Surf Forecasts:
How big are the waves at Boat Basin Lefts today (04 Jul):
- Morning surf: Morning surf (04 Jul, local time) - 3.5ft (1.0m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (04 Jul, local time) - 6.5ft (2.0m), 16s period with E swell.
- Evening surf: Evening surf (04 Jul, local time) - 10ft (3.0m), 15s period with E swell.
The current surf forecast for Boat Basin Lefts at 6PM is: 2.3m 15s primary swell from a East direction and 0.4m 10s secondary swell from a North-northeast direction, 0.4m 10s secondary swell from a North direction (forecast issued at 09:00am July 04). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Jul) | 3.5ft (1.0m) | 8s |
| Afternoon (04 Jul) | 6.5ft (2.0m) | 16s |
| Evening (04 Jul) | 10ft (3.0m) | 15s |
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 143mm), heaviest during Sun night. Warm (max 30°C on Sat morning, min 26°C on Mon morning). Winds increasing (light winds from the NNE on Sat morning, stormy winds from the SW by Mon morning). | ||||||||||||||||||||||||
Saturday 4 | Sunday 5 | Monday 6 | Tue 7 | |||||||||||||||||||||
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 | 1 AM | 4 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | ENE 8 | ENE 8 | NE 9 | E 16 | E 15 | E 16 | E 15 | E 14 | E 14 | E 14 | E 15 | E 15 | E 16 | ENE 15 | ENE 16 | ENE 15 | NNE 14 | N 14 | N 13 | NNW 13 | NNW 13 | NW 13 | NW 13 | W 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 92 | 150 | 193 | 1952 | 2679 | 4427 | 4430 | 3911 | 4226 | 4064 | 5659 | 6356 | 8150 | 8068 | 8979 | 8539 | 10605 | 9652 | 8816 | 5720 | 3558 | 3397 | 2326 | 1896 |
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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross-off |
High Tide | 9:08AM0.80m | 11:46PM0.88m | 10:00AM0.76m | 00:09AM0.89m | 11:03AM0.72m | 00:33AM0.89m | ||||||||||||||||||
Low Tide | 4:39AM0.65m | 4:25PM0.18m | 5:28AM0.61m | 4:59PM0.25m | 6:19AM0.55m | 5:34PM0.33m | ||||||||||||||||||
 |  | | |  |  | | |  | | | | | |  | | | | |  | |  | | | |
 | 5:58 | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 |
 | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | 6:52 |
mm | 1 | — | 1 | 1 | — | 2 | 2 | — | — | 1 | 2 | 4 | 4 | 5 | 10 | 19 | 28 | 23 | 24 | 6 | 10 | 1 | — | — |
Temp °C | 28 | 29 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 28 | 29 | 28 |
Feels °C | 30 | 31 | 32 | 32 | 30 | 30 | 30 | 29 | 29 | 28 | 28 | 25 | 25 | 25 | 22 | 21 | 19 | 17 | 15 | 16 | 17 | 21 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | NE 9 | E 16 | E 15 | E 16 | E 15 | E 14 | E 14 | E 14 | E 15 | E 15 | E 16 | ENE 15 | ENE 16 | ENE 15 | NNE 14 | N 14 | N 13 | NNW 13 | NNW 13 | NW 13 | NW 13 | W 11 |
| kJ | 92 | 150 | 170 | 1952 | 2679 | 4427 | 4430 | 3911 | 4226 | 4064 | 5659 | 6356 | 8150 | 8068 | 8979 | 8539 | 10605 | 9652 | 8816 | 5720 | 3558 | 3397 | 2326 | 1896 |
Swell 2 Height (m) Direction Period (s) | SE 9 | E 12 | E 12 | SSE 9 | NNE 10 | SE 9 | SE 9 | SE 10 | — | — | — | — | — | — | — | N 10 | NNW 10 | SSE 10 | SE 10 | — | ENE 10 | ENE 10 | ENE 9 | NW 13 |
| kJ | 22 | 75 | 193 | 32 | 34 | 22 | 23 | 23 | — | — | — | — | — | — | — | 1115 | 500 | 10 | 24 | — | 10 | 9 | 8 | 1863 |
Swell 3 Height (m) Direction Period (s) | NNE 11 | NNE 10 | E 17 | NNE 10 | SE 9 | — | — | — | — | — | — | — | — | — | — | NNW 9 | — | — | — | — | — | NE 12 | NE 9 | ENE 9 |
| kJ | 38 | 35 | 87 | 34 | 22 | — | — | — | — | — | — | — | — | — | — | 276 | — | — | — | — | — | 6 | 22 | 16 |
Wind waves Height (m) Direction Period (s) | N 4 | — | — | — | N 10 | NNE 10 | NNE 10 | NNE 6 | N 6 | N 6 | N 7 | N 7 | N 7 | NNW 8 | NNW 8 | WNW 8 | W 9 | W 9 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | SW 11 | SSW 9 |
| kJ | 15 | — | — | — | 32 | 33 | 19 | 126 | 146 | 214 | 342 | 452 | 726 | 1003 | 1530 | 1820 | 3316 | 5370 | 7114 | 7273 | 7497 | 6721 | 5556 | 2635 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1836 | 1836 | 1836 | 1836 | 1836 | 1836 | 1836 | 1836 | 1864 | 1864 | 1836 | 1836 | 1836 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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