Surf Forecasts:
How big are the waves at Threes today (30 Sep):
- Afternoon surf: Afternoon surf (30 Sep, local time) - 1.5ft (0.4m), 12s period with NW swell.
- Evening surf: Evening surf (30 Sep, local time) - 1.5ft (0.5m), 11s period with NW swell.
The current surf forecast for Threes at 2AM is: 0.5m 5s primary swell from a Southwest direction (forecast issued at 09:00pm September 29). An open ocean swell of 0.5m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | - | - |
| Afternoon (30 Sep) | 1.5ft (0.4m) | 12s |
| Evening (30 Sep) | 1.5ft (0.5m) | 11s |
Table - waves today at Threes. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Fri morning. Warm (max 29°C on Wed morning, min 28°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Tue 29 | Wednesday 30 | Thursday 1 | ||||||||||||||||
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) | SSE 7 | SW 6 | SW 5 | SW 5 | WNW 11 | ENE 9 | WNW 10 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 0 | 16 | 14 | 14 | 45 | 0 | 38 | 53 | 56 | 60 | 94 | 46 | 67 | 47 | 64 | 50 | 34 | 33 |
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 | on | on | on | on | on | on | on | cross-on | cross-on | on | on |
High Tide | 8:39PM0.73m | 10:26AM0.72m | 9:08PM0.73m | 11:33AM0.69m | 9:41PM0.72m | |||||||||||||
Low Tide | 3:30AM-0.05m | 3:45PM0.39m | 4:18AM-0.08m | 4:30PM0.46m | ||||||||||||||
 |  | | |  | |  | | | | |  | |  | | | | | |
 | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:10 | — | — |
mm | 1 | — | 1 | 1 | — | — | — | — | 1 | 1 | — | — | — | 1 | 1 | — | — | — |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 |
Feels °C | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 31 | 31 | 31 | 31 | 30 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 6 | SSW 6 | SW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 6 |
| kJ | 35 | 35 | 29 | 27 | 25 | 17 | 16 | 22 | 34 | 44 | 49 | 71 | 91 | 96 | 93 | 88 | 85 | 85 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | SW 6 | SW 5 | SW 5 | SW 5 | ENE 9 | SW 5 | WNW 10 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NE 8 | NE 8 |
| kJ | 32 | 16 | 14 | 14 | 14 | 32 | 14 | 40 | 56 | 60 | 94 | 46 | 67 | 47 | 64 | 50 | 31 | 31 |
Swell 3 Height (m) Direction Period (s) | SW 6 | ENE 9 | ENE 9 | ENE 9 | WNW 11 | SSW 5 | WNW 10 | NW 12 | NE 8 | NE 8 | SE 9 | SE 9 | SE 9 | NE 7 | NE 7 | NE 8 | NW 10 | NW 10 |
| kJ | 8 | 30 | 29 | 32 | 45 | 11 | 38 | 53 | 15 | 14 | 29 | 29 | 29 | 19 | 19 | 21 | 34 | 33 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 14 | 14 | 14 | 14 | 1971 | 14 | 255 | 255 | 2056 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 14 |
Best forecast wave conditions in Guam | ||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||
Header Global | ||||||||||||||||||
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