Santa Cruz Wharf
Wednesday, June 11, 2025
* Quick HAB Observations *
– Pseudo-nitzschia: Present
– Alexandrium: Present
– Dinophysis: Rare
– Margalefidinium: None
* Impressions *
Sunny and clear at the wharf this morning. The net tow shifted to mostly diatoms this week and Chaetoceros was the most abundant. No P. australis or P. multiseries were detected in the probed counts and Pn in the net tow were mostly delicatissma size. Alexandrium cell concentrations increased from last week.
Dinoflagellates:
P: Ceratium
P: Alexandrium
P: Boreadinium
P: Prorocentrum
R: Protoperidinium
R: Dinophysis
R: Scrippsiella
R: Polykrikos
Diatoms:
C: Chaetoceros
P: Eucampia
P: Coscinodiscus
P: Detonula
P: Pseudo-nitzschia
P: Ditylum
P: Leptocylindrus
P: Proboscia
P: Rhizosolenia
R: Pleurosigma
R: Asterionellopsis
R: Nitzschia
* Environmental Information *
Time: 8:30 am
Collector: A. Trapp
Water Conditions (SCW)
Water Temperature: 15.3 C
Water Conditions: Calm
Water Color/Code: Green, 10GY 3/4 (#29)
Water Visibility: 8 ft
Tide: Rising, High – 12:57, 3.4 ft
NDBC buoy 46236
– Significant wave height: 1.1 m
– Swell height/direction: 0.7 m, WNW
– Wind wave height/direction: 0.9 m, WNW
Weather Conditions (KudelaHawk)
Sky: Sunny
Air Temperature: 55.9 F (13.3 C)
Wind: 2 mph, ESE
Solar radiation: 225 watts/m^2
Monterey Wharf II
No sample this week
Rare (R): <1% ~~~ Present (P): 1 – 9% ~~~ Common (C): 10 – 49% ~~~ Abundant (A): >= 50%