Surf Forecasts:
How big are the waves at Ylig today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 4ft (1.2m), 8s period with SW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 2ft (0.6m), 11s period with NE swell.
- Evening surf: Evening surf (20 Sep, local time) - 4ft (1.2m), 8s period with SW swell.
The current surf forecast for Ylig at 1PM is: 0.5m 11s primary swell from a Northeast direction (forecast issued at 09:00am September 20). An open ocean swell of 1.2m 8s is not directed at the surf break, a second open ocean swell of 0.8m 11s 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 Sep) | 4ft (1.2m) | 8s |
| Afternoon (20 Sep) | 2ft (0.6m) | 11s |
| Evening (20 Sep) | 4ft (1.2m) | 8s |
Table - waves today at Ylig. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 63mm), heaviest during Sun afternoon. Warm (max 29°C on Sun morning, min 26°C on Tue afternoon). Winds increasing (calm on Sun morning, fresh winds from the SE by Tue morning). | ||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||
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) | SW 8 | SW 8 | NE 11 | NE 11 | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | NE 12 | NE 12 | NE 11 | NE 11 | NE 11 | NE 11 | NE 10 | SW 8 | SSE 6 | SSW 7 | S 7 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 201 | 178 | 56 | 92 | 147 | 160 | 156 | 169 | 147 | 147 | 99 | 167 | 161 | 142 | 140 | 140 | 117 | 112 | 113 | 156 | 159 | 419 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-off | cross-off | off | cross-off | cross-off | glassy | cross | cross | glassy | cross-on | cross | cross-on | cross-on | on | on | on | on | on | on | cross-on |
High Tide | 4:35PM0.42m | 00:30AM0.41m | 5:10PM0.43m | 1:56AM0.41m | 5:38PM0.43m | |||||||||||||||||
Low Tide | 8:16AM-0.00m | 8:37PM0.37m | 9:14AM-0.01m | 9:39PM0.35m | 10:05AM-0.01m | |||||||||||||||||
 | | | |  | | | | | |  | | |  |  | | | | | |  | | |
 | 6:09 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:16 | — | — |
mm | 1 | 1 | 1 | 6 | 2 | 1 | 2 | 5 | 3 | 1 | — | 2 | 1 | — | — | 3 | 4 | 4 | 3 | 4 | 6 | 4 |
Temp °C | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 27 | 26 | 26 | 27 |
Feels °C | 33 | 34 | 33 | 33 | 34 | 32 | 32 | 33 | 31 | 31 | 33 | 32 | 31 | 32 | 32 | 29 | 27 | 27 | 25 | 25 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 8 | WSW 8 | SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | NNW 10 | SW 7 | SW 8 | SW 7 | SSW 7 | NNW 12 |
| kJ | 201 | 178 | 158 | 133 | 147 | 160 | 156 | 169 | 147 | 147 | 99 | 86 | 79 | 79 | 67 | 75 | 133 | 64 | 94 | 102 | 159 | 199 |
Swell 2 Height (m) Direction Period (s) | NNW 8 | NNW 9 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NE 12 | NE 12 | NE 11 | NE 11 | NNW 10 | NE 11 | NNW 10 | NNW 10 | NNW 10 | NNW 12 | NE 10 |
| kJ | 55 | 82 | 150 | 139 | 143 | 111 | 111 | 111 | 116 | 116 | 111 | 167 | 161 | 142 | 140 | 114 | 117 | 121 | 133 | 133 | 187 | 60 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | NE 11 | NE 11 | NE 11 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NE 11 | SW 7 | NE 10 | NE 10 | NE 10 | NE 10 | E 13 |
| kJ | 34 | 34 | 56 | 92 | 90 | 89 | 108 | 104 | 100 | 79 | 79 | 86 | 85 | 81 | 61 | 140 | 49 | 112 | 82 | 80 | 79 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSE 6 | SSE 6 | — | — | — | — | SSE 8 | SSE 8 | — | SSE 6 | SE 4 | SSE 5 | SSE 6 | SE 6 | S 7 |
| kJ | — | — | — | — | — | — | — | 28 | 28 | — | — | — | — | 44 | 44 | — | 25 | 40 | 113 | 156 | 133 | 419 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 0 | 11 | 11 | 11 | 11 | 11 | 11 | 1826 | 1894 | 1287 | 1287 | 1287 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||
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