oke U. S. Army Corps of Engineers, Jacksonville District Lake Okeechobee and Vicinity Report ** Preliminary Data - Subject to Revision ** LOSOM24 Reg ZoneA = 17.25 LOSOM24 Reg ZoneBC = 16.48 LOSOM24 Reg ZoneD = 11.77 Data Ending 2400 hours 16 MAR 2026 _____________________________________________________________________________ Okeechobee Lake Regulation Elevation Last Year 2YRS Ago (ft-NGVD) (ft-NGVD) (ft-NGVD) *Okeechobee Lake Elevation 12.18 13.13 15.76 (Official Elv) 16MAR (1965-2007) Period of Record Average 14.42 Difference from POR Average -2.24 Today Lake Okeechobee elevation is determined from the 4 Int & 4 Edge stations ++Navigation Depth (Based on 2007 Channel Condition Survey) Route 1 ÷ 6.12' ++Navigation Depth (Based on 2008 Channel Condition Survey) Route 2 ÷ 4.32' Bridge Clearance = 51.48' ______________________________________________________________________________ 4 Interior and 4 Edge Okeechobee Lake Average (Avg-Daily values): L001 L005 L006 LZ40 S4 S352 S308 S133 12.34 12.11 12.10 12.09 11.99 12.26 12.21 12.33 *Combination Okeechobee Avg-Daily Lake Average = 12.18 (*See Note) ______________________________________________________________________________ Okeechobee Inflows (cfs): S65E 434 S65EX1 0 Fisheating Cr 0 S154 0 S191 0 S135 Pumps 0 S84 0 S133 Pumps 0 S2 Pumps 0 S84X 0 S127 Pumps 0 S3 Pumps 0 S71 29 S129 Pumps 0 S4 Pumps 0 S72 0 S131 Pumps 0 C5 0 Total Inflows: 463 Okeechobee Outflows (cfs): S135 Culverts 0 S354 0 S77 167 S127 Culverts 0 S351 0 S308 100 S129 Culverts 12 S352 0 S131 Culverts 0 L8 Canal Pt 85 Total Outflows: 363 ****S77 structure flow is being used to compute Total Outflow. ****S308 structure flow is being used to compute Total Outflow. Okeechobee Pan Evaporation (inches): S77 0.03 S308 0.23 Average Pan Evap x 0.75 Pan Coefficient = 0.10" = 0.01' Lake Average Precipitation using NEXRAD: = -NR-" = -NR-' Evaporation - Precipitation: = -NR-" = -NR-' Evaporation - Precipitation using Lake Area of 730 square miles is equal to -NR- Lake Okeechobee (Change in Storage) Flow is 1916 cfs or 3800 AC-FT ______________________________________________________________________________ ______________________________________________________________________________ Headwater Tailwater ----------- Gate Positions ------------ Elevation Elevation Disch #1 #2 #3 #4 #5 #6 #7 #8 (ft-msl) (ft-msl) (cfs) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (I) see note at bottom North East Shore S133 Pumps: 13.11 11.74 0 0 0 0 0 -NR- (cfs) S193: ______ S191: 19.28 11.78 0 0.0 0.0 0.0 S135 Pumps: 12.22 12.02 0 0 0 0 0 (cfs) S135 Culverts: 0 0.0 0.0 North West Shore S65E: 21.13 11.91 434 0.2 0.0 0.2 0.2 0.2 0.2 S65EX1: 21.13 11.91 0 S127 Pumps: 12.41 12.05 0 0 0 0 0 0 (cfs) S127 Culvert: 0 0.0 S129 Pumps: 13.19 12.94 0 0 0 0 (cfs) S129 Culvert: 12 1.0 S131 Pumps: 12.89 12.09 0 0 0 (cfs) S131 Culvert: 0 Fisheating Creek nr Palmdale 27.90 0 nr Lakeport ______ S282 11.84 11.23 0.0 0.0 0.1 South Shore S4 Pumps: 11.66 11.97 0 0 0 0 (cfs) S169: ______ -NR- -NR- -NR- -NR- -NR- S310: ______ -NR- S3 Pumps: 11.40 12.11 0 0 0 0 (cfs) S354: 12.11 11.40 0 0.0 0.0 S2 Pumps: 11.35 12.31 0 0 0 0 0 (cfs) S351: 12.31 11.35 0 0.0 0.0 0.0 S352: 12.74 10.34 0 0.0 0.0 S271: 12.45 12.50 9.3 9.3 9.8 8.5 L8 Canal PT ______ 85 _________________________________________________________________________ S351 and S352 Temporary Pumps/S354 Spillway S351: 11.35 12.31 0 -NR--NR--NR--NR--NR--NR- S352: 10.34 12.74 0 -NR--NR--NR--NR- S354: 11.40 12.11 0 -NR--NR--NR--NR- _________________________________________________________________________ Caloosahatchee River (S77, S78, S79) S47B: 11.90 11.10 0.0 0.0 S47D: 11.24 11.24 -1 5.0 S77: Spillway and Sector Preferred Flow: 11.90 11.12 166 0.0 0.5 0.0 0.5 Flow Due to Lockages+: 1 S78: Spillway and Sector Flow: 11.11 3.03 220 0.0 0.0 0.0 0.5 Flow Due to Lockages+: 9 S79: Spillway and Sector Flow: 3.26 2.12 753 0.0 0.0 1.5 1.0 2.0 0.0 0.0 0.0 Flow Due to Lockages+: 4 Percent of flow from S77 22% Chloride (ppm) 0 St. Lucie Canal (S308, S80) S308: Spillway and Sector Preferred Flow: 12.29 12.02 99 0.0 0.0 0.0 0.0 Flow Due to Lockages+: 1 S153: 18.71 11.99 0 0.0 0.0 S80: Spillway and Sector Flow: 12.28 0.69 0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Flow Due to Lockages+: 17 Percent of flow from S308 NA % Steele Point Top Salinity (mg/ml) **** Steele Point Bottom Salinity (mg/ml) **** Speedy Point Top Salinity (mg/ml) **** Speedy Point Bottom Salinity (mg/ml) **** + Flow Due to lockages is computed utilizing average daily headwater and tailwater along with total number of lockages for the day to calculate a volume which is then converted to an average discharge in cfs. ++ Preferred flow is determined from either the spillway discharge or the below flow meter daily ______________________________________________________________________________ ----- Wind ---- Daily Precipitation Totals 1-Day 3-Day 7-Day Direction Speed (inches) (inches) (inches) (Degų) (mph) S133 Pump Station: -NR- 0.00 0.00 S193: -NR- 0.00 0.00 -NR- -NR- Okeechobee Field Station: -NR- 0.00 0.00 S135 Pump Station: -NR- 0.00 0.00 S127 Pump Station: -NR- 0.00 0.00 S129 Pump Station: -NR- 0.00 0.00 S131 Pump Station: -NR- 0.00 0.00 S77: -NR- 0.00 0.00 320 -NR- S78: -NR- 0.00 0.00 98 -NR- S79: -NR- 0.00 0.00 266 6 S4 Pump Station: -NR- 0.00 0.00 Clewiston Field Station: -NR- 0.00 0.00 S3 Pump Station: -NR- 0.00 0.00 S2 Pump Station: -NR- 0.00 0.00 S308: -NR- 0.00 0.00 316 23 S80: -NR- 0.00 0.00 -NR- -NR- Okeechobee Average -NR- 0.00 0.00 (Sites S78, S79 and S80 not included) ----------------------------------------------------------------- Oke Nexrad Basin Avg -NR- 0.00 0.00 ----------------------------------------------------------------- ______________________________________________________________________________ Okeechobee Lake Elevations 16 MAR 2026 12.18 Difference from 16MAR26 16MAR26 -1 Day = 15 MAR 2026 12.17 -0.01 16MAR26 -2 Days = 14 MAR 2026 12.16 -0.02 16MAR26 -3 Days = 13 MAR 2026 12.16 -0.02 16MAR26 -4 Days = 12 MAR 2026 12.18 0.00 16MAR26 -5 Days = 11 MAR 2026 12.20 0.02 16MAR26 -6 Days = 10 MAR 2026 12.22 0.04 16MAR26 -7 Days = 09 MAR 2026 12.23 0.05 16MAR26 -30 Days = 14 FEB 2026 12.58 0.40 16MAR26 -1 Year = 16 MAR 2025 13.13 0.95 16MAR26 -2 Year = 16 MAR 2024 15.76 3.58 ______________________________________________________________________________ ______________________________________________________________________________ Lake Okeechobee Net Inflow (LONIN) Average Flow over the previous 14 days | Avg-Daily Flow 16MAR26 Today = 16 MAR 2026 -708 TUE | 2265 16MAR26 -1 Day = 15 MAR 2026 -829 MON | 2333 16MAR26 -2 Days = 14 MAR 2026 -687 SUN | 433 16MAR26 -3 Days = 13 MAR 2026 -379 SAT | -3104 16MAR26 -4 Days = 12 MAR 2026 -196 FRI | -2854 16MAR26 -5 Days = 11 MAR 2026 -11 THU | -2600 16MAR26 -6 Days = 10 MAR 2026 59 WED | 621 16MAR26 -7 Days = 09 MAR 2026 -295 TUE | -1461 16MAR26 -8 Days = 08 MAR 2026 -1030 MON | -1404 16MAR26 -9 Days = 07 MAR 2026 -1098 SUN | -1357 16MAR26 -10 Days = 06 MAR 2026 -1072 SAT | -1250 16MAR26 -11 Days = 05 MAR 2026 -1069 FRI | -1100 16MAR26 -12 Days = 04 MAR 2026 -1050 THU | 926 16MAR26 -13 Days = 03 MAR 2026 -1163 WED | -1364 ______________________________________________________________________________ ______________________________________________________________________________ S65E Average Flow over previous 14 days | Avg-Daily Flow 16MAR26 Today= 16 MAR 2026 502 TUE | 509 16MAR26 -1 Day = 15 MAR 2026 489 MON | 557 16MAR26 -2 Days = 14 MAR 2026 473 SUN | 468 16MAR26 -3 Days = 13 MAR 2026 468 SAT | 555 16MAR26 -4 Days = 12 MAR 2026 448 FRI | 547 16MAR26 -5 Days = 11 MAR 2026 429 THU | 534 16MAR26 -6 Days = 10 MAR 2026 411 WED | 519 16MAR26 -7 Days = 09 MAR 2026 394 TUE | 582 16MAR26 -8 Days = 08 MAR 2026 375 MON | 613 16MAR26 -9 Days = 07 MAR 2026 353 SUN | 439 16MAR26 -10 Days = 06 MAR 2026 339 SAT | 565 16MAR26 -11 Days = 05 MAR 2026 313 FRI | 461 16MAR26 -12 Days = 04 MAR 2026 293 THU | 362 16MAR26 -13 Days = 03 MAR 2026 283 WED | 323 ______________________________________________________________________________ ______________________________________________________________________________ S65EX1 Average Flow over previous 14 days | Avg-Daily Flow 16MAR26 Today= 16 MAR 2026 0 TUE | 0 16MAR26 -1 Day = 15 MAR 2026 0 MON | 0 16MAR26 -2 Days = 14 MAR 2026 0 SUN | 0 16MAR26 -3 Days = 13 MAR 2026 0 SAT | 0 16MAR26 -4 Days = 12 MAR 2026 0 FRI | 0 16MAR26 -5 Days = 11 MAR 2026 0 THU | 0 16MAR26 -6 Days = 10 MAR 2026 0 WED | 0 16MAR26 -7 Days = 09 MAR 2026 0 TUE | 0 16MAR26 -8 Days = 08 MAR 2026 0 MON | 0 16MAR26 -9 Days = 07 MAR 2026 0 SUN | 0 16MAR26 -10 Days = 06 MAR 2026 0 SAT | 0 16MAR26 -11 Days = 05 MAR 2026 0 FRI | 0 16MAR26 -12 Days = 04 MAR 2026 0 THU | 0 16MAR26 -13 Days = 03 MAR 2026 0 WED | 0 ______________________________________________________________________________ Lake Okeechobee Outlets Last 14 Days S-77 Below S-77 S-78 S-79 Discharge Discharge Discharge Discharge (ALL DAY) (ALL-DAY) (ALL DAY) (ALL DAY) DATE (AC-FT) (AC-FT) (AC-FT) (AC-FT) 16 MAR 2026 318 559 446 1554 15 MAR 2026 563 683 484 970 14 MAR 2026 668 1140 407 2270 13 MAR 2026 867 959 644 873 12 MAR 2026 732 945 350 971 11 MAR 2026 838 1119 124 1416 10 MAR 2026 815 1030 365 885 09 MAR 2026 765 810 362 848 08 MAR 2026 841 1056 379 842 07 MAR 2026 1117 1507 377 895 06 MAR 2026 1190 1554 541 874 05 MAR 2026 1161 1571 649 848 04 MAR 2026 1077 1648 648 869 03 MAR 2026 834 1375 656 829 S-310 S-351 S-352 S-354 L8 Canal Pt Discharge Discharge Discharge Discharge Discharge (ALL DAY) (ALL DAY) (ALL DAY) (ALL DAY) (ALL DAY) DATE (AC-FT) (AC-FT) (AC-FT) (AC-FT) (AC-FT) 16 MAR 2026 -NR- 0 0 0 -NR- 15 MAR 2026 -NR- 0 0 0 -NR- 14 MAR 2026 -NR- 0 0 0 -NR- 13 MAR 2026 -NR- 0 182 204 -NR- 12 MAR 2026 -NR- 119 436 221 -NR- 11 MAR 2026 -NR- 615 208 566 -NR- 10 MAR 2026 -NR- 2154 405 1415 -NR- 09 MAR 2026 -NR- 0 0 0 -NR- 08 MAR 2026 -NR- 0 0 0 -NR- 07 MAR 2026 -NR- 0 0 0 -NR- 06 MAR 2026 -NR- 0 0 0 -NR- 05 MAR 2026 -NR- 0 0 0 -NR- 04 MAR 2026 -NR- 0 0 57 -NR- 03 MAR 2026 -NR- 0 0 0 -NR- S-308 Below S-308 S-80 Discharge Discharge Discharge (ALL DAY) (ALL-DAY) (ALL-DAY) DATE (AC-FT) (AC-FT) (AC-FT) 16 MAR 2026 180 -NR- 34 15 MAR 2026 141 -12 23 14 MAR 2026 73 -9 33 13 MAR 2026 85 -13 33 12 MAR 2026 297 -23 38 11 MAR 2026 381 -18 38 10 MAR 2026 305 -12 48 09 MAR 2026 216 -11 42 08 MAR 2026 206 -15 45 07 MAR 2026 72 -14 44 06 MAR 2026 206 -22 17 05 MAR 2026 542 -34 32 04 MAR 2026 724 -31 29 03 MAR 2026 650 -19 26 *** NOTE: Discharge (ALL DAY) is computed using Spillway, Sector Gate and Lockages Discharges from 0015 hrs to 2400 hrs. ______________________________________________________________________________ (I) - Flows preceeded by "I" signify an instantaneous flow computed from the single value reported for the day ______________________________________________________________________________ * On 11 May 1999, Lake Okeechobee Elevation was switched from Instantaneous 2400 value to an average-daily lake average. On 14 Mar 2001, due to the isolation of various gages within the standard 10 stations, the average of the interior 4 station gages was used as the Lake Okeechobee Elevation. On 05 November 2010, Lake Okeechobee Elevation was switched to a 9 gage mix of interior and edge gages to obtain a more reliable representation of the lake level. On 09 May 2011, Lake Okeechobee Elevation was switched to a 8 gage mix of interior and edge gages to obtain a more reliable representation of the lake level due to isolation of S135 from low lake levels. Today Lake Okechobee elevation is determined from the 4 Int & 4 Edge stations ++ For more information see the Jacksonville District Navigation website at http://www.saj.usace.army.mil/ $ For information regarding Lake Okeechobee Service Area water restrictions please refer to www.sfwmd.gov ______________________________________________________________________________ Report Generated 17MAR2026 @ 12:38 ** Preliminary Data - Subject to Revision **