Surf Forecasts:
How big are the waves at Threes today (28 Sep):
- Afternoon surf: Afternoon surf (28 Sep, local time) - 2.5ft (0.7m), 6s period with SW swell.
- Evening surf: Evening surf (28 Sep, local time) - 2ft (0.6m), 6s period with SW swell.
The current surf forecast for Threes at 10PM is: 0.6m 6s primary swell from a Southwest direction (forecast issued at 03:00pm September 28). An open ocean swell of 0.7m 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 (28 Sep) | - | - |
| Afternoon (28 Sep) | 2.5ft (0.7m) | 6s |
| Evening (28 Sep) | 2ft (0.6m) | 6s |
Table - waves today at Threes. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Tue afternoon. Warm (max 29°C on Mon afternoon, min 28°C on Mon afternoon). Wind will be generally light. | ||||||||||||||||||||
Mon 28 | Tuesday 29 | Wednesday 30 | ||||||||||||||||||
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) | WSW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | SW 6 | SW 6 | SSE 7 | SSE 7 | SSE 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | NW 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 14 | 33 | 32 | 26 | 22 | 16 | 16 | 0 | 0 | 0 | 40 | 42 | 43 | 53 | 54 | 66 | 68 | 66 | 78 | 78 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on |
High Tide | 8:14PM0.73m | 9:28AM0.73m | 8:39PM0.73m | 10:26AM0.72m | 9:08PM0.73m | |||||||||||||||
Low Tide | 2:26PM0.23m | 2:48AM-0.01m | 3:04PM0.31m | 3:30AM-0.05m | 3:45PM0.39m | |||||||||||||||
 |  |  | |  | | | | |  |  | | | | | | | | | | |
 | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:12 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | 1 | — | — | 1 | 1 | 1 | 1 | — |
Temp °C | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 |
Feels °C | 32 | 34 | 32 | 31 | 31 | 31 | 32 | 31 | 32 | 32 | 31 | 32 | 32 | 31 | 32 | 31 | 30 | 32 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | SSW 6 | SW 6 | SW 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 |
| kJ | 22 | 33 | 32 | 44 | 43 | 33 | 33 | 33 | 34 | 35 | 40 | 42 | 43 | 53 | 54 | 66 | 68 | 66 | 78 | 78 |
Swell 2 Height (m) Direction Period (s) | SE 7 | SSE 7 | SSE 7 | SW 6 | WSW 6 | SW 6 | SW 6 | S 6 | S 6 | SSW 6 | SSE 7 | SE 7 | SSE 7 | ENE 9 | WNW 11 | SSE 7 | SSE 7 | WNW 10 | NW 11 | NW 11 |
| kJ | 24 | 35 | 36 | 26 | 22 | 16 | 16 | 17 | 12 | 21 | 36 | 26 | 21 | 32 | 45 | 18 | 17 | 40 | 56 | 77 |
Swell 3 Height (m) Direction Period (s) | WSW 6 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | WNW 10 | ENE 9 | ENE 9 | WNW 10 | SSE 7 | NE 8 | NE 8 |
| kJ | 14 | 26 | 26 | 31 | 31 | 31 | 27 | 28 | 33 | 33 | 32 | 31 | 30 | 42 | 32 | 32 | 38 | 18 | 14 | 14 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 15 | 14 | 15 | 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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