Surf Forecasts:
How big are the waves at Threes today (27 Sep):
- Afternoon surf: Afternoon surf (27 Sep, local time) - 2.5ft (0.8m), 6s period with SW swell.
- Evening surf: Evening surf (27 Sep, local time) - 3.5ft (1.0m), 6s period with SW swell.
The current surf forecast for Threes at 9PM is: 1.0m 6s primary swell from a Southwest direction and 0.7m 6s secondary swell from a Southwest direction (forecast issued at 03:00pm September 27). An open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Sep) | - | - |
| Afternoon (27 Sep) | 2.5ft (0.8m) | 6s |
| Evening (27 Sep) | 3.5ft (1.0m) | 6s |
Table - waves today at Threes. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Sun afternoon. Warm (max 29°C on Sun afternoon, min 28°C on Sun afternoon). Wind will be generally light. | ||||||||||||||||||||
Sun 27 | Monday 28 | Tuesday 29 | ||||||||||||||||||
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 7 | SW 6 | SW 6 | SW 6 | SW 6 | N 8 | WSW 6 | SW 6 | SW 6 | SW 6 | SSE 7 | SW 6 | SW 6 | SW 6 | WSW 6 | WSW 6 | SW 6 | SW 6 | SW 6 | SW 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 61 | 58 | 49 | 75 | 73 | 5 | 39 | 42 | 33 | 25 | 0 | 32 | 26 | 20 | 21 | 12 | 18 | 24 | 31 | 35 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on |
High Tide | 7:51PM0.72m | 8:34AM0.73m | 8:14PM0.73m | 9:28AM0.73m | 8:39PM0.73m | |||||||||||||||
Low Tide | 1:50PM0.16m | 2:10AM0.06m | 2:26PM0.23m | 2:48AM-0.01m | 3:04PM0.31m | |||||||||||||||
 | |  | |  | | | |  |  | | | | | | | | | | | |
 | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | 6:14 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — |
mm | 2 | 5 | 2 | 1 | — | — | 1 | 2 | — | — | — | 1 | — | — | — | — | — | — | — | — |
Temp °C | 29 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 |
Feels °C | 33 | 31 | 32 | 30 | 31 | 31 | 32 | 32 | 31 | 33 | 32 | 32 | 31 | 31 | 31 | 30 | 31 | 31 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 6 | SW 6 | SW 6 | ENE 9 | SE 7 | SSW 6 | SW 6 | SW 6 | SW 6 | SSW 6 | SW 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SE 7 | SSE 7 | SW 6 |
| kJ | 61 | 58 | 49 | 40 | 31 | 24 | 53 | 42 | 33 | 25 | 21 | 32 | 46 | 42 | 33 | 33 | 34 | 43 | 44 | 35 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | ENE 9 | SSE 7 | SSE 7 | SE 7 | ENE 9 | WSW 6 | S 7 | SE 7 | SSE 7 | SSE 7 | SSE 7 | SW 6 | SW 6 | WSW 6 | S 6 | SW 6 | SW 6 | SW 6 | SSE 7 |
| kJ | 47 | 46 | 34 | 41 | 25 | 31 | 15 | 23 | 24 | 35 | 36 | 35 | 26 | 20 | 21 | 22 | 18 | 24 | 31 | 35 |
Swell 3 Height (m) Direction Period (s) | SSE 7 | SSE 7 | ENE 9 | ENE 9 | N 8 | N 8 | SE 7 | SE 7 | S 6 | WSW 6 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | WSW 6 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 9 | 9 | 46 | 45 | 5 | 5 | 23 | 22 | 13 | 14 | 31 | 31 | 31 | 26 | 32 | 12 | 33 | 33 | 32 | 31 |
Wind waves Height (m) Direction Period (s) | — | — | — | SW 6 | SW 6 | SW 6 | WSW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 75 | 73 | 85 | 39 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 13 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
Best forecast wave conditions in Guam | ||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||
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