Marine Weather and Tide Forecast for Lake Forest, CA

August 18, 2026 10:35 AM PDT (17:35 UTC)
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Sunrise 6:15 AM Sunset 7:33 PM
Moonrise 12:27 PM Moonset 10:48 PM

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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NOTE: Zones updated 4/16/2026. Some zones changed. Use Edit if needed.

PZZ655 Inner Waters From Point Mugu To San Mateo Pt. Ca Including Santa Catalina And Anacapa Islands- 705 Am Pdt Tue Aug 18 2026

Today - Light winds, becoming W 10 to 15 kt this afternoon. Seas 3 to 4 ft. Wave detail: W 3 ft at 8 seconds and S 2 ft at 14 seconds.

Tonight - NW wind 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave detail: W 4 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog after midnight.

Wed - Light winds, becoming W 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Wave detail: W 3 ft at 8 seconds and S 2 ft at 16 seconds.

Wed night - W wind 10 to 15 kt in the evening, becoming light. Seas 2 to 4 ft. Wave detail: W 3 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog after midnight.

Thu - Light winds, becoming sw 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave detail: W 2 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog in the morning.

Thu night - SW wind 5 to 10 kt in the evening, becoming light. Seas 2 to 3 ft. Wave detail: W 2 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog.

Fri - Light winds, becoming sw 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave detail: W 2 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.

Fri night - W wind 5 to 10 kt in the evening, becoming light. Seas 2 to 3 ft. Wave detail: W 2 ft at 8 seconds and S 2 ft at 14 seconds.

Sat - Light winds, becoming W 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave detail: W 3 ft at 8 seconds and S 2 ft at 14 seconds.

Sat night - W wind 10 to 15 kt, becoming 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave detail: W 3 ft at 8 seconds.

PZZ600 705 Am Pdt Tue Aug 18 2026

Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park - At 12z or 5 am pdt, a 1028 mb surface high was about 650 nm W of portland, while a 1006 mb thermal low was located over southern nevada. Gusty northwest winds and steep, choppy seas will affect much of the waters over the next several days.

7 Day Forecast for Marine Location Near Lake Forest, CA

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Tide / Current for Newport Beach, Newport Bay entrance, Corona del Mar, California

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Newport Beach
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Tue -- 01:38 AM PDT 3.47 feet High Tide
Tue -- 06:15 AM PDT Sunrise
Tue -- 06:51 AM PDT 2.03 feet Low Tide
Tue -- 12:27 PM PDT Moonrise
Tue -- 01:47 PM PDT 4.94 feet High Tide
Tue -- 07:33 PM PDT Sunset
Tue -- 09:19 PM PDT 1.54 feet Low Tide
Tue -- 10:49 PM PDT Moonset
Tide / Current data from XTide NOT FOR NAVIGATION

Sorry, Newport Beach, Newport Bay entrance, Corona del Mar, California does not exist in database. Press Edit above and select a valid nearby location.

Newport Beach, Newport Bay entrance, Corona del Mar, California, Tide feet

12
am

3.1

1
am

3.4

2
am

3.4

3
am

3.2

4
am

2.8

5
am

2.4

6
am

2.1

7
am

8
am

2.2

9
am

2.6

10
am

3.2

11
am

3.9

12
pm

4.5

1
pm

4.8

2
pm

4.9

3
pm

4.7

4
pm

4.2

5
pm

3.5

6
pm

2.8

7
pm

2.2

8
pm

1.7

9
pm

1.5

10
pm

1.6

11
pm

1.8

Tide / Current for Balboa Pier, Newport Beach, California

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Balboa Pier
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Tue -- 01:34 AM PDT 3.39 feet High Tide
Tue -- 06:16 AM PDT Sunrise
Tue -- 07:02 AM PDT 1.96 feet Low Tide
Tue -- 12:27 PM PDT Moonrise
Tue -- 01:43 PM PDT 4.84 feet High Tide
Tue -- 07:34 PM PDT Sunset
Tue -- 09:21 PM PDT 1.50 feet Low Tide
Tue -- 10:49 PM PDT Moonset
Tide / Current data from XTide NOT FOR NAVIGATION

Sorry, Balboa Pier, Newport Beach, California does not exist in database. Press Edit above and select a valid nearby location.

Balboa Pier, Newport Beach, California, Tide feet

12
am

3.1

1
am

3.3

2
am

3.4

3
am

3.2

4
am

2.8

5
am

2.4

6
am

2.1

7
am

8
am

2.1

9
am

2.5

10
am

3.1

11
am

3.8

12
pm

4.4

1
pm

4.8

2
pm

4.8

3
pm

4.6

4
pm

4.1

5
pm

3.5

6
pm

2.8

7
pm

2.1

8
pm

1.7

9
pm

1.5

10
pm

1.5

11
pm

1.8

Area Discussion for San Diego, CA

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FXUS66 KSGX 181145 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 445 AM PDT Tue Aug 18 2026

SYNOPSIS
High pressure to the east will slowly strengthen into the middle of this week with high temperatures for Wednesday and Thursday around 5 degrees above average for inland areas. High temperatures will cool slightly for Friday into early next week to within a few degrees of average for next Monday. Night and morning coastal low clouds will continue into next week. There is also a slight chance of afternoon showers and thunderstorms for the mountains and deserts on Thursday and Friday.

DISCUSSION
FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...

UPDATED AVIATION DISCUSSION

.SHORT TERM (Today through Thursday)...
High temperatures will continue to warm a few degrees for today and Wednesday with not much change for Thursday. High temperatures for Wednesday and Thursday will be around 5 degrees above average for inland areas with high temperatures ranging from the mid 70s to lower 80s near the coast to the mid 90s to 105 for the Inland Empire with around 110 for the lower deserts.

Monsoonal moisture will continue to gradually decrease through tonight, then increase again for late Wednesday into Thursday. A slight chance of afternoon showers and thunderstorms for the mountains and deserts will return for Thursday.

.LONG TERM (Friday through Monday)...
Higher precipitable water values will continue through Friday though slightly below the peak on Thursday. A slight chance for afternoon showers and thunderstorms for the mountains and deserts will continue on Friday with decreasing chances for the weekend into early next week.

High temperatures won't change much or cool slightly for the weekend into early next week, though with increasing spread in the high temperature guidance for next week. High temperatures on Friday will be a few to around 5 degrees above average, ranging from the mid 70s to lower 80s near the coast to the mid 90s to 102 for the Inland Empire with 106 to 110 for the lower deserts.

For Monday of next week, high temperatures will be within a few degrees of average, ranging from the mid 70s to lower 80s near the coast to the 90s to around 100 for the Inland Empire with 104 to 108 for the lower deserts.

AVIATION
181200Z
Coasts
Areas of low clouds most likely in San Diego County based around 800-1000 feet MSL. Scatter out by 16-17Z. Patchy low clouds based around 700-900 feet MSL will gradually develop after 06Z Wednesday. Scatter out Wednesday by 16Z.

Otherwise...VFR prevails with SCT high clouds AOA 15000 feet MSL decreasing during the day.

MARINE
No hazardous marine conditions are expected through Saturday.

SKYWARN
Skywarn activation is not requested. However weather spotters are encouraged to report significant weather conditions.

SGX WATCHES/WARNINGS/ADVISORIES
CA...None.
PZ...None.

Weather Reporting Stations

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Stations	Dist	Age	Wind	Air	Water	Waves	inHg	DewPt
46285	18 mi	40 min			69°F	3 ft
46277	26 mi	36 min			74°F	3 ft
PRJC1	26 mi	48 min	WSW 8G8.9
46253	27 mi	40 min			69°F	4 ft
46256	27 mi	40 min			66°F	3 ft
PFXC1	27 mi	48 min	SSW 6G7	73°F			29.97
PSXC1	28 mi	48 min	SE 5.1G6
AGXC1	29 mi	48 min	WSW 8G9.9	71°F
BAXC1	29 mi	48 min	S 1G4.1
PFDC1	29 mi	48 min	SSW 4.1G6
OHBC1 - 9410660 - Los Angeles, CA	30 mi	48 min					30.00
PXAC1	30 mi	48 min	NE 1.9G2.9
46275	31 mi	66 min		72°F	70°F	3 ft
46222 - San Pedro, CA (092)	33 mi	40 min			71°F	4 ft
46224 - Oceanside Offshore, CA (045)	39 mi	40 min			72°F	3 ft
ICAC1 - 9410840 - Santa Monica Pier	47 mi	48 min	W 5.1G5.1	69°F	71°F		30.00
46274	49 mi	40 min			68°F	3 ft

Wind History for Los Angeles Pier J, CA

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Airport Reports

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Airport	Dist	Age	Wind kt	Vis	Sky	Weather	Air	DewPt	RH	inHg
KSNA John Wayne Orange County International Airport US	9 sm	42 min	var 03	10 sm	Partly Cloudy		75°F	64°F	69%	29.98
KAJO Corona Municipal Airport US	14 sm	39 min	no data	10 sm	Clear		81°F	54°F	39%
KCNO Chino Airport US	19 sm	42 min	calm	8 sm	Partly Cloudy		84°F	52°F	33%	30.00
KFUL Fullerton Municipal Airport US	19 sm	22 min	var 03	5 sm	A Few Clouds	Haze	81°F	63°F	54%	29.97
KSLI Los Alamitos Army Air Field US	19 sm	40 min	S 05	10 sm	Partly Cloudy		79°F	64°F	61%	29.94
KRAL Riverside Municipal Airport US	21 sm	42 min	calm	10 sm	Clear		81°F	48°F	32%	29.99
KONT Ontario International Airport US	24 sm	42 min	calm	10 sm	Mostly Cloudy		82°F	52°F	35%	30.00

Link to 5 hour of 5 minute data for KSNA

Terminal Aerodrome Forecast (TAF) for KSNA

Wind History Graph: SNA

(wind in knots)

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Weather Map

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GEOS Local Image of Southwest

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Ground Weather Radar Station

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Santa Ana Mtns, CA,

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