Water Temperature of Port Townsend Bay in Port Townsend, WA

Current Water Temperature

48.2°F

Measurement Time: Wednesday, March 18, 2026, 8:18 AM PDT

Temperature Locations

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Local Points of Interest

Port Townsend Ferry Terminal; Strait of Juan de Fuca; Olympic Peninsula

Port Townsend Bay

Station Name: 9444900 - Port Townsend, WA
Station Type: Fixed
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet

Nearest Address:
Ferry Dock
Port Townsend, WA 98368
Jefferson County

GPS Coordinates: 48.111, -122.76

Nearby Water Temperatures

Skagit River, Burlington, WA (30.2 mi)
Port Angeles Harbor, Port Angeles, WA (31.4 mi)
Friday Harbor, Friday Harbor, WA (32.2 mi)
Strait of Juan de Fuca, Angeles Point, WA (39.3 mi)
Sultan River, Lake Roesiger, WA (45.7 mi)
Sultan River, Sultan, WA (45.9 mi)
Duwamish River, Tukwila, WA (47.5 mi)
South Fork Nooksack River, Doran, WA (47.7 mi)
Skookum Creek, Doran, WA (48.1 mi)
North Fork Skokomish River, Hoodsport, WA (49 mi)
Duwamish River, Tukwila, WA (49.5 mi)
Cedar River, Renton, WA (50.5 mi)
Nooksack River, Ferndale, WA (51.3 mi)
Tolt River, Carnation, WA (52 mi)
North Fork Tolt River, Carnation, WA (52.7 mi)

Weather for Port Townsend, Washington

Current Weather

55°F
Partly cloudy
Partly cloudy
54.8°F
50.6°F
86%
SSE 3.8 mph
6.2 mph
49.6°F
47.6°F
0 in
75%
9 mi
1015 mbar
1.1

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 56°F
L: 49°F
Overcast
Thu
H: 54°F
L: 50°F
Moderate rain
Fri
H: 55°F
L: 45°F
Patchy rain nearby
Sat
H: 46°F
L: 39°F
Sunny
Sun
H: 48°F
L: 37°F

Air Quality

AQI: 1 - Good
PM2.5: 2.55 μg/m3
PM10: 2.55 μg/m3
Carbon Monoxide: 177.85 μg/m3
Nitrogen Dioxide: 9.65 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 51 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 12:00 AM
Sunset: 7:21 PM
Daylight: 12 hrs 4 mins
Moonrise: 7:05 AM
Moon Transit: 10:31 PM
Moonset: 7:23 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

8:28 PM - 10:58 PM
12:00 AM - 12:00 AM

Minor Periods

6:53 PM - 8:23 PM
6:35 AM - 8:05 AM

Action Rating: 4 out of 5

orange warning - rainfall - in effect

Service Notice – February 2026: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2026, changes are expected to include... 1) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard is tentatively set for Spring 2026 deployment. Data changes will appear in CAP following this deployment and 2) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – février 2026: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2026, il y aura des changements incluant... 1) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique devrait être déployée provisoirement au printemps 2026. Des changements de données apparaîtront dans le PAC à la suite de ce déploiement et 2) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Tue March 17, 2026, 6:24 PM
Expires: Wed March 18, 2026, 10:24 AM

Prolonged Atmospheric River Event Where: West Vancouver Island. What and when: - Total rainfall amounts near 150 to 250 mm with locally higher amounts reaching 300 mm from Sunday to Wednesday morning. - Periods of heavy rain continue Wednesday afternoon to Friday Impacts: - Prolonged heavy rain on snow combined with mountain snow melt could lead to very enhanced responses in river systems and the potential for flooding. - Extensive water pooling on roads and washouts possible. - Enhanced risk of landslides due to saturation of the ground. Remark: An atmospheric river will remain over the South Coast of B.C. through Friday. With freezing levels near 2000 to 3000 metres, snowmelt from higher elevations may increase the impacts associated with this rainfall event. Rain will intensify this evening and briefly eases Wednesday morning. Periods of moderate to heavy rain will continue Wednesday afternoon to Friday under the influence of of the atmospheric river. The heaviest rainfall is expected Thursday night into Friday morning. ### Localized flooding is likely. Some roads may become impassable. Landslides may occur in vulnerable areas such as steep slopes, deforested areas or recent burn scars. Fast-moving and rapidly rising water can sweep vehicles away and damage infrastructure. Rainfall warnings are issued when significant impacts are expected due to rainfall amounts. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to BCstorm@ec.gc.ca or post reports on X using #BCStorm.

Stay away from rivers, creeks and culverts.


orange warning - rainfall - in effect

Service Notice – February 2026: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2026, changes are expected to include... 1) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard is tentatively set for Spring 2026 deployment. Data changes will appear in CAP following this deployment and 2) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – février 2026: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2026, il y aura des changements incluant... 1) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique devrait être déployée provisoirement au printemps 2026. Des changements de données apparaîtront dans le PAC à la suite de ce déploiement et 2) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Wed March 18, 2026, 4:31 AM
Expires: Wed March 18, 2026, 8:31 PM

Rain, at times heavy, continues. Prolonged Atmospheric River Event Where: West Vancouver Island. What and when: - Periods of heavy rain continues this afternoon to Friday Impacts: - Prolonged heavy rain on snow combined with mountain snow melt could lead to very enhanced responses in river systems and the potential for flooding. - Extensive water pooling on roads and washouts possible. - Enhanced risk of landslides due to saturation of the ground. Remark: An atmospheric river will remain over the South Coast of B.C. through Friday. With freezing levels near 2000 to 3000 metres, snowmelt from higher elevations may increase the impacts associated with this rainfall event. Rain is expected to ease briefly this morning before intensifying again this afternoon to Friday under the influence of of the atmospheric river. The heaviest rainfall is expected Thursday night into Friday morning. ### Landslides may occur in vulnerable areas such as steep slopes, deforested areas or recent burn scars. Fast-moving and rapidly rising water can sweep vehicles away and damage infrastructure. Rainfall warnings are issued when significant impacts are expected due to rainfall amounts. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to BCstorm@ec.gc.ca or post reports on X using #BCStorm.

Stay away from rivers, creeks and culverts.


yellow warning - rainfall - in effect

Service Notice – February 2026: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2026, changes are expected to include... 1) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard is tentatively set for Spring 2026 deployment. Data changes will appear in CAP following this deployment and 2) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – février 2026: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2026, il y aura des changements incluant... 1) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique devrait être déployée provisoirement au printemps 2026. Des changements de données apparaîtront dans le PAC à la suite de ce déploiement et 2) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Tue March 17, 2026, 6:27 PM
Expires: Wed March 18, 2026, 10:27 AM

Prolonged Atmospheric River Event Where: Inland Vancouver Island What and when: - Total rainfall amounts from Sunday to Wednesday morning: near 100 to 150 mm over northern sections including Gold River, and 50 to 70 mm over southern sections including Port Alberni and Lake Cowichan - Periods of heavy rain continues Wednesday afternoon to Friday Impacts: -Prolonged heavy rain on snow combined with mountain snow melt could lead to very enhanced responses in river systems and potential for flooding. -Extensive water pooling on roads and washouts may occur. -Enhanced risk of landslides due to saturation of landscapes. Remark: An atmospheric river will remain over the South Coast of B.C. through Friday. With freezing levels near 2000 to 3000 metres, snowmelt from higher elevations may increase the impacts associated with this rainfall event. Rain will intensify this evening and briefly eases Wednesday morning. Periods of moderate to heavy rain will continue Wednesday afternoon to Friday under the influence of of the atmospheric river. The heaviest rainfall is expected Thursday night into Friday. ### Water will likely pool on roads and in low-lying areas. Some travel delays are possible. Landslides may occur in vulnerable areas such as steep slopes, deforested areas or recent burn scars. Fast-moving and rapidly rising water can sweep vehicles away and damage infrastructure. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to BCstorm@ec.gc.ca or post reports on X using #BCStorm.

Watch for washouts near rivers, creeks and culverts.


yellow warning - rainfall - in effect

Service Notice – February 2026: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2026, changes are expected to include... 1) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard is tentatively set for Spring 2026 deployment. Data changes will appear in CAP following this deployment and 2) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – février 2026: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2026, il y aura des changements incluant... 1) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique devrait être déployée provisoirement au printemps 2026. Des changements de données apparaîtront dans le PAC à la suite de ce déploiement et 2) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Wed March 18, 2026, 4:26 AM
Expires: Wed March 18, 2026, 8:26 PM

Prolonged Atmospheric River Event Where: Inland Vancouver Island What and when: - Periods of heavy rain continues this afternoon to Friday Impacts: -Prolonged heavy rain on snow combined with mountain snow melt could lead to very enhanced responses in river systems and potential for flooding. -Extensive water pooling on roads and washouts may occur. -Enhanced risk of landslides due to saturation of landscapes. Remark: An atmospheric river will remain over the South Coast of B.C. through Friday. With freezing levels near 2000 to 3000 metres, snowmelt from higher elevations may increase the impacts associated with this rainfall event. Rain is expected to intensify again this afternoon to Friday under the influence of of the atmospheric river. The heaviest rainfall is expected Thursday night into Friday. ### Water will likely pool on roads and in low-lying areas. Some travel delays are possible. Landslides may occur in vulnerable areas such as steep slopes, deforested areas or recent burn scars. Fast-moving and rapidly rising water can sweep vehicles away and damage infrastructure. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to BCstorm@ec.gc.ca or post reports on X using #BCStorm.

Watch for washouts near rivers, creeks and culverts.


Wednesday, March 18, 2026

Weather Forecast

Patchy rain nearby
55.9°F
48.6°F
51°F
89%
0.06 in
87%
0%
11.4 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3.5 μg/m3
PM10: 3.73 μg/m3
Carbon Monoxide: 148.69 μg/m3
Nitrogen Dioxide: 11.02 μg/m3
Sulphur Dioxide: 1.93 μg/m3
Ozone: 49.08 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 12:00 AM
Sunset: 7:21 PM
Daylight: 12 hrs 4 mins
Moonrise: 7:05 AM
Moon Transit: 10:31 PM
Moonset: 7:23 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

8:28 PM - 10:58 PM
12:00 AM - 12:00 AM

Minor Periods

6:53 PM - 8:23 PM
6:35 AM - 8:05 AM

Action Rating: 4 out of 5

Thursday, March 19, 2026

Weather Forecast

Overcast
54.3°F
50°F
51.6°F
89%
0 in
0%
0%
12.1 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 2.71 μg/m3
PM10: 2.88 μg/m3
Carbon Monoxide: 144.41 μg/m3
Nitrogen Dioxide: 7.43 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 58.28 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 12:00 AM
Sunset: 7:22 PM
Daylight: 12 hrs 7 mins
Moonrise: 7:21 AM
Moon Transit: 12:00 AM
Moonset: 8:44 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:16 PM - 11:46 PM

Minor Periods

8:14 PM - 9:44 PM
6:51 AM - 8:21 AM

Action Rating: 4 out of 5

Friday, March 20, 2026

Weather Forecast

Moderate rain
55°F
44.6°F
49.5°F
94%
0.45 in
89%
0%
23.3 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3 μg/m3
PM10: 3.23 μg/m3
Carbon Monoxide: 147.13 μg/m3
Nitrogen Dioxide: 9.5 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 44.08 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 7:27 AM
Sunset: 7:24 PM
Daylight: 12 hrs 11 mins
Moonrise: 7:38 AM
Moon Transit: 2:43 PM
Moonset: 10:07 PM
Moon Phase: New
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:13 PM - 4:43 PM

Minor Periods

9:37 PM - 11:07 PM
7:08 AM - 8:38 AM

Action Rating: 4 out of 5

Saturday, March 21, 2026

Weather Forecast

Patchy rain nearby
45.5°F
38.7°F
41.9°F
73%
0.02 in
84%
0%
16.6 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 3.18 μg/m3
PM10: 4.21 μg/m3
Carbon Monoxide: 150.23 μg/m3
Nitrogen Dioxide: 3.67 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 81.84 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:00 AM
Sunset: 7:25 PM
Daylight: 12 hrs 14 mins
Moonrise: 7:59 AM
Moon Transit: 3:36 PM
Moonset: 11:33 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:06 PM - 5:36 PM

Minor Periods

12:00 AM - 12:00 AM
7:29 AM - 8:59 AM

Action Rating: 3 out of 5

Sunday, March 22, 2026

Weather Forecast

Sunny
48.3°F
36.7°F
41.9°F
77%
0 in
0%
0%
11.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 7.63 μg/m3
PM10: 10.09 μg/m3
Carbon Monoxide: 197.39 μg/m3
Nitrogen Dioxide: 8.54 μg/m3
Sulphur Dioxide: 2.01 μg/m3
Ozone: 74.77 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 12:00 AM
Sunset: 7:27 PM
Daylight: 12 hrs 18 mins
Moonrise: 8:26 AM
Moon Transit: 4:33 PM
Moonset: 12:33 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:03 PM - 6:33 PM

Minor Periods

7:56 AM - 9:26 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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