Surf Forecasts:
How big are the waves at Threes today (17 Jul):
- Morning surf: Morning surf (17 Jul, local time) - 4.5ft (1.3m), 7s period with WSW swell.
- Afternoon surf: Afternoon surf (17 Jul, local time) - 4.5ft (1.3m), 7s period with WSW swell.
- Evening surf: Evening surf (17 Jul, local time) - 4.5ft (1.3m), 7s period with WSW swell.
The current surf forecast for Threes at 12PM is: 1.3m 7s primary swell from a West-southwest direction (forecast issued at 03:00am July 17). An open ocean swell of 0.5m 9s is not directed at the surf break, a second open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jul) | 4.5ft (1.3m) | 7s |
| Afternoon (17 Jul) | 4.5ft (1.3m) | 7s |
| Evening (17 Jul) | 4.5ft (1.3m) | 7s |
Table - waves today at Threes. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Fri night. Warm (max 29°C on Fri afternoon, min 28°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | ||||||||||||||||||||||
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 | 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 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | WSW 6 | SW 6 | SW 6 | SW 6 | WSW 7 | WSW 7 | SW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 231 | 197 | 186 | 149 | 145 | 145 | 141 | 144 | 144 | 140 | 137 | 141 | 121 | 121 | 117 | 96 | 100 | 109 | 120 | 123 | 123 | 116 | 116 | 131 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:23PM0.78m | 8:42AM0.73m | 10:59PM0.77m | 9:42AM0.68m | 11:32PM0.76m | 10:46AM0.62m | ||||||||||||||||||
Low Tide | 3:40AM0.44m | 3:49PM-0.13m | 4:33AM0.38m | 4:32PM-0.03m | 5:27AM0.31m | 5:13PM0.08m | ||||||||||||||||||
 | |  | |  | | | | |  |  | | | |  | | | | | | | | |  | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — | — |
mm | 1 | 1 | — | — | — | — | 1 | 1 | 2 | — | 3 | — | 1 | — | — | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | — |
Temp °C | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 30 | 30 | 29 | 29 | 29 | 30 | 29 | 29 | 30 | 30 | 30 | 31 | 29 | 30 | 31 | 30 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SW 6 | WSW 7 | WSW 7 | SW 7 |
| kJ | 43 | 43 | 43 | 43 | 43 | 43 | 44 | 44 | 44 | 43 | 43 | 43 | 42 | 42 | 42 | 42 | 41 | 41 | 41 | 41 | 123 | 116 | 116 | 131 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | S 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 5 | NNW 6 | SSE 7 | NNW 6 | SE 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 33 | 33 | 26 | 26 | 24 | 15 | 15 | 15 | 14 | 14 | 9 | 10 | 9 | 9 | 5 | 4 | 4 | 5 | 4 | 12 | 41 | 41 | 41 | 41 |
Swell 3 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | S 7 | S 7 | SE 8 | SE 11 | SE 11 | NNW 7 | S 6 | S 6 | SE 8 | NNW 6 | SE 8 | NNW 6 | SE 9 | SE 9 | SE 10 | SE 8 |
| kJ | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 4 | 9 | 5 | 5 | 4 | 3 | 3 | 2 | 4 | 3 | 4 | 12 | 12 | 15 | 16 |
Wind waves Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | WSW 6 | SW 6 | SW 6 | — | — | — | — |
| kJ | 231 | 197 | 186 | 149 | 145 | 145 | 141 | 144 | 144 | 140 | 137 | 141 | 121 | 121 | 117 | 96 | 100 | 109 | 120 | 123 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 255 | 255 | 255 | 2192 | 2192 | 15 | 15 | 15 | 15 | 15 | 255 | 255 | 255 | 255 | 255 | 255 | 255 | 255 | 2192 | 255 | 255 | 15 | 18 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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