Surf Forecasts:
How big are the waves at Boat Basin Lefts today (22 Oct):
- Morning surf: Morning surf (22 Oct, local time) - 4.5ft (1.4m), 9s period with NE swell.
- Afternoon surf: Afternoon surf (22 Oct, local time) - 4.5ft (1.4m), 9s period with NE swell.
- Evening surf: Evening surf (22 Oct, local time) - 5ft (1.6m), 9s period with ENE swell.
The current surf forecast for Boat Basin Lefts at 1PM is: 1.4m 9s primary swell from a Northeast direction and 0.9m 11s secondary swell from a West-northwest direction (forecast issued at 09:00am October 22). An open ocean swell of 0.6m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Oct) | 4.5ft (1.4m) | 9s |
| Afternoon (22 Oct) | 4.5ft (1.4m) | 9s |
| Evening (22 Oct) | 5ft (1.6m) | 9s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Thu night. Warm (max 28°C on Thu morning, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||
Thursday 22 | Friday 23 | Saturday 24 | ||||||||||||||||||||
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 12 | NE 9 | NE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | W 13 | W 13 | W 12 | W 13 | W 13 | WNW 12 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 224 | 275 | 302 | 311 | 346 | 386 | 346 | 346 | 354 | 355 | 414 | 377 | 395 | 402 | 398 | 411 | 424 | 424 | 424 | 499 | 499 | 356 |
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-off | cross-off | cross-off | cross | cross | cross-off | off | off | off | off | off | off | off | off |
High Tide | 5:16PM0.84m | 5:02AM0.74m | 5:37PM0.86m | 6:07AM0.79m | 6:00PM0.88m | |||||||||||||||||
Low Tide | 10:18AM0.35m | 11:30PM0.48m | 11:08AM0.39m | 00:04AM0.39m | 11:57AM0.43m | |||||||||||||||||
 | | | |  | |  | | | |  | | | | | | | | | | | | |
 | 6:11 | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:57 | — | — |
mm | 1 | 1 | 2 | 1 | — | — | 1 | 3 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 30 | 30 | 29 | 30 | 29 | 29 | 28 | 29 | 29 | 30 | 30 | 29 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | WNW 11 | WNW 11 | W 11 | W 12 | W 12 | W 12 | W 12 | ENE 9 | NE 9 | NE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 |
| kJ | 216 | 213 | 213 | 311 | 327 | 322 | 266 | 276 | 354 | 316 | 323 | 323 | 270 | 264 | 264 | 287 | 287 | 328 | 300 | 307 | 307 | 345 |
Swell 2 Height (m) Direction Period (s) | WNW 12 | WSW 9 | WSW 9 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | W 12 | W 13 | W 13 | W 12 | W 13 | W 13 | WNW 12 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 |
| kJ | 224 | 61 | 62 | 23 | 22 | 22 | 13 | 13 | 216 | 355 | 414 | 377 | 395 | 402 | 398 | 411 | 424 | 424 | 424 | 499 | 499 | 356 |
Swell 3 Height (m) Direction Period (s) | WSW 9 | SE 10 | SE 10 | N 12 | N 11 | N 11 | N 11 | N 11 | W 14 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | WNW 16 |
| kJ | 86 | 23 | 23 | 11 | 10 | 10 | 10 | 9 | 106 | 14 | 22 | 22 | 22 | 29 | 39 | 35 | 43 | 31 | 29 | 21 | 24 | 226 |
Wind waves Height (m) Direction Period (s) | — | NE 9 | NE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 275 | 302 | 309 | 346 | 386 | 346 | 346 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 1304 | 1304 | 1290 | 1290 | 1304 | 1304 | 1373 | 0 | 1373 | 0 | 1373 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||
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