NDBC has recently revised the NDBC Handbook of Automated Data Quality Control Checks and Procedures. The new document can be found on our Publications page.

Station EHSC1 - North Marsh, Elkhorn Slough Reserve, CA


Ocean Conditions at EHSC1 as of
(6:00 pm PDT on 05/11/2025)
0100 GMT on 05/12/2025:

These oceanographic data are displayed in rounded times.

     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

Depth (DEPTH): 2.6 ft
5-day plot - Ocean Temperature Ocean Temperature (OTMP):75.20 °F
5-day plot - Conductivity Conductivity (COND):50.77 mS/cm
5-day plot - Salinity Salinity (SAL):33.30 psu
5-day plot - Oxygen Concentration Oxygen Concentration (O2PCT): 89.7%
5-day plot - Oxygen Concentration Oxygen Concentration (O2PPM): 6.20 ppm
5-day plot - Turbidity Turbidity (TURB): 110 FTU
5-day plot - pH pH (PH): 8.20
Previous observations
TIME
(PDT)
DEPTH
ft
5-day plot - Ocean Temperature
OTMP
°F
5-day plot - Conductivity
COND
mS/cm
5-day plot - Salinity
SAL
psu
5-day plot - Oxygen Concentration
O2%
%
5-day plot - Oxygen Concentration
O2PPM
ppm
5-day plot - Chlorophyll
CLCON
ug/l
5-day plot - Turbidity
TURB
FTU
5-day plot - pH
PH
 
5-day plot - Eh
EH
mv
2025-05-11 05:45 pm 2.675.5650.9933.5088.50 6.10- 101 8.20-
2025-05-11 05:30 pm 2.675.2050.6533.2091.40 6.40- 104 8.20-
2025-05-11 05:15 pm 2.674.8450.8933.4097.10 6.80- 88 8.20-
2025-05-11 05:00 pm 2.674.6650.8133.4097.30 6.80- 96 8.20-
2025-05-11 04:45 pm 2.674.3050.4933.1089.40 6.30- 85 8.20-
2025-05-11 04:30 pm 2.673.9450.9233.5088.70 6.20- 86 8.20-
2025-05-11 04:15 pm 2.673.5850.7833.4091.00 6.40- 91 8.10-
2025-05-11 04:00 pm 2.673.4050.7433.3076.10 5.40- 99 8.10-
2025-05-11 03:45 pm 2.673.2250.7833.4083.50 5.90- 95 8.10-
2025-05-11 03:30 pm 2.6-50.8733.4089.90 6.40- 90 8.10-
2025-05-11 03:15 pm 2.672.6850.8333.4091.90 6.60- 100 8.10-
2025-05-11 03:00 pm 2.672.5050.8733.4088.80 6.30- 108 8.10-
2025-05-11 02:45 pm 2.672.3250.6633.3088.10 6.30- 102 8.10-
2025-05-11 02:30 pm 2.672.1450.5233.2073.50 5.30- 118 8.10-
2025-05-11 02:15 pm 2.672.1450.8033.4076.70 5.50- 93 8.10-
2025-05-11 02:00 pm 2.671.9650.6333.3086.60 6.20- 90 8.10-
2025-05-11 01:45 pm 2.671.9650.7733.4094.60 6.80- 97 8.10-
2025-05-11 01:30 pm 2.671.7850.8433.4088.70 6.40- 86 8.10-
2025-05-11 01:15 pm 2.671.6051.2033.7098.30 7.10- 77 8.10-
2025-05-11 01:00 pm 2.671.4251.0833.60100.20 7.20- 81 8.20-
2025-05-11 12:45 pm 2.671.4251.1833.7096.50 7.00- 76 8.10-
2025-05-11 12:30 pm 2.671.0651.3033.8086.30 6.20- 62 8.10-
2025-05-11 12:15 pm 2.670.8851.3433.8093.40 6.80- 81 8.10-
2025-05-11 12:00 pm 2.670.5251.4633.9085.50 6.20- 60 8.10-
2025-05-11 11:45 am 2.670.1651.5433.9082.90 6.00- 56 8.10-
2025-05-11 11:30 am 2.669.6251.6534.0081.50 6.00- 57 8.10-
2025-05-11 11:15 am 2.668.9051.7634.1074.20 5.50- 60 8.10-
2025-05-11 11:00 am 2.668.0051.8734.2066.70 5.00- 24 8.10-
2025-05-11 10:45 am 2.667.2852.0634.3059.80 4.50- 41 8.10-
2025-05-11 10:30 am 2.666.7452.3934.6050.20 3.80- 33 8.10-
2025-05-11 10:15 am 2.666.2052.6634.8043.50 3.30- 40 8.10-
2025-05-11 10:00 am 2.665.6653.2135.2034.30 2.60- 46 8.10-
2025-05-11 09:45 am 2.664.9453.6535.5029.90 2.30- 42 8.20-
2025-05-11 09:30 am 2.664.2254.1135.8024.60 1.90- 34 8.20-
2025-05-11 09:15 am 2.663.5054.7236.3014.20 1.10- 44 8.20-
2025-05-11 09:00 am 2.662.6055.4036.80 8.70 0.70- 43 8.30-
2025-05-11 08:45 am 2.662.4255.7037.00 5.60 0.40- 46 8.30-
2025-05-11 08:30 am 2.661.3456.0537.30--- 41 8.40-
2025-05-11 08:15 am 2.659.9055.7237.00--- 53 8.50-
2025-05-11 08:00 am 2.659.7255.7237.00--- 56 8.50-
2025-05-11 07:45 am 2.659.3655.4536.80--- 23 8.50-
2025-05-11 07:30 am 2.6-55.0536.50--- 50 8.40-
2025-05-11 07:15 am 2.659.1854.7436.30--- 14 8.40-
2025-05-11 07:00 am 2.6-54.3436.00--- 14 8.40-
2025-05-11 06:45 am 2.359.1853.9635.70--- 18 8.30-
2025-05-11 06:30 am 2.659.1853.5435.40--- 17 8.20-
2025-05-11 06:15 am 2.659.5453.3735.30--- 42 8.20-
2025-05-11 06:00 am 2.659.7253.0035.00--- 15 8.10-
2025-05-11 05:45 am 2.659.9052.6734.70--- 22 8.10-
2025-05-11 05:30 am 2.660.0852.4734.60--- 15 8.00-
2025-05-11 05:15 am 2.660.2652.2234.40--- 17 8.00-
2025-05-11 05:00 am 2.660.4452.0634.30--- 14 8.00-
2025-05-11 04:45 am 2.660.6252.1134.30--- 14 8.00-
2025-05-11 04:30 am 2.660.8052.0934.30- 0.10- 13 8.00-
2025-05-11 04:15 am 2.660.9851.8834.20 2.20 0.20- 16 8.00-
2025-05-11 04:00 am 2.660.6251.6734.00 6.20 0.50- 13 8.00-
2025-05-11 03:45 am 2.660.6251.6334.00 8.90 0.70- 13 8.00-
2025-05-11 03:30 am 2.660.2651.8234.10 7.80 0.60- 12 8.00-
2025-05-11 03:15 am 3.060.9851.4133.8018.00 1.40- 11 8.00-
2025-05-11 03:00 am 3.061.8851.1033.6033.70 2.70- 12 8.00-
2025-05-11 02:45 am 3.062.4251.0633.6041.60 3.30- 16 8.00-
2025-05-11 02:30 am 3.064.5850.6833.3053.10 4.10- 17 8.10-
2025-05-11 02:15 am 3.064.9450.7333.4060.40 4.70- 88 8.10-
2025-05-11 02:00 am 3.065.1250.6533.3061.30 4.70- 76 8.10-
2025-05-11 01:45 am 3.065.3050.5733.2066.20 5.10- 92 8.10-
2025-05-11 01:30 am 3.065.4850.5533.2067.90 5.20- 87 8.10-
2025-05-11 01:15 am 3.065.6650.5733.2073.20 5.60- 92 8.10-
2025-05-11 01:00 am 3.065.6650.5033.2076.00 5.80- 60 8.10-
2025-05-11 12:45 am 3.065.8450.5633.2079.70 6.10- 66 8.20-
2025-05-11 12:30 am 3.066.2050.5333.2081.80 6.20- 12 8.20-
2025-05-11 12:15 am 3.066.7450.6833.3083.20 6.30- 72 8.20-
2025-05-11 12:00 am 3.067.4650.8133.4086.30 6.50- 54 8.20-
2025-05-10 11:45 pm 3.068.1850.8733.5088.90 6.60- 38 8.20-
2025-05-10 11:30 pm 3.068.5450.9133.5088.80 6.60- 37 8.20-
2025-05-10 11:15 pm 3.068.7250.9733.5091.60 6.80- 77 8.30-
2025-05-10 11:00 pm 3.069.0850.8933.5092.00 6.80- 54 8.30-
2025-05-10 10:45 pm 3.069.2650.9133.5091.40 6.70- 73 8.30-
2025-05-10 10:30 pm 3.069.4450.9533.5096.90 7.10- 40 8.30-
2025-05-10 10:15 pm 2.669.6250.9533.5093.00 6.80- 23 8.30-
2025-05-10 10:00 pm 2.669.8051.0133.6098.80 7.20- 58 8.30-
2025-05-10 09:45 pm 2.670.1651.0833.6097.80 7.10- 71 8.30-
2025-05-10 09:30 pm 2.670.3451.0433.60102.10 7.40- 77 8.30-
2025-05-10 09:15 pm 2.670.7050.9833.50107.00 7.80- 16 8.30-
2025-05-10 09:00 pm 2.671.0651.2133.70115.90 8.40- 10 8.40-
2025-05-10 08:45 pm 2.671.0651.2933.80115.50 8.30- 10 8.40-
2025-05-10 08:30 pm 2.671.2451.3833.80114.00 8.20- 10 8.30-
2025-05-10 08:15 pm 2.671.2451.2533.70110.90 8.00- 10 8.30-
2025-05-10 08:00 pm 2.671.6051.1933.70109.10 7.80- 10 8.20-
2025-05-10 07:45 pm 2.671.9651.3033.80108.80 7.80- 12 8.20-
2025-05-10 07:30 pm 2.671.9651.2233.70105.10 7.50- 10 8.20-
2025-05-10 07:15 pm 2.672.3251.2033.70105.00 7.50- 10 8.20-
2025-05-10 07:00 pm 2.672.6851.2133.70102.20 7.30- 10 8.20-