Portland
NDBC buoy casm1
Observed , 48 minutes ago
Challenging
Small Craft Advisory in effect. Light W winds at 5 kn gusting to 8 kn, easing. Pressure steady at 1,001.9 mbar. Water 53°F, air 46°F. Next low tide at 4:24 PM (0 ft). Today: NW winds 10 to 15 kt, increasing to 15 to 20 kt late this morning, then becoming W 10 to 15 kt this afternoon.
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 November 8 at 1:35AM EST until November 8 at 4:00PM EST by NWS Gray ME
* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and seas 1 to 3 ft expected. * WHERE...Penobscot Bay and Casco Bay. * WHEN...From 7 AM this morning to 4 PM EST this afternoon. * IMPACTS...Conditions will be hazardous to small craft.
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Get Buoycast for iPhoneWind
Speed
5.1kn
Gust
8kn
Direction
280° W
Trend
Rising
Last 11 hours1.9 to 12 kn
Air temp
46°F
42 to 46°F today
Water temp
53°F
53 to 53°F today
Pressure
1002mbar
Tendency
Steady
3 hour change
-0.2 mbar
Last 11 hours1001 to 1002 mbar
Tides
Next low
4:24 PM
-0.3 ft
Then high
10:37 PM
9.2 ft
Predicted, PORTLAND-0.3 to 10 ft
Zone forecast
Today
NW winds 10 to 15 kt, increasing to 15 to 20 kt late this morning, then becoming W 10 to 15 kt this afternoon. Seas 2 to 3 ft. Rain early this morning, then a chance of rain late this morning and early afternoon. Vsby 1 to 3 NM this morning.
Tonight
W winds 5 to 10 kt. Seas 2 to 3 ft.
Mon
W winds 5 to 10 kt. Seas around 2 ft.
Synopsis
Northwest winds will turn gusty today before diminishing tonight. The low pressure will stay in the vicinity of the Canadian Maritimes through midweek, keeping a west to northwest flow across the waters. Another low pressure may pass near the waters toward late week.
NWS zone Casco Bay
Last 24 hours
Every 3 hours, over the last 12 hours. Air 42 to 46°F, pressure 1,001 to 1,002 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.