diff --git a/src/realizations/coastal/SchismFormulation.cpp b/src/realizations/coastal/SchismFormulation.cpp
index fbe906762d..969d936108 100644
--- a/src/realizations/coastal/SchismFormulation.cpp
+++ b/src/realizations/coastal/SchismFormulation.cpp
@@ -132,7 +132,7 @@ SchismFormulation::data_type SchismFormulation::get_value(const selection_type&
 
 void SchismFormulation::get_values(const selection_type& selector, boost::span<double> data)
 {
-    throw std::runtime_error(__func__);
+    bmi_->GetValue(selector.variable_name, data.data());
 }
 
 size_t SchismFormulation::mesh_size(std::string const& variable_name)