Surf Forecasts:
How big are the waves at Threes today (01 Oct):
- Morning surf: Morning surf (01 Oct, local time) - 3.5ft (1.1m), 6s period with SW swell.
- Afternoon surf: Afternoon surf (01 Oct, local time) - 5ft (1.6m), 6s period with SW swell.
- Evening surf: Evening surf (01 Oct, local time) - 7ft (2.1m), 7s period with SW swell.
The current surf forecast for Threes at 6AM is: 0.9m 6s primary swell from a Southwest direction and 0.5m 10s secondary swell from a Northwest direction, 0.4m 8s secondary swell from a Northeast direction (forecast issued at 09:00pm September 30). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Oct) | 3.5ft (1.1m) | 6s |
| Afternoon (01 Oct) | 5ft (1.6m) | 6s |
| Evening (01 Oct) | 7ft (2.1m) | 7s |
Table - waves today at Threes. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 46mm), heaviest during Fri night. Warm (max 29°C on Thu morning, min 28°C on Wed night). Winds increasing (light winds from the W on Wed night, near gales from the WSW by Fri morning). | ||||||||||||||||||
Wed 30 | Thursday 1 | Friday 2 | ||||||||||||||||
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) | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | SW 6 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 | SW 9 | SW 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 56 | 77 | 94 | 49 | 74 | 100 | 151 | 233 | 325 | 475 | 696 | 957 | 1276 | 1521 | 1763 | 2316 | 2387 | 2292 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:08PM0.73m | 11:33AM0.69m | 9:41PM0.72m | 12:53PM0.67m | ||||||||||||||
Low Tide | 4:18AM-0.08m | 4:30PM0.46m | 5:12AM-0.08m | 5:29PM0.52m | ||||||||||||||
 | | |  |  |  | | | | | | | | | | | | | |
 | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:10 | — | — | — | — | — | — | — | 6:10 | — | — |
mm | 1 | 1 | 1 | — | — | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 2 | 3 | 2 | 2 | 2 | 3 |
Temp °C | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 32 | 31 | 30 | 30 | 28 | 29 | 28 | 28 | 28 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 9 | NE 10 | NE 10 | NNW 9 | NNW 9 |
| kJ | 25 | 33 | 42 | 46 | 67 | 47 | 64 | 50 | 33 | 32 | 33 | 24 | 25 | 29 | 34 | 51 | 44 | 88 |
Swell 2 Height (m) Direction Period (s) | SSE 6 | NW 11 | NW 11 | SE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NNE 12 | NNE 12 | NNW 9 | NE 10 | NE 10 |
| kJ | 27 | 77 | 94 | 41 | 20 | 14 | 20 | 31 | 34 | 33 | 29 | 28 | 12 | 14 | 14 | 8 | 51 | 14 |
Swell 3 Height (m) Direction Period (s) | NW 11 | SSE 6 | SE 9 | NE 8 | NNE 13 | SE 9 | NNE 13 | NNE 13 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NW 8 | NW 8 | SE 9 | SE 9 | SE 13 |
| kJ | 56 | 14 | 30 | 14 | 34 | 13 | 32 | 31 | 31 | 30 | 29 | 28 | 14 | 11 | 11 | 14 | 14 | 27 |
Wind waves Height (m) Direction Period (s) | — | — | — | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 | SW 9 | SW 9 |
| kJ | — | — | — | 49 | 74 | 100 | 151 | 233 | 325 | 475 | 696 | 957 | 1276 | 1521 | 1763 | 2316 | 2387 | 2292 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 14 | 15 | 14 | 15 | 1873 | 1873 | 2063 | 2051 | 2063 | 1810 | 1889 | 2051 | 1833 | 1886 | 2060 | 2070 | 2486 | 3085 |
Best forecast wave conditions in Guam | ||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||
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