Station List

Station ELQC1 - South Marsh, Elkhorn Slough Reserve, CA

Owned and maintained by National Estuarine Research Reserve System
NERRS Water Quality Station
36.818 N 121.739 W (36°49'5" N 121°44'22" W)

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Regional HF Radar Surface Current Observations

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Ocean Conditions at ELQC1 as of
(11:15 pm PST on 02/17/2026)
0715 GMT on 02/18/2026:
These oceanographic data are displayed in rounded times. Unit of Measure: Time Zone: 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):	5.2 ft
Ocean Temperature (OTMP):	53.78 °F
Conductivity (COND):	43.95 mS/cm
Salinity (SAL):	28.30 psu
Oxygen Saturation (O2PCT):	95.6%
Oxygen Concentration (O2PPM):	8.60 ppm
Turbidity (TURB):	13 FTU
pH (PH):	8.00

Previous observations
TIME (PST)	DEPTH ft	OTMP °F	COND mS/cm	SAL psu	O2% %	O2PPM ppm	CLCON ug/l	TURB FTU	PH	EH mV
2026-02-17 11:00 pm	5.2	53.42	43.62	28.10	94.40	8.60	-	16	8.00	-
2026-02-17 10:45 pm	5.2	53.06	43.41	27.90	93.10	8.50	-	15	8.00	-
2026-02-17 10:30 pm	4.9	53.06	43.41	27.90	92.90	8.50	-	16	8.00	-
2026-02-17 10:15 pm	4.9	53.24	43.35	27.90	92.90	8.50	-	13	8.00	-
2026-02-17 10:00 pm	4.6	53.06	43.10	27.70	92.90	8.50	-	15	8.00	-
2026-02-17 09:45 pm	4.3	53.06	43.00	27.60	92.90	8.50	-	15	8.00	-
2026-02-17 09:30 pm	4.3	53.06	43.00	27.60	92.90	8.50	-	15	8.00	-
2026-02-17 09:15 pm	3.9	53.06	42.92	27.60	93.00	8.50	-	15	8.00	-
2026-02-17 09:00 pm	3.6	52.88	42.87	27.50	92.80	8.50	-	13	8.00	-
2026-02-17 08:45 pm	3.6	52.88	43.35	27.90	92.40	8.40	-	11	7.90	-
2026-02-17 08:30 pm	3.3	52.88	43.88	28.20	92.40	8.40	-	10	7.90	-
2026-02-17 08:15 pm	3.0	52.88	44.34	28.60	92.10	8.40	-	8	7.90	-
2026-02-17 08:00 pm	2.6	52.88	44.38	28.60	91.60	8.30	-	8	7.90	-
2026-02-17 07:45 pm	2.6	52.88	44.25	28.50	91.30	8.30	-	8	7.90	-
2026-02-17 07:30 pm	2.3	52.88	44.33	28.60	90.70	8.20	-	8	7.90	-
2026-02-17 07:15 pm	2.0	52.88	44.43	28.60	90.40	8.20	-	9	7.90	-
2026-02-17 07:00 pm	2.0	52.70	44.59	28.70	90.00	8.20	-	10	7.90	-
2026-02-17 06:45 pm	1.6	52.70	44.59	28.70	90.30	8.20	-	10	7.90	-
2026-02-17 06:30 pm	1.6	52.70	44.41	28.60	90.90	8.30	-	11	7.90	-
2026-02-17 06:15 pm	1.3	52.70	44.39	28.60	92.10	8.40	-	11	7.90	-
2026-02-17 06:00 pm	1.0	52.70	44.13	28.40	91.50	8.30	-	13	7.90	-
2026-02-17 05:45 pm	1.0	52.52	43.97	28.30	91.80	8.40	-	13	7.90	-
2026-02-17 05:30 pm	0.7	52.52	43.85	28.20	91.60	8.40	-	14	7.90	-
2026-02-17 05:15 pm	0.7	52.52	43.86	28.20	90.90	8.30	-	11	7.90	-
2026-02-17 05:00 pm	0.7	52.52	43.81	28.20	91.70	8.40	-	17	7.90	-
2026-02-17 04:45 pm	0.7	52.70	43.75	28.10	91.80	8.40	-	20	7.90	-
2026-02-17 04:30 pm	0.7	52.70	43.98	28.30	92.10	8.40	-	19	7.90	-
2026-02-17 04:15 pm	1.0	52.88	44.42	28.60	92.30	8.40	-	19	7.90	-
2026-02-17 04:00 pm	1.3	53.06	44.85	28.90	91.90	8.30	-	14	7.90	-
2026-02-17 03:45 pm	1.6	53.06	45.07	29.10	92.30	8.30	-	10	7.90	-
2026-02-17 03:30 pm	2.0	53.24	45.22	29.20	92.40	8.30	-	9	7.90	-
2026-02-17 03:15 pm	2.3	53.24	45.31	29.30	91.90	8.30	-	9	7.90	-
2026-02-17 03:00 pm	2.6	53.24	45.37	29.30	93.90	8.50	-	10	8.00	-
2026-02-17 02:45 pm	3.0	53.42	45.42	29.40	94.50	8.50	-	10	8.00	-
2026-02-17 02:30 pm	3.3	53.42	45.48	29.40	92.80	8.30	-	10	7.90	-
2026-02-17 02:15 pm	3.6	53.42	45.54	29.40	92.60	8.30	-	8	7.90	-
2026-02-17 02:00 pm	3.9	53.42	45.58	29.50	92.00	8.30	-	8	7.90	-
2026-02-17 01:45 pm	4.3	53.42	45.61	29.50	92.20	8.30	-	6	7.90	-
2026-02-17 01:30 pm	4.6	53.42	45.62	29.50	91.00	8.20	-	5	7.90	-
2026-02-17 01:15 pm	4.6	53.60	45.70	29.60	90.60	8.10	-	5	7.90	-
2026-02-17 01:00 pm	4.9	53.42	45.69	29.50	90.10	8.10	-	5	7.90	-
2026-02-17 12:45 pm	5.2	53.42	45.79	29.60	88.90	8.00	-	4	7.90	-
2026-02-17 12:30 pm	5.6	53.42	45.81	29.60	89.40	8.00	-	4	7.90	-
2026-02-17 12:15 pm	5.6	53.42	45.86	29.70	88.80	8.00	-	4	7.90	-
2026-02-17 12:00 pm	5.9	53.60	46.00	29.80	89.20	8.00	-	5	7.90	-
2026-02-17 11:45 am	5.9	53.60	46.22	29.90	89.40	8.00	-	4	7.90	-
2026-02-17 11:30 am	6.2	53.78	46.28	30.00	89.80	8.00	-	4	7.90	-
2026-02-17 11:15 am	6.2	53.78	46.32	30.00	89.90	8.00	-	4	8.00	-
2026-02-17 11:00 am	6.2	53.78	46.36	30.00	88.60	7.90	-	4	7.90	-
2026-02-17 10:45 am	6.2	53.96	46.42	30.10	88.60	7.90	-	4	7.90	-
2026-02-17 10:30 am	6.2	54.14	46.48	30.10	88.90	7.90	-	3	8.00	-
2026-02-17 10:15 am	6.2	54.86	46.77	30.40	89.70	7.90	-	6	8.00	-
2026-02-17 10:00 am	6.2	55.04	46.79	30.40	86.10	7.50	-	7	8.00	-
2026-02-17 09:45 am	6.2	54.86	46.71	30.30	89.20	7.80	-	7	8.00	-
2026-02-17 09:30 am	6.2	54.50	46.62	30.20	90.00	7.90	-	4	8.00	-
2026-02-17 09:15 am	6.2	54.50	46.57	30.20	90.50	8.00	-	4	8.00	-
2026-02-17 09:00 am	6.2	54.50	46.53	30.20	89.90	7.90	-	4	8.00	-
2026-02-17 08:45 am	5.9	54.32	46.54	30.20	89.40	7.90	-	4	8.00	-
2026-02-17 08:30 am	5.9	54.50	46.55	30.20	89.30	7.90	-	4	8.00	-
2026-02-17 08:15 am	5.6	54.32	46.53	30.20	88.80	7.90	-	4	8.00	-
2026-02-17 08:00 am	5.6	54.50	46.52	30.20	88.70	7.80	-	4	8.00	-
2026-02-17 07:45 am	5.2	54.50	46.54	30.20	88.50	7.80	-	5	8.00	-
2026-02-17 07:30 am	5.2	54.32	46.43	30.10	87.70	7.80	-	5	8.00	-
2026-02-17 07:15 am	4.9	54.32	46.36	30.00	87.50	7.70	-	4	8.00	-
2026-02-17 07:00 am	4.6	54.32	46.33	30.00	87.00	7.70	-	4	8.00	-
2026-02-17 06:45 am	4.6	54.14	46.27	30.00	86.20	7.70	-	4	8.00	-
2026-02-17 06:30 am	4.3	54.14	46.20	29.90	85.50	7.60	-	4	7.90	-
2026-02-17 06:15 am	4.3	53.96	46.20	29.90	85.60	7.60	-	4	7.90	-
2026-02-17 06:00 am	3.9	53.96	46.23	29.90	85.40	7.60	-	4	7.90	-
2026-02-17 05:45 am	3.9	53.96	46.18	29.90	85.60	7.60	-	4	7.90	-
2026-02-17 05:30 am	3.6	53.78	46.17	29.90	85.20	7.60	-	5	7.90	-
2026-02-17 05:15 am	3.6	53.78	46.11	29.90	85.30	7.60	-	4	7.90	-
2026-02-17 05:00 am	3.6	53.96	46.09	29.80	84.50	7.50	-	5	7.90	-
2026-02-17 04:45 am	3.3	53.78	46.01	29.80	85.10	7.60	-	5	7.90	-
2026-02-17 04:30 am	3.3	54.14	46.13	29.90	83.70	7.40	-	5	7.90	-
2026-02-17 04:15 am	3.3	54.14	46.17	29.90	83.60	7.40	-	4	7.90	-
2026-02-17 04:00 am	3.0	54.14	46.16	29.90	84.70	7.50	-	4	7.90	-
2026-02-17 03:45 am	3.0	54.14	46.19	29.90	85.20	7.60	-	4	7.90	-
2026-02-17 03:30 am	3.3	54.14	46.12	29.90	85.20	7.60	-	5	7.90	-
2026-02-17 03:15 am	3.3	54.14	46.20	29.90	85.80	7.60	-	5	7.90	-
2026-02-17 03:00 am	3.3	54.14	46.18	29.90	86.00	7.60	-	5	8.00	-
2026-02-17 02:45 am	3.6	54.14	46.18	29.90	86.60	7.70	-	5	8.00	-
2026-02-17 02:30 am	3.6	54.14	46.10	29.90	86.90	7.70	-	5	8.00	-
2026-02-17 02:15 am	3.6	54.32	46.28	30.00	87.10	7.70	-	5	8.00	-
2026-02-17 02:00 am	3.9	54.50	46.49	30.10	87.70	7.70	-	4	8.00	-
2026-02-17 01:45 am	3.9	54.50	46.51	30.20	88.20	7.80	-	5	8.00	-
2026-02-17 01:30 am	4.3	54.50	46.49	30.10	88.50	7.80	-	5	8.00	-
2026-02-17 01:15 am	4.3	54.50	46.41	30.10	89.10	7.90	-	5	8.00	-
2026-02-17 01:00 am	4.6	54.86	46.49	30.10	89.60	7.90	-	5	8.00	-
2026-02-17 12:45 am	4.6	54.86	46.46	30.10	89.50	7.90	-	4	8.00	-
2026-02-17 12:30 am	4.6	54.50	46.47	30.10	87.40	7.70	-	5	7.90	-
2026-02-17 12:15 am	4.9	54.68	46.52	30.20	88.20	7.80	-	5	8.00	-
2026-02-17 12:00 am	4.9	55.04	46.57	30.20	90.30	7.90	-	5	8.00	-

Description of Measurements

Historical data for station ELQC1 are available at the NERRS website.

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