Surf Forecasts:
How big are the waves at Threes today (22 Sep):
- Morning surf: Morning surf (22 Sep, local time) - 2.5ft (0.8m), 10s period with NNW swell.
- Afternoon surf: Afternoon surf (22 Sep, local time) - 2.5ft (0.8m), 10s period with NNW swell.
- Evening surf: Evening surf (22 Sep, local time) - 2.5ft (0.8m), 12s period with NNW swell.
The current surf forecast for Threes at 12PM is: 0.8m 10s primary swell from a North-northwest direction and 0.6m 10s secondary swell from a Northeast direction (forecast issued at 09:00am September 22). An open ocean swell of 1.1m 6s 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 Sep) | 2.5ft (0.8m) | 10s |
| Afternoon (22 Sep) | 2.5ft (0.8m) | 10s |
| Evening (22 Sep) | 2.5ft (0.8m) | 12s |
Table - waves today at Threes. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 61mm), heaviest during Thu night. Warm (max 28°C on Tue morning, min 25°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||
Tuesday 22 | Wednesday 23 | Thursday 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) | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 118 | 121 | 133 | 133 | 133 | 180 | 187 | 190 | 230 | 226 | 222 | 276 | 258 | 234 | 194 | 153 | 135 | 131 | 131 | 118 | 114 | 108 |
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 | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:55PM0.67m | 4:15AM0.61m | 6:23PM0.69m | 5:13AM0.64m | 6:47PM0.70m | |||||||||||||||||
Low Tide | 10:31AM0.05m | 11:21PM0.43m | 11:18AM0.04m | 11:57PM0.37m | 11:59AM0.04m | |||||||||||||||||
 | | | |  | |  | | | | | | | | | |  | | | | | | |
 | 6:09 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | 2 | 1 | 1 | 4 | 4 | 2 | — | 1 | 1 | 2 | 2 | 2 | 1 | — | — | — | — | 2 | 1 | 1 | 3 | 5 |
Temp °C | 26 | 27 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 28 | 30 | 30 | 29 | 29 | 29 | 29 | 28 | 29 | 28 | 29 | 29 | 30 | 30 | 30 | 30 | 31 | 30 | 30 | 30 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 6 | SSW 6 | NNW 10 | NNW 10 | SSW 7 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | ENE 9 | ENE 9 |
| kJ | 103 | 107 | 133 | 133 | 158 | 180 | 187 | 190 | 230 | 226 | 222 | 177 | 148 | 234 | 194 | 153 | 135 | 131 | 131 | 118 | 53 | 53 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | NNW 10 | NE 10 | NE 10 | NNW 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 9 | NE 9 | NE 9 | NE 9 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NE 9 | SE 8 | SE 8 |
| kJ | 118 | 121 | 82 | 80 | 133 | 77 | 60 | 46 | 46 | 43 | 41 | 41 | 41 | 140 | 105 | 103 | 99 | 58 | 56 | 40 | 32 | 31 |
Swell 3 Height (m) Direction Period (s) | NE 11 | NE 10 | SE 8 | SE 8 | NE 10 | SE 8 | E 13 | E 13 | E 9 | SE 8 | SE 8 | SE 8 | SE 8 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NNW 10 | NNW 10 | NNW 10 |
| kJ | 117 | 112 | 32 | 32 | 79 | 32 | 3 | 3 | 2 | 32 | 31 | 30 | 29 | 41 | 42 | 42 | 41 | 41 | 40 | 56 | 38 | 35 |
Wind waves Height (m) Direction Period (s) | SSE 6 | — | SSW 6 | SSW 7 | — | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SW 7 | SW 7 | — | — | — | — | — | — | — | SW 7 | SW 6 |
| kJ | 20 | — | 104 | 137 | — | 180 | 258 | 262 | 268 | 273 | 323 | 276 | 258 | — | — | — | — | — | — | — | 114 | 108 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 23 | 1270 | 23 | 1270 | 1810 | 1885 | 1840 | 1270 | 1270 | 1270 | 255 | 255 | 255 | 255 | 255 | 18 | 14 | 14 | 14 | 255 | 255 | 255 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||
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