Tide gauge at DART SE of Shumagin Is
Time (UTC)	prt(m)
2025-07-18 16:15:00	4504.069
2025-07-18 16:30:00	4504.072
2025-07-18 16:45:00	4504.067
2025-07-18 17:00:00	4504.058
2025-07-18 17:15:00	4504.042
2025-07-18 17:30:00	4504.022
2025-07-18 17:45:00	4503.997
2025-07-18 18:00:00	4503.968