Surf Forecasts:
How big are the waves at Bird Island today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 7ft (2.1m), 11s period with W swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 7.5ft (2.3m), 10s period with W swell.
- Evening surf: Evening surf (12 Aug, local time) - 10ft (3.0m), 11s period with WNW swell.
The current surf forecast for Bird Island at 4AM is: 1.3m 12s primary swell from a West-northwest direction and 0.6m 10s secondary swell from a North-northeast direction (forecast issued at 09:00pm August 11). An open ocean swell of 1.6m 9s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 7ft (2.1m) | 11s |
| Afternoon (12 Aug) | 7.5ft (2.3m) | 10s |
| Evening (12 Aug) | 10ft (3.0m) | 11s |
Table - waves today at Bird Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Wed night. Warm (max 29°C on Wed afternoon, min 28°C on Tue night). Mainly fresh winds. | ||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 13 | ||||||||||||||||
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) | W 9 | W 9 | W 9 | WNW 12 | W 11 | W 11 | W 10 | W 10 | W 10 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 573 | 515 | 440 | 483 | 1027 | 990 | 949 | 1109 | 1496 | 2086 | 2349 | 2147 | 2108 | 2268 | 2049 | 1916 | 1756 | 1570 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 8:16PM0.74m | 5:04AM0.77m | 8:46PM0.74m | 6:09AM0.76m | 9:12PM0.73m | |||||||||||||
Low Tide | 00:34AM0.64m | 1:03PM0.00m | 1:28AM0.60m | 1:49PM0.05m | ||||||||||||||
 | |  | |  | | |  | |  | | | | | | | | | |
 | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:40 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 28 | 29 | 28 | 27 | 27 | 28 | 28 | 30 | 29 | 29 | 28 | 29 | 28 | 29 | 29 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 12 | WNW 12 | NNE 10 | N 9 | NNE 9 | SE 10 | SE 10 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 |
| kJ | 399 | 336 | 374 | 483 | 52 | 44 | 28 | 35 | 35 | 2086 | 2349 | 2147 | 2108 | 2268 | 2049 | 1916 | 1756 | 1570 |
Swell 2 Height (m) Direction Period (s) | NNE 9 | NNE 10 | NNE 10 | NNE 10 | SE 10 | SE 10 | SE 10 | NNE 9 | NNE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 |
| kJ | 50 | 59 | 77 | 74 | 37 | 36 | 36 | 27 | 16 | 35 | 36 | 36 | 53 | 71 | 71 | 71 | 71 | 72 |
Swell 3 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | SE 10 | E 10 | ENE 10 | ENE 10 | NE 9 | NE 11 | NE 9 | ENE 11 | NNE 8 | ENE 9 | NE 9 | NE 9 | ENE 9 | ENE 9 | NE 12 |
| kJ | 30 | 40 | 40 | 38 | 8 | 9 | 9 | 13 | 18 | 29 | 23 | 7 | 9 | 14 | 13 | 8 | 8 | 23 |
Wind waves Height (m) Direction Period (s) | W 9 | W 9 | W 9 | WSW 9 | W 11 | W 11 | W 10 | W 10 | W 10 | SSW 7 | — | — | — | SW 4 | — | — | — | — |
| kJ | 573 | 515 | 440 | 388 | 1027 | 990 | 949 | 1109 | 1496 | 29 | — | — | — | 32 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 244 | 2057 | 2057 | 2057 | 244 | 2057 | 2058 | 2215 | 2215 | 2082 | 2058 | 2057 | 2057 | 2057 | 2062 | 0 | 0 | 0 |
Best forecast wave conditions in Saipan | ||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||
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