Station List

Station RYEC1 - Second Mallard, San Francisco Bay Reserve, CA

Owned and maintained by National Estuarine Research Reserve System
NERRS Water Quality Station
38.184 N 122.014 W (38°11'3" N 122°0'49" W)

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Regional HF Radar Surface Current Observations

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Ocean Conditions at RYEC1 as of
(3:30 am PST)
1130 GMT on 11/01/2026:
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):	58.64 °F
Conductivity (COND):	13.56 mS/cm
Salinity (SAL):	7.90 psu
Oxygen Saturation (O2PCT):	64.3%
Oxygen Concentration (O2PPM):	6.20 ppm
Turbidity (TURB):	16 FTU
pH (PH):	7.20

Previous observations
TIME (PST)	DEPTH ft	OTMP °F	COND mS/cm	SAL psu	O2% %	O2PPM ppm	CLCON ug/l	TURB FTU	PH	EH mV
2026-11-01 03:15 am	5.2	57.92	13.00	7.50	64.60	6.30	-	13	7.20	-
2026-11-01 03:00 am	5.2	57.56	12.64	7.30	64.20	6.30	-	13	7.20	-
2026-11-01 02:45 am	5.2	57.20	12.38	7.10	63.80	6.30	-	12	7.20	-
2026-11-01 02:30 am	5.2	56.66	11.96	6.90	63.50	6.30	-	10	7.10	-
2026-11-01 02:15 am	5.2	56.66	11.93	6.90	63.70	6.30	-	10	7.10	-
2026-11-01 02:00 am	5.2	56.66	11.89	6.80	63.80	6.30	-	10	7.10	-
2026-11-01 01:45 am	5.2	56.84	11.83	6.80	63.90	6.40	-	10	7.10	-
2026-11-01 01:30 am	5.2	56.84	11.77	6.80	64.10	6.40	-	10	7.10	-
2026-11-01 01:15 am	5.6	57.02	11.72	6.70	64.10	6.40	-	10	7.20	-
2026-11-01 01:00 am	5.6	57.02	11.65	6.70	64.30	6.40	-	10	7.20	-
2026-11-01 12:45 am	5.9	57.02	11.58	6.60	64.50	6.40	-	10	7.20	-
2026-11-01 12:30 am	5.9	57.20	11.17	6.40	64.60	6.40	-	11	7.20	-
2026-11-01 12:15 am	6.2	57.20	11.43	6.50	64.70	6.40	-	11	7.20	-
2026-11-01 12:00 am	6.2	57.38	11.38	6.50	64.70	6.40	-	12	7.20	-
2026-10-31 11:45 pm	6.6	57.56	11.31	6.50	64.70	6.40	-	12	7.20	-
2026-10-31 11:30 pm	6.6	57.74	11.26	6.40	64.80	6.40	-	13	7.20	-
2026-10-31 11:15 pm	6.9	57.74	11.19	6.40	64.90	6.40	-	15	7.20	-
2026-10-31 11:00 pm	6.9	57.92	11.13	6.40	65.20	6.40	-	17	7.20	-
2026-10-31 10:45 pm	7.2	58.10	11.04	6.30	65.40	6.40	-	19	7.20	-
2026-10-31 10:30 pm	7.2	58.28	10.92	6.20	65.80	6.40	-	22	7.20	-
2026-10-31 10:15 pm	7.5	58.64	10.75	6.10	66.30	6.50	-	25	7.20	-
2026-10-31 10:00 pm	7.9	58.82	10.57	6.00	66.80	6.50	-	30	7.20	-
2026-10-31 09:45 pm	7.9	59.18	10.38	5.90	67.60	6.60	-	34	7.20	-
2026-10-31 09:30 pm	8.2	59.36	10.22	5.80	68.40	6.60	-	38	7.20	-
2026-10-31 09:15 pm	8.5	59.72	10.22	5.80	69.30	6.70	-	43	7.20	-
2026-10-31 09:00 pm	8.9	59.90	10.47	6.00	69.90	6.70	-	42	7.20	-
2026-10-31 08:45 pm	8.9	60.26	10.91	6.20	70.40	6.70	-	39	7.30	-
2026-10-31 08:30 pm	9.2	60.44	11.43	6.50	71.00	6.80	-	34	7.30	-
2026-10-31 08:15 pm	9.5	60.44	12.03	6.90	71.80	6.80	-	37	7.30	-
2026-10-31 08:00 pm	9.8	60.62	12.58	7.30	73.00	6.90	-	31	7.30	-
2026-10-31 07:45 pm	9.8	60.80	13.12	7.60	74.40	7.00	-	33	7.30	-
2026-10-31 07:30 pm	9.8	60.80	13.50	7.80	75.20	7.10	-	31	7.40	-
2026-10-31 07:15 pm	10.2	60.80	13.56	7.90	75.20	7.10	-	30	7.40	-
2026-10-31 07:00 pm	10.2	60.80	13.45	7.80	74.90	7.00	-	36	7.40	-
2026-10-31 06:45 pm	10.2	60.80	13.21	7.60	74.60	7.00	-	37	7.30	-
2026-10-31 06:30 pm	10.2	60.80	12.90	7.50	74.10	7.00	-	40	7.30	-
2026-10-31 06:15 pm	10.2	60.80	12.54	7.20	73.60	6.90	-	41	7.30	-
2026-10-31 06:00 pm	10.2	60.80	12.13	7.00	72.90	6.90	-	43	7.30	-
2026-10-31 05:45 pm	10.2	60.80	11.63	6.70	72.50	6.90	-	43	7.30	-
2026-10-31 05:30 pm	9.8	60.80	11.25	6.40	72.10	6.90	-	46	7.30	-
2026-10-31 05:15 pm	9.8	60.80	10.85	6.20	72.40	6.90	-	45	7.30	-
2026-10-31 05:00 pm	9.8	60.80	10.32	5.90	73.50	7.00	-	45	7.30	-
2026-10-31 04:45 pm	9.8	60.98	9.77	5.50	74.70	7.10	-	43	7.30	-
2026-10-31 04:30 pm	9.8	60.98	9.50	5.40	75.10	7.20	-	491	7.30	-
2026-10-31 04:15 pm	9.8	60.98	9.58	5.40	74.80	7.10	-	38	7.30	-
2026-10-31 04:00 pm	9.5	60.98	9.63	5.40	74.60	7.10	-	37	7.30	-
2026-10-31 03:45 pm	9.5	60.80	9.70	5.50	73.30	7.00	-	32	7.30	-
2026-10-31 03:30 pm	9.5	60.62	9.92	5.60	72.30	6.90	-	34	7.30	-
2026-10-31 03:15 pm	9.2	60.44	10.07	5.70	70.80	6.80	-	32	7.30	-
2026-10-31 03:00 pm	9.2	60.44	10.40	5.90	70.00	6.70	-	23	7.20	-
2026-10-31 02:45 pm	8.9	60.44	10.65	6.10	70.10	6.70	-	18	7.20	-
2026-10-31 02:30 pm	8.5	60.26	10.73	6.10	68.50	6.60	-	16	7.20	-
2026-10-31 02:15 pm	8.5	60.08	10.91	6.20	67.90	6.50	-	13	7.20	-
2026-10-31 02:00 pm	8.2	60.26	11.12	6.40	70.20	6.70	-	11	7.20	-
2026-10-31 01:45 pm	8.2	60.26	11.15	6.40	69.10	6.60	-	12	7.20	-
2026-10-31 01:30 pm	7.9	59.90	11.56	6.60	66.80	6.40	-	14	7.20	-
2026-10-31 01:15 pm	7.9	59.00	12.64	7.30	60.40	5.80	-	12	7.20	-
2026-10-31 01:00 pm	7.5	58.82	12.67	7.30	60.30	5.80	-	11	7.20	-
2026-10-31 12:45 pm	7.5	59.00	12.66	7.30	60.80	5.90	-	12	7.20	-
2026-10-31 12:30 pm	7.5	59.00	12.65	7.30	61.30	5.90	-	12	7.20	-
2026-10-31 12:15 pm	7.5	59.00	12.59	7.30	61.70	6.00	-	13	7.20	-
2026-10-31 12:00 pm	7.5	58.82	12.66	7.30	61.30	5.90	-	14	7.20	-
2026-10-31 11:45 am	7.5	58.82	12.61	7.30	61.70	6.00	-	14	7.20	-
2026-10-31 11:30 am	7.5	59.00	12.51	7.20	61.90	6.00	-	14	7.20	-
2026-10-31 11:15 am	7.9	59.00	12.51	7.20	61.80	6.00	-	18	7.20	-
2026-10-31 11:00 am	7.9	59.00	12.32	7.10	62.50	6.00	-	12	7.20	-
2026-10-31 10:45 am	8.2	59.00	12.29	7.10	62.50	6.00	-	14	7.20	-
2026-10-31 10:30 am	8.2	59.00	12.17	7.00	62.60	6.10	-	13	7.20	-
2026-10-31 10:15 am	8.2	59.00	12.18	7.00	62.60	6.00	-	14	7.20	-
2026-10-31 10:00 am	8.5	59.00	12.09	7.00	62.60	6.10	-	15	7.20	-
2026-10-31 09:45 am	8.9	59.00	12.10	7.00	62.50	6.00	-	15	7.20	-
2026-10-31 09:30 am	8.9	59.00	12.22	7.00	61.70	6.00	-	15	7.20	-
2026-10-31 09:15 am	9.2	59.00	12.19	7.00	61.60	6.00	-	15	7.20	-
2026-10-31 09:00 am	9.2	59.00	12.40	7.10	60.50	5.80	-	15	7.20	-
2026-10-31 08:45 am	9.2	59.18	12.00	6.90	60.80	5.90	-	13	7.20	-
2026-10-31 08:30 am	9.2	59.18	11.81	6.80	61.50	5.90	-	15	7.20	-
2026-10-31 08:15 am	9.2	59.36	11.23	6.40	63.60	6.10	-	13	7.20	-
2026-10-31 08:00 am	9.2	59.90	9.98	5.70	67.20	6.50	-	14	7.20	-
2026-10-31 07:45 am	9.2	60.26	9.55	5.40	70.60	6.80	-	17	7.20	-
2026-10-31 07:30 am	9.2	60.44	9.26	5.20	71.60	6.90	-	17	7.30	-
2026-10-31 07:15 am	9.2	60.44	9.22	5.20	71.70	6.90	-	17	7.30	-
2026-10-31 07:00 am	9.2	60.26	9.42	5.30	70.80	6.80	-	17	7.30	-
2026-10-31 06:45 am	9.2	60.08	9.52	5.40	70.40	6.80	-	14	7.20	-
2026-10-31 06:30 am	9.2	60.08	9.82	5.60	69.50	6.70	-	13	7.20	-
2026-10-31 06:15 am	8.9	59.90	10.19	5.80	67.80	6.50	-	13	7.20	-
2026-10-31 06:00 am	8.9	59.54	10.79	6.20	65.70	6.30	-	13	7.20	-
2026-10-31 05:45 am	8.9	59.36	11.33	6.50	64.10	6.20	-	16	7.20	-
2026-10-31 05:30 am	8.5	59.00	11.88	6.80	62.20	6.00	-	18	7.20	-
2026-10-31 05:15 am	8.5	58.82	12.51	7.20	60.60	5.90	-	23	7.20	-
2026-10-31 05:00 am	8.2	59.00	12.76	7.40	61.40	5.90	-	19	7.20	-
2026-10-31 04:45 am	8.2	59.00	12.90	7.50	62.00	6.00	-	16	7.20	-
2026-10-31 04:30 am	7.9	59.18	13.06	7.60	62.40	6.00	-	19	7.20	-
2026-10-31 04:15 am	7.5	59.18	13.15	7.60	62.70	6.00	-	16	7.20	-
2026-10-31 04:00 am	7.2	59.18	13.23	7.70	62.90	6.00	-	15	7.20	-

Description of Measurements

Historical data for station RYEC1 are available at the NERRS website.

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