ICW Information by ICW Statute Mile Marker
STM 601 to 700
Latest Update: 4 Nov 2016
Back to STM 501 - 600 Forward to STM 701-800
STM: 601.8
Nav. Marker / Location: Hell Gate; G87 to G91
Issue: Shoaling; Confusing mark
Vessel Reporting: Onward
Date: 8 Nov 2014; 10:50
Report:
- The marks are a bit confusing.
- The mark at the NE mouth, a pile bent with a red & white diamond pattern is a sight mark on the R side of the channel.
- Take care that current doesn't sweep vessel S onto the shoal at the SE corner of the cut.
- Shoaling observed: 12.0' ~100' E of DM G89; 11.2' slightly E of DM G91; at Td = +6.9' @ TS = Bradley Pt. Bradley R.
STM: 602.4
Nav. Marker / Location: Ossabaw Sound.
STM: 618.4
Nav. Marker / Location: St. Catherine's Sound.
STM: 632.4
Nav. Marker / Location: Sapelo Sound.
STM:
Nav. Marker / Location: Little Mud River
Issue: Shoaling
Vessel Reporting: Onward
Date: 9 Nov 2014; 08:30
- Report:
- At DM R 190, Dmin = 8.9; Td-R = +4.9'; TS = Rockdedundy @ R DM 185 .
- This section of the ICW has been shoaling for years.
- The entire section between DM 190 and DM 195 had sections with depths <= 11.4' with Td = 5.4'.
- The bottom is apparently very soft ooze and Onward has plowed through it in other passages.
STM: 656.6
Nav. Marker / Location: Altamaha Sound
STM: 674.3
Fixed Bridge: Lanier Island
Note: Reported vertical clearance 65'. Clearance tends to be < 65' at high tides.
Issue: Bridge Clearance
Vessel Reporting: Onward
Date: 9 Nov 2014
Report:
- HB on N side is missing.
- Reported problem to USCG Sector Charleston
- Caution: ebb current is very strong.
- HB-S = ~62.5 - 62.75'; 10:00; Td = +8.1 (High); TS = St Simons Light.
- HB-S = ~63.1; @1100; Td-F = 7.5'
Issue: Bridge Clearance
Vessel Reporting: Onward
Date: 21 Nov 2013
Report:
- HB on N side missing.
- HB-S = ~63' ; @ 11:45; Td = +6.6'; TS = St Simons Light.
- HB-S = 64.75; @13:00; Td= 5.2'. ~0.75' of VHF antenna touched bridge during transit; Br-Clr =: ~ 65'
STM: 677.5
Nav. Marker / Location: St. Simons Sound
STM: 683 -
Nav. Marker / Location: Jekyll Creek
Issue: Shoaling
Vessel Reporting: Onward
Date: 9 Nov 2014; 13:45
Report:
- This section of Jekyll Creek has been shoaling for a number of years.
- Dmin = 6.9' just before C G19 ; Td = +2.3'; falling; TS = Jekyll Point
- The section between DM G13 and C G19 had depths of 7.9- to 10'
- In previous years Onward has plowed through the soft mud in this area near low tide.
STM: 684.3
Fixed Bridge: Jekyll Creek
Note: Reported vertical clearance 65'.
Nav. Marker / Location: Jekyll Creek FB
Issue: Bridge Transit Data
Vessel Reporting: Onward
Date: 9 Nov 2014; 13:45
Report:
- HB-N & HB-S = >66.5'; Td-F = +2.3'; TS = Jekyll Point
- Onward's VHF Antenna fully cleared. Br-Clr = >65.75'
STM: 689.6
Nav. Marker / Location: St. Andrews Sound.
STM: ~699.6
Nav. Marker / Location: N R32 to C G31A
Issue: Shoaling
Vessel Reporting: Onward
Date: 9 Nov 2014; 14:30
Report: D = 8.3'; Shoaling encountered ~ 100 yds E of N R32; Td-F = +1.1; TS = Jekyll Point.
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