Friday, September25, 2020
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L-36.com

Marine Weather and Tides
Dauphin Island, AL

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:40AMSunset 6:45PM Friday September 25, 2020 7:14 AM CDT (12:14 UTC) Moonrise 3:21PMMoonset 12:47AM Illumination 58% Phase: First Quarter Moon; Moon at 8 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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GMZ631 Southern Mobile Bay- 434 Am Cdt Fri Sep 25 2020
Today..North winds 3 to 8 knots becoming southwest. Waves around 1 foot.
Tonight..West winds 3 to 8 knots becoming light. Waves around 1 foot.
Saturday..Winds light becoming south 3 to 8 knots. Waves around 1 foot.
Saturday night..South winds 3 to 8 knots becoming 5 to 10 knots. Waves around 1 foot.
Sunday..South winds 3 to 8 knots increasing to 8 to 13 knots. Waves around 1 foot. Slight chance of showers and Thunderstorms in the morning, then chance of showers and Thunderstorms in the afternoon.
Sunday night..South winds 8 to 13 knots. Waves around 1 foot. Chance of showers in the evening. Slight chance of Thunderstorms. Slight chance of showers after midnight.
Monday..Southwest winds 8 to 13 knots. Waves around 1 foot. Chance of showers and Thunderstorms.
Monday night..West winds 20 to 25 knots. Waves 1 to 2 feet. Chance of showers and Thunderstorms.
Tuesday..North winds 18 to 23 knots. Waves 1 to 2 feet. Slight chance of showers.
Tuesday night..North winds 10 to 15 knots. Waves around 1 foot.
GMZ600 Synopsis For Pascagoula Ms To Okaloosa Walton County Line Fl Out 60 Nm Including Major Area Bays And Sounds- 434 Am Cdt Fri Sep 25 2020
Synopsis..Light and variable winds will occur today through Saturday morning as a weak surface high pressure area builds over the region. A light onshore flow returns Saturday afternoon that will increase slightly into early next week. Moderate to strong westerly winds will set up Monday night ahead of a strong cold front approaching the area, then shift to the north on Tuesday as the front slips through. Seas subside today through the weekend before building again in the wake of the cold front next week.


7 Day Forecast for Marine Location Near Dauphin Island, AL
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location: 30.25, -88.08     debug


Area Discussion for - Mobile/Pensacola, FL
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FXUS64 KMOB 251149 AAA AFDMOB

Area Forecast Discussion . UPDATED National Weather Service Mobile AL 649 AM CDT Fri Sep 25 2020

AVIATION. 12Z issuance . Predominantly MVFR to isolated IFR ceilings west of I-65 will slowly lift from the coast northward throughout the day. VFR conditions will then prevail through the overnight hours. Light winds around 6 knots or less will be variable through the forecast period. /22

PREV DISCUSSION. /issued 444 AM CDT Fri Sep 25 2020/

NEAR TERM UPDATE /Now Through Saturday/ . As a weak surface high pressure area builds in from the northwest, PWATS will continue to drop to between 0.9 to 1.2 inches today and remain there through the overnight hours. An increasing boundary layer south to southwest wind will set up along the southern third of the forecast area on Saturday as the high slips further east, where PWATS once again increase to between 1.3 to 1.6 inches, while remaining rather dry to the north. With high pressure in control, rain chances will be nil today through Saturday. With the erosion of clouds throughout the day, high temperatures will be pleasant in the low to mid 80s. Lows tonight in the low to mid 60s is a good start to fall given the cooler nights. High temperatures on Saturday will be slightly above normal, ranging from 84 to 89 degrees under mostly sunny skies. A HIGH rip current risk is still in effect for today, but might be dropped down to a MODERATE risk later today given the light northerly winds, followed by a LOW risk tonight and Saturday. BB/03 /22

SHORT TERM /Saturday night Through Sunday night/ . Weak ridging in the mid and upper levels remains draped across the southeastern Gulf and western Atlantic this weekend. Meanwhile, a mid to upper level low in the southern stream continues to lift to northeast out of the ArkLaTex region before opening up into a wave on Sunday as it moves into the Mid South. This pattern will keep a moist, southwesterly flow in the mid and upper levels through the short term. In the low levels, weak ridging to our northeast will keep southerly surface winds locked in place on Sunday. A plume of moisture will stream into the eastern half of the area by Sunday afternoon with forecast soundings showing PWATs rebounding to 2.0-2.3 inches. Bulk shear increases to 40-45 knots with SBCAPE of 2000+ J/kg by Saturday afternoon across parts of southern Alabama and northwest Florida. Forecast soundings across southwest Alabama (along and just west of I-65) show some dry air in the mid-levels in conjunction with the aforementioned CAPE and shear, which will likely be the favored area for a few strong storms with gusty winds by late Saturday afternoon. Showers will linger into the evening on Sunday to the east of I-65 before transitioning to the coast and Gulf waters overnight.

Cloud cover in the morning hours on Sunday may delay the warm-up across the eastern half of the area. Expect temperatures to rise into the mid to low 80s east of I-65 with mid to upper 80s west of I- 65 by Sunday afternoon. Overnight lows will dip into the 60s inland with 70s along the coast each night. No heat stress concerns are anticipated as the heat index remains generally below or around 90°.

Risk for rip currents remains low on Sunday. 07/mb

EXTENDED TERM /Monday Through Thursday/ . A large upper trof centered over the central states amplifies substantially while advancing into the eastern states through Tuesday/Wednesday with a closed upper low forming within the upper trof pattern over the Great Lakes region/Canada. While there is good agreement on this larger scale evolution, less confidence exists with whether or not an unusual secondary upper low progresses across the northern Gulf coast states Tuesday night into Wednesday evening timeframe. This uncertainty affects the timing of a strong cold front set to move through the forecast area which will usher in the coldest air of the early Fall season. This could occur as early as Monday afternoon into Monday evening (preferred WPC solution and used for this forecast), or in the case of the secondary upper low formation, later from late Monday night into Tuesday morning. There does seem to be some support for stronger storms with the slower frontal passage/secondary upper low solution which will need to be monitored in case this turns out to be the more probable scenario. Will continue with chance to good chance pops for Monday into Monday night as the front approaches and moves through, with small pops continuing Tuesday morning due to layer lift in the wake of the front. Dry conditions follow for Tuesday afternoon through Thursday as the cooler and drier air flows into the region following the frontal passage. Highs in the lower to mid 80s on Monday will be followed by higher in the mid to upper 70s for Tuesday through Thursday. Lows Monday night range from the mid 50s to lower 60s west of I-65 with lower to mid 60s east of I-65. Lows Tuesday night and Wednesday night will be mostly in the mid 50s inland with lower 60s at the immediate coast. /29

MARINE . Moderate to strong westerly winds will set up Monday night ahead of a strong cold front approaching the area, then shift to the north on Tuesday as the front slips through. Seas subside today through the weekend before building again in the wake of the cold front next week. /22

MOB WATCHES/WARNINGS/ADVISORIES. AL . High Rip Current Risk until 6 PM CDT this evening for ALZ265-266.

FL . High Rip Current Risk until 6 PM CDT this evening for FLZ202-204- 206.

MS . None. GM . None.

This product is also available on the web at: http://weather.gov/mob


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
DPIA1 - Dauphin Island, AL 0 mi134 min N 8.9 G 9.9 71°F 1012.8 hPa (+0.3)
FMOA1 - 8734673 - Fort Morgan, AL 3 mi62 min N 9.9 G 12 72°F 1013.7 hPa
MBLA1 - Middle Bay Light, AL 13 mi44 min NW 8.9 71°F 1013.5 hPa
BSCA1 - Bon Secour, AL 14 mi104 min N 6 72°F 1013.2 hPa
WBYA1 18 mi56 min 79°F
WKXA1 - Weeks Bay Reserve, AL 18 mi89 min 70°F 1013 hPa69°F
MBPA1 19 mi56 min 69°F 69°F
GDXM6 - Grand Bay Reserve, MS 20 mi149 min N 2.9 70°F 1014 hPa68°F
PTBM6 - 8741003 - Petit Bois Island, MS 23 mi56 min N 7 G 8.9 71°F 1013.9 hPa
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 27 mi62 min 76°F
MCGA1 - 8736897 - Coast Guard Sector Mobile, AL 28 mi56 min NW 1.9 G 2.9 76°F1014.2 hPa
PTOA1 29 mi56 min 70°F 67°F
MHPA1 - Meaher Park, AL 30 mi44 min NNW 1.9 70°F 1014.2 hPa
42012 - Orange Beach AL Buoy 31 mi44 min N 7.8 G 9.7 75°F 80°F1013.7 hPa
OBLA1 - 8737048 - Mobile State Docks, AL 32 mi56 min 79°F
PCLF1 - 8729840 - Pensacola, FL 47 mi56 min N 2.9 G 6 73°F 75°F1013.6 hPa

Wind History for Dauphin Island, AL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sonny Callahan Airport, AL18 mi39 minN 010.00 miOvercast68°F64°F88%1014.2 hPa

Link to 5 minute data for KCQF

Wind History from CQF (wind in knots)
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Tide / Current Tables for Dauphin Island, Alabama
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Dauphin Island
Click for Map
Fri -- 12:46 AM CDT     Moonset
Fri -- 05:09 AM CDT     1.76 feet High Tide
Fri -- 06:42 AM CDT     Sunrise
Fri -- 03:20 PM CDT     Moonrise
Fri -- 05:31 PM CDT     0.17 feet Low Tide
Fri -- 06:44 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.11.31.51.61.71.81.71.71.51.41.210.80.60.40.30.20.20.20.20.30.40.60.7

Tide / Current Tables for Mobile Bay Entrance, Alabama Current
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Mobile Bay Entrance
Click for Map
Fri -- 12:06 AM CDT     2.12 knots Max Flood
Fri -- 12:46 AM CDT     Moonset
Fri -- 06:23 AM CDT     -0.00 knots Slack
Fri -- 06:42 AM CDT     Sunrise
Fri -- 12:27 PM CDT     -2.16 knots Max Ebb
Fri -- 03:20 PM CDT     Moonrise
Fri -- 06:44 PM CDT     Sunset
Fri -- 06:44 PM CDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.12.11.91.61.20.70.2-0.3-0.9-1.3-1.7-2-2.1-2.1-2-1.7-1.3-0.9-0.40.10.611.41.7

Weather Map
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wmap_A
GEOS Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Mobile, AL
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weather_mapweather_map weather_map

Gulf Stream Current



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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.