The tide timetable below is calculated from Howe Key, south end, Harbor Channel, Florida but is also suitable for estimating tide times in the following locations:
- Howe Key (1.6km/1mi)
- Big Torch Key (2.5km/1.6mi)
- Middle Torch Key (2.6km/1.6mi)
- Annette Key (3.2km/2mi)
- Mayo Key (3.5km/2.2mi)
- Porpoise Key (3.7km/2.3mi)
- Big Spanish Key (4.2km/2.6mi)
- Ramrod Key (4.5km/2.8mi)
- Little Torch Key (4.6km/2.9mi)
- Crawl Key (5km/3.1mi)