diff --git a/include/libdivecomputer/parser.h b/include/libdivecomputer/parser.h
index 18b4a96..b0cf444 100644
--- a/include/libdivecomputer/parser.h
+++ b/include/libdivecomputer/parser.h
@@ -47,7 +47,9 @@ typedef enum dc_field_type_t {
 	DC_FIELD_MAXDEPTH,
 	DC_FIELD_AVGDEPTH,
 	DC_FIELD_GASMIX_COUNT,
-	DC_FIELD_GASMIX
+	DC_FIELD_GASMIX,
+	DC_FIELD_SALINITY,
+	DC_FIELD_ATMOSPHERIC
 } dc_field_type_t;
 
 typedef enum parser_sample_event_t {
@@ -93,6 +95,16 @@ typedef enum parser_sample_vendor_t {
 	SAMPLE_VENDOR_OCEANIC_ATOM2
 } parser_sample_vendor_t;
 
+typedef enum dc_water_t {
+	DC_WATER_FRESH,
+	DC_WATER_SALT
+} dc_water_t;
+
+typedef struct dc_salinity_t {
+	dc_water_t type;
+	double density;
+} dc_salinity_t;
+
 typedef struct dc_gasmix_t {
 	double helium;
 	double oxygen;
diff --git a/src/hw_ostc_parser.c b/src/hw_ostc_parser.c
index e0801f2..541f6ff 100644
--- a/src/hw_ostc_parser.c
+++ b/src/hw_ostc_parser.c
@@ -211,6 +211,7 @@ hw_ostc_parser_get_field (dc_parser_t *abstract, dc_field_type_t type, unsigned
 		data += 6;
 
 	dc_gasmix_t *gasmix = (dc_gasmix_t *) value;
+	dc_salinity_t *water = (dc_salinity_t *) value;
 
 	if (value) {
 		switch (type) {
@@ -234,6 +235,16 @@ hw_ostc_parser_get_field (dc_parser_t *abstract, dc_field_type_t type, unsigned
 				gasmix->helium = data[20 + 2 * flags] / 100.0;
 			gasmix->nitrogen = 1.0 - gasmix->oxygen - gasmix->helium;
 			break;
+		case DC_FIELD_SALINITY:
+			if (data[43] == 100)
+				water->type = DC_WATER_FRESH;
+			else
+				water->type = DC_WATER_SALT;
+			water->density = data[43] * 10.0;
+			break;
+		case DC_FIELD_ATMOSPHERIC:
+			*((double *) value) = array_uint16_le (data + 15) / 1000.0;
+			break;
 		default:
 			return DC_STATUS_UNSUPPORTED;
 		}