Station List

Station EHSC1 - North Marsh, Elkhorn Slough Reserve, CA

Owned and maintained by National Estuarine Research Reserve System
NERRS Water Quality Station
36.835 N 121.738 W (36°50'5" N 121°44'18" W)

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Regional HF Radar Surface Current Observations

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Ocean Conditions at EHSC1 as of
(5:00 am PST)
1300 GMT on 01/09/2026:
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):	4.3 ft
Ocean Temperature (OTMP):	54.68 °F
Conductivity (COND):	43.37 mS/cm
Salinity (SAL):	27.90 psu
Oxygen Saturation (O2PCT):	87.6%
Oxygen Concentration (O2PPM):	7.80 ppm
Turbidity (TURB):	3 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
2026-01-09 04:45 am	4.3	54.50	43.05	27.70	88.30	7.90	-	3	8.00	-
2026-01-09 04:30 am	4.3	54.14	42.72	27.40	88.80	8.00	-	4	8.00	-
2026-01-09 04:15 am	3.9	53.78	42.32	27.20	88.80	8.10	-	4	8.00	-
2026-01-09 04:00 am	3.9	53.42	42.09	27.00	89.00	8.10	-	4	8.00	-
2026-01-09 03:45 am	3.9	53.24	41.87	26.80	88.90	8.10	-	4	8.00	-
2026-01-09 03:30 am	3.9	53.24	41.75	26.70	89.40	8.20	-	4	8.00	-
2026-01-09 03:15 am	3.9	53.06	41.65	26.70	90.00	8.30	-	4	8.00	-
2026-01-09 03:00 am	3.9	52.70	41.55	26.60	90.40	8.30	-	4	8.10	-
2026-01-09 02:45 am	3.9	52.34	41.55	26.60	90.80	8.40	-	4	8.10	-
2026-01-09 02:30 am	3.9	52.16	41.76	26.70	91.90	8.50	-	4	8.10	-
2026-01-09 02:15 am	3.9	52.16	42.16	27.00	94.60	8.80	-	4	8.10	-
2026-01-09 02:00 am	3.9	52.16	42.45	27.20	97.70	9.00	-	4	8.20	-
2026-01-09 01:45 am	3.9	52.34	43.61	28.00	102.60	9.40	-	4	8.20	-
2026-01-09 01:30 am	3.9	51.98	44.50	28.70	106.30	9.80	-	4	8.30	-
2026-01-09 01:15 am	3.9	51.98	45.28	29.20	108.40	9.90	-	3	8.30	-
2026-01-09 01:00 am	3.9	51.98	45.22	29.20	110.20	10.10	-	4	8.30	-
2026-01-09 12:45 am	3.9	52.16	45.16	29.10	108.50	9.90	-	6	8.30	-
2026-01-09 12:30 am	3.9	52.34	45.06	29.10	106.40	9.70	-	4	8.20	-
2026-01-09 12:15 am	3.9	52.34	45.03	29.10	109.40	10.00	-	4	8.30	-
2026-01-09 12:00 am	3.9	52.70	45.00	29.00	107.10	9.70	-	4	8.20	-
2026-01-08 11:45 pm	3.9	52.88	44.95	29.00	107.20	9.70	-	4	8.20	-
2026-01-08 11:30 pm	3.9	53.06	44.89	29.00	110.90	10.00	-	4	8.20	-
2026-01-08 11:15 pm	3.9	53.24	44.78	28.90	112.40	10.20	-	4	8.20	-
2026-01-08 11:00 pm	3.9	53.24	44.65	28.80	117.80	10.60	-	5	8.20	-
2026-01-08 10:45 pm	3.9	53.42	44.57	28.70	119.40	10.80	-	4	8.20	-
2026-01-08 10:30 pm	3.9	53.42	44.54	28.70	120.50	10.90	-	5	8.20	-
2026-01-08 10:15 pm	3.9	53.78	44.45	28.70	119.90	10.80	-	5	8.20	-
2026-01-08 10:00 pm	3.9	53.78	44.42	28.60	121.80	10.90	-	5	8.20	-
2026-01-08 09:45 pm	3.9	53.96	44.51	28.70	122.50	11.00	-	4	8.20	-
2026-01-08 09:30 pm	3.9	54.14	44.40	28.60	123.10	11.00	-	5	8.20	-
2026-01-08 09:15 pm	3.9	54.14	44.42	28.70	124.40	11.10	-	5	8.20	-
2026-01-08 09:00 pm	3.9	54.32	44.49	28.70	125.10	11.20	-	5	8.20	-
2026-01-08 08:45 pm	3.9	54.32	44.28	28.60	127.50	11.40	-	5	8.20	-
2026-01-08 08:30 pm	4.3	54.50	44.27	28.60	129.90	11.60	-	5	8.20	-
2026-01-08 08:15 pm	4.3	54.86	44.27	28.60	129.90	11.50	-	5	8.20	-
2026-01-08 08:00 pm	4.3	55.04	44.20	28.50	132.10	11.70	-	5	8.20	-
2026-01-08 07:45 pm	4.3	55.04	44.16	28.50	134.10	11.90	-	5	8.20	-
2026-01-08 07:30 pm	4.3	55.22	44.12	28.50	136.20	12.10	-	5	8.30	-
2026-01-08 07:15 pm	4.3	55.40	44.05	28.40	137.20	12.10	-	5	8.30	-
2026-01-08 07:00 pm	4.3	55.58	43.96	28.40	139.20	12.30	-	5	8.30	-
2026-01-08 06:45 pm	4.3	55.76	43.94	28.30	142.20	12.50	-	5	8.30	-
2026-01-08 06:30 pm	4.3	55.94	43.91	28.30	143.80	12.60	-	6	8.30	-
2026-01-08 06:15 pm	4.3	56.12	43.97	28.40	147.30	12.90	-	5	8.30	-
2026-01-08 06:00 pm	4.3	56.30	43.98	28.40	150.00	13.10	-	5	8.30	-
2026-01-08 05:45 pm	4.3	56.48	43.67	28.20	145.90	12.70	-	6	8.30	-
2026-01-08 05:30 pm	4.3	56.30	43.52	28.00	143.50	12.60	-	5	8.30	-
2026-01-08 05:15 pm	4.3	56.66	43.82	28.30	148.00	12.90	-	4	8.30	-
2026-01-08 05:00 pm	4.3	56.66	43.74	28.20	146.20	12.70	-	5	8.30	-
2026-01-08 04:45 pm	4.3	56.84	43.73	28.20	147.10	12.80	-	5	8.30	-
2026-01-08 04:30 pm	4.3	56.84	43.56	28.10	144.10	12.50	-	6	8.30	-
2026-01-08 04:15 pm	4.3	56.84	43.18	27.80	134.50	11.70	-	5	8.20	-
2026-01-08 04:00 pm	4.3	56.66	42.95	27.60	127.50	11.10	-	5	8.20	-
2026-01-08 03:45 pm	4.3	56.30	42.63	27.40	105.90	9.30	-	7	8.10	-
2026-01-08 03:30 pm	4.3	56.30	42.34	27.20	105.40	9.30	-	4	8.10	-
2026-01-08 03:15 pm	4.3	56.30	42.40	27.30	104.50	9.20	-	4	8.10	-
2026-01-08 03:00 pm	4.3	56.30	42.31	27.20	107.40	9.50	-	4	8.10	-
2026-01-08 02:45 pm	4.3	56.12	42.25	27.10	108.20	9.50	-	5	8.10	-
2026-01-08 02:30 pm	4.3	56.12	42.22	27.10	109.20	9.70	-	5	8.10	-
2026-01-08 02:15 pm	4.3	55.94	42.24	27.10	110.60	9.80	-	5	8.10	-
2026-01-08 02:00 pm	4.3	55.76	42.28	27.20	112.20	9.90	-	6	8.10	-
2026-01-08 01:45 pm	4.3	55.58	42.28	27.20	114.40	10.20	-	6	8.10	-
2026-01-08 01:30 pm	4.3	55.40	42.29	27.20	114.70	10.20	-	6	8.10	-
2026-01-08 01:15 pm	4.3	55.40	42.53	27.30	116.20	10.30	-	5	8.20	-
2026-01-08 01:00 pm	4.3	55.40	42.81	27.50	115.80	10.30	-	5	8.20	-
2026-01-08 12:45 pm	4.3	55.40	42.79	27.50	114.80	10.20	-	5	8.10	-
2026-01-08 12:30 pm	4.3	55.58	44.31	28.60	116.10	10.20	-	4	8.10	-
2026-01-08 12:15 pm	4.3	55.58	44.38	28.60	117.40	10.30	-	4	8.10	-
2026-01-08 12:00 pm	4.3	55.40	44.40	28.70	117.00	10.30	-	4	8.10	-
2026-01-08 11:45 am	4.3	55.22	44.68	28.90	117.00	10.30	-	3	8.20	-
2026-01-08 11:30 am	4.3	55.04	44.55	28.80	114.70	10.10	-	3	8.20	-
2026-01-08 11:15 am	4.3	54.50	44.32	28.60	110.20	9.80	-	5	8.10	-
2026-01-08 11:00 am	4.3	54.50	44.32	28.60	108.50	9.70	-	4	8.10	-
2026-01-08 10:45 am	4.3	54.32	44.30	28.60	105.40	9.40	-	5	8.10	-
2026-01-08 10:30 am	4.3	54.14	44.29	28.60	104.70	9.40	-	4	8.10	-
2026-01-08 10:15 am	4.3	53.96	44.22	28.50	98.50	8.80	-	5	8.00	-
2026-01-08 10:00 am	4.3	53.78	44.22	28.50	96.10	8.60	-	5	8.00	-
2026-01-08 09:45 am	4.3	53.60	44.23	28.50	94.50	8.50	-	5	8.00	-
2026-01-08 09:30 am	4.3	53.60	44.27	28.50	95.20	8.60	-	4	8.00	-
2026-01-08 09:15 am	4.3	53.78	44.12	28.40	89.10	8.00	-	5	8.00	-
2026-01-08 09:00 am	4.3	-	44.08	28.40	87.80	7.90	-	5	8.00	-
2026-01-08 08:45 am	4.3	53.24	44.02	28.40	87.80	8.00	-	4	8.00	-
2026-01-08 08:30 am	4.3	53.78	43.98	28.30	84.90	7.60	-	5	7.90	-
2026-01-08 08:15 am	4.3	53.60	43.94	28.30	84.60	7.60	-	5	7.90	-
2026-01-08 08:00 am	4.3	54.32	43.99	28.30	82.50	7.40	-	5	7.90	-
2026-01-08 07:45 am	4.3	54.50	43.98	28.30	80.00	7.10	-	6	7.90	-
2026-01-08 07:30 am	4.3	53.78	43.48	28.00	81.80	7.40	-	5	7.90	-
2026-01-08 07:15 am	4.3	54.32	43.59	28.10	81.90	7.30	-	6	7.90	-
2026-01-08 07:00 am	4.3	54.86	44.01	28.40	82.60	7.30	-	6	7.90	-
2026-01-08 06:45 am	4.3	55.04	43.99	28.40	82.50	7.30	-	6	7.90	-
2026-01-08 06:30 am	4.3	55.22	43.95	28.30	81.20	7.20	-	6	7.90	-
2026-01-08 06:15 am	4.3	55.40	44.00	28.40	83.80	7.40	-	6	7.90	-
2026-01-08 06:00 am	4.3	55.58	44.03	28.40	84.60	7.50	-	6	7.90	-
2026-01-08 05:45 am	4.3	55.76	43.71	28.20	86.90	7.70	-	6	7.90	-
2026-01-08 05:30 am	4.3	55.76	42.48	27.30	85.20	7.50	-	4	7.90	-
2026-01-08 05:15 am	4.3	55.94	42.44	27.30	85.80	7.60	-	4	7.90	-
2026-01-08 05:00 am	4.3	56.12	42.32	27.20	87.40	7.70	-	4	7.90	-

Description of Measurements

Historical data for station EHSC1 are available at the NERRS website.

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