Marine buoy
Tanapag, Saipan, NMI (197) 52211
Tanapag, Saipan, NMI (197) is a wave buoy in Northern Mariana Islands integrated into SwellOracle from NOAA/NDBC. This page summarizes its position, source and available variables for checking surf conditions: 4.6 ft, 8 s, SW.
Technical details for Tanapag, Saipan, NMI (197)
Use these details to verify the station identity, location, source and timestamp before comparing its values with another buoy or model.
- Station name
- Tanapag, Saipan, NMI (197)
- Station identifier
- 52211
- Country or area
- Northern Mariana Islands
- Coordinates
- 15° 16' 8.4" N, 145° 39' 50.4" E
- Source and provider
- NOAA/NDBC
- Source type
- Wave buoy
- Data license
- noaa.gov/disclaimer
- Latest source observation
- 2026-07-15T03:00:00 UTC
- Published data fields
- Wave height, Dominant wave period, Average wave period, Wave direction, Water temperature
How to use this reading
Tanapag, Saipan, NMI (197) helps confirm whether swell energy is reaching the Northern Mariana Islands area. Higher height with a longer period usually means more organized energy, while direction determines which coastlines receive that swell best.
For surf decisions, compare height, period and direction with your beach's local exposure. If the station does not report a variable, use the app to compare it with nearby model points.
24-hour observation history
Wave height stayed broadly stable across the stored period.
| Observed | Height | Period | Direction | Water |
|---|---|---|---|---|
| 4.6 ft | 8 s | SW | 83.7 °F | |
| 4.9 ft | 9 s | SW | 83.3 °F | |
| 5.2 ft | 9 s | WSW | 83.3 °F | |
| 5.2 ft | 10 s | W | 83.1 °F | |
| 5.2 ft | 9 s | SSW | 83.1 °F | |
| 4.9 ft | 10 s | WNW | 83.1 °F | |
| 4.9 ft | 11 s | W | 83.1 °F | |
| 5.2 ft | 8 s | SW | 83.1 °F | |
| 4.9 ft | 8 s | SSW | 83.1 °F | |
| 4.3 ft | 11 s | NW | 83.1 °F | |
| 4.9 ft | 11 s | WNW | 83.1 °F | |
| 4.3 ft | 8 s | SW | 83.1 °F | |
| 4.3 ft | 12 s | WNW | 83.1 °F | |
| 4.3 ft | 12 s | WNW | 82.9 °F | |
| 4.3 ft | 12 s | WNW | 83.1 °F | |
| 4.3 ft | 12 s | WNW | 83.3 °F | |
| 4.3 ft | 12 s | WNW | 83.3 °F | |
| 3.9 ft | 12 s | WNW | 83.1 °F | |
| 4.6 ft | 11 s | NW | 82.9 °F |
Frequently asked questions about this station
What is Tanapag, Saipan, NMI (197)?
Tanapag, Saipan, NMI (197) is a physical or reference marine station for Northern Mariana Islands, identified as 52211 and published in SwellOracle with source attribution.
Where does the data for Tanapag, Saipan, NMI (197) come from?
The source shown for this page is NOAA/NDBC. SwellOracle preserves the station identifier and distinguishes measured observations from model estimates.
Does Tanapag, Saipan, NMI (197) have a current reading?
A source observation is available and its timestamp is displayed on this page. Always check that time before using the values because marine feeds update on different schedules.
Why does Tanapag, Saipan, NMI (197) have or not have a history chart?
SwellOracle currently has 19 deduplicated samples available for this page. A new row is stored only when the source observation time changes.