Surf Forecasts:
How big are the waves at Magoos today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2.5ft (0.7m), 9s period with W swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 2.5ft (0.8m), 6s period with NE swell.
- Evening surf: Evening surf (20 Aug, local time) - 2.5ft (0.8m), 6s period with NE swell.
The current surf forecast for Magoos at 8AM is: 0.7m 9s primary swell from a West direction and 0.9m 6s secondary swell from a Northeast direction (forecast issued at 03:00am August 20). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2.5ft (0.7m) | 9s |
| Afternoon (20 Aug) | 2.5ft (0.8m) | 6s |
| Evening (20 Aug) | 2.5ft (0.8m) | 6s |
Table - waves today at Magoos. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 27mm), heaviest during Sat night. Warm (max 29°C on Thu morning, min 27°C on Thu night). Winds increasing (calm on Thu night, fresh winds from the SW by Sat night). | ||||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||||||||||
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) | W 9 | WNW 8 | W 9 | W 9 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 7 | NE 6 | NE 6 | W 9 | W 9 | E 10 | E 11 | E 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | NE 11 | NE 11 | NE 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 96 | 73 | 78 | 78 | 59 | 47 | 49 | 49 | 51 | 52 | 43 | 42 | 42 | 40 | 125 | 237 | 350 | 363 | 297 | 346 | 352 | 347 | 298 | 288 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-off | glassy | cross | cross | cross | cross-off | cross | cross | cross | cross-off | cross | cross | cross | cross |
High Tide | 11:45PM0.68m | 2:53PM0.58m | 00:19AM0.65m | 4:30PM0.60m | 1:08AM0.62m | 5:34PM0.62m | ||||||||||||||||||
Low Tide | 7:22AM0.15m | 7:14PM0.51m | 8:21AM0.13m | 8:33PM0.54m | 9:23AM0.11m | 10:00PM0.54m | ||||||||||||||||||
 | |  | |  |  |  | | | | | | | |  | | | | | | | | | | |
 | — | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | 2 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | 2 | 3 | 7 |
Temp °C | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 27 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 |
Feels °C | 31 | 31 | 31 | 32 | 32 | 32 | 33 | 33 | 33 | 34 | 32 | 34 | 32 | 32 | 33 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | W 9 | WNW 8 | W 9 | W 9 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 7 | ESE 14 | ESE 13 | ESE 11 | ESE 10 | E 10 | E 11 | E 11 | ENE 11 | ENE 11 | S 9 | S 9 | S 9 | NE 11 | NE 11 |
| kJ | 96 | 73 | 78 | 78 | 58 | 47 | 49 | 49 | 51 | 52 | 265 | 286 | 205 | 139 | 125 | 237 | 350 | 363 | 297 | 372 | 404 | 505 | 298 | 288 |
Swell 2 Height (m) Direction Period (s) | SE 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | NE 6 | NE 6 | NE 6 | NE 7 | NNE 6 | NNE 6 | SSE 9 | SSE 9 | S 9 | ENE 11 | ENE 11 | NE 11 | WNW 9 | WNW 8 |
| kJ | 41 | 47 | 38 | 39 | 73 | 80 | 79 | 58 | 57 | 53 | 43 | 42 | 42 | 35 | 28 | 28 | 73 | 154 | 155 | 346 | 352 | 347 | 26 | 23 |
Swell 3 Height (m) Direction Period (s) | WSW 8 | SE 9 | SE 9 | SSE 9 | WNW 9 | WNW 8 | W 8 | W 8 | W 8 | ESE 14 | WSW 8 | WSW 8 | W 9 | W 9 | WSW 8 | SSE 10 | NNE 6 | S 9 | SE 10 | WNW 8 | WNW 9 | WNW 9 | E 13 | E 13 |
| kJ | 24 | 41 | 41 | 32 | 59 | 40 | 36 | 35 | 34 | 108 | 38 | 37 | 40 | 40 | 36 | 61 | 26 | 56 | 181 | 22 | 26 | 26 | 14 | 14 |
Wind waves Height (m) Direction Period (s) | N 5 | NE 6 | NE 6 | NE 6 | ENE 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 8 | WSW 8 | S 9 | S 9 |
| kJ | 24 | 45 | 51 | 54 | 23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 11 | 11 | 562 | 613 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2067 | 1873 | 1873 | 1284 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 13 | 13 | 13 | 0 | 2057 | 1995 | 1995 | 1995 | 2426 | 2426 | 2386 | 233 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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