Portland
NDBC buoy casm1
Observed , 58 minutes ago
Challenging
Small Craft Advisory in effect. Light and variable winds. Pressure steady at 1,033.6 mbar. Water 59°F, air 56°F. Next high tide at 9:42 PM (9 ft). Tonight: E Winds Around 5 Kt, Becoming NE After Midnight.
It tells you it is rough now. The app tells you before it gets rough, with alerts at the wind and wave limits you set.
Get Buoycast for iPhoneSmall Craft Advisory
Small Craft Advisory issued September 23 at 7:10PM EDT until September 25 at 8:00AM EDT by NWS Gray ME
* WHAT...Northeast winds 5 to 15 kt with gusts up to 25 kt and seas 2 to 5 ft expected. * WHERE...Casco Bay. * WHEN...From 8 PM Thursday to 8 AM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft.
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Get Buoycast for iPhoneWind
Speed
2.9kn
Gust
5.1kn
Direction
120° ESE
Trend
Easing
Last 11 hours1 to 11 kn
Air temp
56°F
52 to 58°F today
Water temp
59°F
59 to 60°F today
Pressure
1034mbar
Tendency
Steady
3 hour change
-0.1 mbar
Last 11 hours1033 to 1036 mbar
Tides
Next high
9:42 PM
9.3 ft
Then low
4:00 AM
0.7 ft
Predicted, PORTLAND0.7 to 9.3 ft
Zone forecast
Tonight
E Winds Around 5 Kt, Becoming NE After Midnight. Seas 2 To 3 Ft.
Thu
NE Winds Around 10 Kt, Becoming E In The Afternoon. Seas 2 To 4 Ft.
Thu Night
NE Winds 5 To 10 Kt, Becoming N 10 To 15 Kt With Gusts Up To 20 Kt After Midnight. Seas 2 To 4 Ft.
Synopsis
Northeast winds prevail over the waters through the week with high pressure sliding east across southern Canada. A developing storm off the Carolinas gradually tracks toward New England through late Friday, and lingers south of New England through much of the weekend.
NWS zone Casco Bay
Last 24 hours
Every 3 hours, over the last 12 hours. Air 52 to 58°F, pressure 1,033 to 1,036 mbar over the same window.
3 stations within 30 NM
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Get Buoycast for iPhoneCommon questions
How often does buoy casm1 report?
Wind, temperature and pressure update about every 10 minutes.
Can I be notified when conditions change at buoy casm1?
Buoycast Pro lets you set your own limits on wind, waves or pressure and sends a threshold notification when this buoy crosses them.
Does this page show NOAA warnings for this area?
Watches, warnings, and advisories for Casco Bay appear alongside the conditions, here and in the app. Pro also pushes NOAA watches, warnings, and advisories when they are issued.
Can I see the forecast against what buoy casm1 measured?
This page shows measurements only. Buoycast Pro charts the NOAA forecast against them so you can see where the two diverge.
Can I keep buoy casm1 for next time?
Save it as a favorite and Buoycast opens on the buoys you run.
What this buoy measures
This buoy is not reporting waves. Conditions above come from the sensors it does carry, and the forecast, tides and sun times on this page are regional rather than measured at the buoy.
Station casm1
43°39'22" N 70°14'46" W · owned and maintained by NOS
Measured on the water by 1,000+ NOAA buoys. Observations from the National Data Buoy Center, forecasts and advisories from the National Weather Service. Not for navigation.