||||||
Low Tide | 4:59PM0.25m | 6:19AM0.55m | 5:34PM0.33m | 7:12AM0.47m | 6:15PM0.42m | 8:06AM0.38m | ||||||||||||||||||
 |  | | |  | | |  | | | | | | | | | | | | | | | | | |
 | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 |
mm | 6 | 3 | 13 | 19 | 35 | 50 | 29 | 7 | 2 | 2 | 1 | 1 | 2 | 1 | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 1 | 1 | 4 |
Temp °C | 28 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 26 |
Feels °C | 24 | 22 | 19 | 17 | 15 | 12 | 13 | 15 | 19 | 23 | 23 | 24 | 25 | 27 | 27 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | E 15 | E 14 | ENE 15 | ENE 15 | NE 14 | N 14 | N 13 | NNW 13 | NNW 12 | NW 12 | NW 12 | W 11 | W 11 | W 12 | W 12 | W 12 | WSW 12 | W 13 | WNW 13 | W 13 | W 13 | W 13 | W 13 | W 13 |
| kJ | 7542 | 6612 | 10995 | 11915 | 11262 | 20115 | 11592 | 6493 | 3569 | 2166 | 1313 | 2301 | 2469 | 3187 | 2934 | 1194 | 4548 | 2188 | 1961 | 1962 | 2124 | 2483 | 2466 | 2456 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | NNE 12 | — | NW 11 | — | ENE 10 | ENE 9 | ENE 9 | NW 12 | NW 12 | ENE 8 | ENE 8 | WSW 10 | ENE 8 | E 10 | WSW 12 | SSW 10 | SW 10 | SW 11 | SW 11 | SW 10 |
| kJ | — | — | — | — | 1835 | — | 382 | — | 18 | 33 | 16 | 833 | 667 | 28 | 22 | 135 | 20 | 2 | 706 | 964 | 1061 | 1086 | 1028 | 918 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NE 13 | NE 12 | NE 12 | ENE 9 | ENE 8 | WNW 13 | W 11 | ENE 8 | N 10 | N 10 | ENE 8 | WSW 12 | WSW 11 | WSW 11 | ENE 9 | ENE 9 |
| kJ | — | — | — | — | — | — | — | — | 7 | 6 | 6 | 26 | 28 | 722 | 242 | 21 | 2 | 2 | 20 | 559 | 109 | 74 | 16 | 16 |
Wind waves Height (m) Direction Period (s) | N 8 | N 8 | NNW 9 | NNW 10 | NW 10 | W 9 | WSW 10 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 9 | SSW 9 | S 9 | S 9 | WSW 12 | S 10 | SSW 10 | S 10 | SE 9 | SSE 8 | SE 9 | SE 6 | SE 6 |
| kJ | 982 | 1620 | 2581 | 6096 | 6620 | 3655 | 9073 | 12360 | 9312 | 7008 | 5924 | 2415 | 1575 | 1422 | 1336 | 4628 | 1598 | 1820 | 1375 | 275 | 273 | 275 | 144 | 132 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1290 | 1290 | 1836 | 1836 | 1836 | 1836 | 1836 | 1864 | 1864 | 1836 | 1836 | 1836 | 1836 | 1836 | 1864 | 1905 | 1905 | 1866 | 1836 | 1836 | 1836 | 1836 | 1864 | 1837 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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