Port Jefferson Harbor entrance Currents
Last Current - Flood
3:06 AM
SSE
1.4 kts
Next Current - Slack
5:57 AM
Following Current - Ebb
8:45 AM
NNW
0.9 kts
Today
Tomorrow
Friday - July 10, 2026
Saturday - July 11, 2026
Sunday - July 12, 2026
Monday - July 13, 2026
Tuesday - July 14, 2026
7-Day Insights
Current Extremes
Fastest Flood
Tue, Jul 14
2.0 kts at 9:14 AM
Unusually fast
Fastest Ebb
Tue, Jul 14
1.2 kts at 3:18 AM
Unusually fast
Peak Daily Currents
Fastest
Tue, Jul 14
2.0 kts max current
Unusually fast
Slowest
Thu, Jul 9
1.5 kts max current
Slower than usual