Tide gauge at DART WNW of Seattle
Time (UTC)	prt(m)
2025-06-30 11:00:00	2773.625
2025-06-30 11:15:00	2773.6499
2025-06-30 11:30:00	2773.6631
2025-06-30 11:45:00	2773.6609
2025-06-30 12:00:00	2773.6421