Coastal Flood Warning
Starts in 22 h 50 min
When
From 5 AM Sunday to 1 PM PDT Thursday during high tides.
Where
San Diego County Coastal Areas and Orange County Coastal Areas.
Issued for this forecast zone · National Weather Service San Diego CA
What, impacts and precautionsHide details
What
Significant coastal flooding expected.
Impacts
Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur in the morning hours.
Additional details
Coastal residents in the warned area should be alert for rising water and take appropriate action to protect life and property. High tides each day will occur in the morning. Tides may be anywhere from 1 to 1.7 feet above predicted.
Precautionary actions
Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.
Areas: San Diego County Coastal Areas; Orange County Coastal
See it on weather.gov (opens in a new tab)

Observed 4:55 AM PDT at KSLI

Seal Beach, CA weather

Coastal Flood Warning. 58°15° and clear now.

Mostly agree

Now 58°15°

Clear

Wind: 7 mph11 km/h; From the east-northeast. Up to 10 mph16 km/h through 6 PM
Dew point: 55°13°; Comfortable
UV index: 0Low; Moderate 11 AM–4 PM · peak 5
Air quality: 31Good; Main pollutant: PM2.5 (fine particles)
Pressure: 29.87 inHg1012 hPa; Rising slowly · +0.03 inHg+1.0 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

3°2° cooler than this time yesterday (62°16° then, 58°15° now)

Good hours for

Above 70°21° today by 11 AM
High 75°24° today at 1 PM
Below 70°21° tonight after 9 PM

This morningUp to 72°22° by 11 AM · Clear
This afternoonNear 75°24° · Clear
TonightDown to 60°16° by 4 AM · Clear
Tomorrow morningUp to 74°23° by 11 AM · Clear
Tomorrow afternoonNear 77°25° · Clear
Tomorrow nightDown to 64°18° by 5 AM · Partly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 6a	Clear	57°14° (likely 53°12° to 59°15°)	57°14°	0%	0 mph0 km/h, gusts 6 mph9 km/h	100%	1%	0
Sat 7a	Sunny	57°14° (likely 52°11° to 59°15°)	57°14°	0%	0 mph0 km/h, gusts 6 mph9 km/h	99%	2%	0
Sat 8a	Sunny	60°16° (likely 53°12° to 60°16°)	60°16°	0%	0 mph0 km/h, gusts 6 mph10 km/h	93%	3%	0
Sat 9a	Sunny	65°18° (likely 59°15° to 66°19°)	65°18°	0%	0 mph0 km/h, gusts 5 mph7 km/h	80%	5%	1
Sat 10a	Sunny	69°21° (likely 65°18° to 71°22°)	69°21°	0%	0 mph0 km/h, gusts 4 mph6 km/h	69%	4%	2
Sat 11a	Sunny	72°22° (likely 69°21° to 73°23°)	72°22°	0%	5 mph8 km/h from SW, gusts 5 mph8 km/h	62%	3%	4
Sat 12p	Sunny	74°23° (likely 72°22° to 75°24°)	74°23°	0%	5 mph8 km/h from SW, gusts 6 mph10 km/h	59%	1%	5
Sat 1p	Sunny	75°24° (likely 74°23° to 76°24°)	75°24°	0%	5 mph8 km/h from SW, gusts 9 mph14 km/h	57%	1%	5
Sat 2p	Sunny	75°24° (likely 74°23° to 76°24°)	75°24°	0%	10 mph16 km/h from SW, gusts 10 mph17 km/h	56%	1%	5
Sat 3p	Sunny	75°24° (likely 74°23° to 77°25°)	75°24°	0%	10 mph16 km/h from SW, gusts 11 mph18 km/h	58%	1%	3
Sat 4p	Sunny	75°24° (likely 73°23° to 76°24°)	75°24°	0%	10 mph16 km/h from SW, gusts 13 mph21 km/h	56%	1%	2
Sat 5p	Sunny	75°24° (likely 72°22° to 75°24°)	75°24°	0%	10 mph16 km/h from SW, gusts 14 mph23 km/h	56%	0%	2
Sat 6p	Clear	73°23° (likely 69°21° to 73°23°)	73°23°	0%	10 mph16 km/h from W, gusts 12 mph19 km/h	61%	0%	0
Sat 7p	Clear	71°22° (likely 66°19° to 71°22°)	71°22°	0%	5 mph8 km/h from W, gusts 10 mph16 km/h	63%	0%	0
Sat 8p	Clear	70°21° (likely 64°18° to 70°21°)	70°21°	0%	5 mph8 km/h from SW, gusts 5 mph9 km/h	68%	0%	0
Sat 9p	Clear	68°20° (likely 62°17° to 68°20°)	68°20°	0%	0 mph0 km/h, gusts 4 mph7 km/h	71%	0%	0
Sat 10p	Clear	67°19° (likely 60°16° to 67°19°)	67°19°	0%	0 mph0 km/h, gusts 3 mph5 km/h	72%	0%	0
Sat 11p	Clear	66°19° (likely 59°15° to 66°19°)	66°19°	0%	5 mph8 km/h from E, gusts 4 mph7 km/h	76%	0%	0
Sun 12a	Clear	65°18° (likely 58°14° to 65°18°)	65°18°	0%	5 mph8 km/h from E, gusts 5 mph8 km/h	81%	1%	0
Sun 1a	Clear	64°18° (likely 57°14° to 64°18°)	64°18°	0%	5 mph8 km/h from E, gusts 5 mph8 km/h	83%	2%	0
Sun 2a	Clear	62°17° (likely 56°13° to 63°17°)	63°17°	0%	5 mph8 km/h from SE, gusts 6 mph9 km/h	86%	3%	0
Sun 3a	Clear	61°16° (likely 55°13° to 62°17°)	61°16°	0%	5 mph8 km/h from E, gusts 6 mph10 km/h	88%	2%	0
Sun 4a	Clear	60°16° (likely 55°13° to 61°16°)	61°16°	0%	5 mph8 km/h from E, gusts 7 mph12 km/h	89%	6%	0
Sun 5a	Clear	60°16° (likely 55°13° to 61°16°)	60°16°	0%	5 mph8 km/h from E, gusts 8 mph13 km/h	88%	6%	0
Sun 6a	Clear	60°16° (likely 54°12° to 60°16°)	60°16°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	87%	4%	0
Sun 7a	Sunny	59°15° (likely 54°12° to 60°16°)	59°15°	0%	5 mph8 km/h from NE, gusts 7 mph11 km/h	88%	0%	0
Sun 8a	Sunny	62°17° (likely 56°13° to 62°17°)	62°17°	0%	0 mph0 km/h, gusts 7 mph11 km/h	82%	0%	0
Sun 9a	Sunny	67°19° (likely 62°17° to 67°19°)	67°19°	0%	0 mph0 km/h, gusts 7 mph11 km/h	69%	2%	1
Sun 10a	Sunny	71°22° (likely 68°20° to 72°22°)	71°22°	0%	0 mph0 km/h, gusts 5 mph7 km/h	61%	2%	3
Sun 11a	Sunny	74°23° (likely 72°22° to 75°24°)	74°23°	0%	5 mph8 km/h from SW, gusts 4 mph6 km/h	55%	2%	4
Sun 12p	Sunny	76°24° (likely 74°23° to 76°24°)	76°24°	0%	5 mph8 km/h from SW, gusts 7 mph11 km/h	53%	2%	5
Sun 1p	Sunny	77°25° (likely 76°24° to 77°25°)	77°25°	0%	5 mph8 km/h from SW, gusts 8 mph12 km/h	51%	0%	5
Sun 2p	Sunny	77°25° (likely 76°24° to 77°25°)	77°25°	0%	5 mph8 km/h from SW, gusts 9 mph15 km/h	52%	21%	5
Sun 3p	Sunny	78°26° (likely 76°24° to 78°26°)	78°26°	0%	5 mph8 km/h from SW, gusts 10 mph17 km/h	50%	40%	4
Sun 4p	Sunny	78°26° (likely 75°24° to 78°26°)	78°26°	0%	5 mph8 km/h from SW, gusts 11 mph18 km/h	50%	40%	3
Sun 5p	Sunny	78°26° (likely 73°23° to 78°26°)	78°26°	0%	5 mph8 km/h from SW, gusts 12 mph19 km/h	50%	41%	1
Sun 6p	Partly cloudy	76°24° (likely 70°21° to 76°24°)	76°24°	0%	0 mph0 km/h, gusts 10 mph17 km/h	54%	47%	0
Sun 7p	Partly cloudy	76°24° (likely 67°19° to 76°24°)	76°24°	0%	0 mph0 km/h, gusts 10 mph16 km/h	54%	60%	0
Sun 8p	Cloudy	72°22° (likely 64°18° to 72°22°)	72°22°	0%	0 mph0 km/h, gusts 9 mph15 km/h	62%	66%	0
Sun 9p	Partly cloudy	74°23° (likely 62°17° to 74°23°)	74°23°	0%	0 mph0 km/h, gusts 8 mph13 km/h	57%	53%	0
Sun 10p	Partly cloudy	73°23° (likely 60°16° to 73°23°)	73°23°	0%	0 mph0 km/h, gusts 8 mph13 km/h	59%	70%	0
Sun 11p	Clear	69°21° (likely 58°14° to 69°21°)	69°21°	0%	0 mph0 km/h, gusts 7 mph11 km/h	67%	41%	0
Mon 12a	Mostly clear	72°22° (likely 53°12° to 72°22°)	72°22°	0%	0 mph0 km/h, gusts 4 mph6 km/h	62%	46%	0
Mon 1a	Mostly clear	71°22° (likely 52°11° to 71°22°)	71°22°	0%	0 mph0 km/h, gusts 3 mph5 km/h	64%	14%	0
Mon 2a	Clear	66°19° (likely 50°10° to 70°21°)	66°19°	0%	0 mph0 km/h, gusts 3 mph5 km/h	75%	6%	0
Mon 3a	Mostly clear	71°22° (likely 49°9° to 71°22°)	71°22°	0%	0 mph0 km/h, gusts 3 mph4 km/h	62%	25%	0
Mon 4a	Mostly clear	70°21° (likely 48°9° to 70°21°)	71°22°	0%	0 mph0 km/h, gusts 3 mph4 km/h	61%	12%	0
Mon 5a	Partly cloudy	64°18° (likely 47°8° to 69°21°)	64°18°	0%	0 mph0 km/h, gusts 3 mph5 km/h	73%	16%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Mostly sunny. High 76°24°, low 59°15°. Typical 77°25° / 57°14°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 60°16°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 70°21°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 60°16°
  Dry
Official NWS forecast
Today: Sunny, with a high near 76. South wind 0 to 10 mph, with gusts as high as 20 mph.
Tonight: Mostly clear, with a low around 59. Southeast wind 0 to 10 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–77°25°
Low, likely
52°11°–59°15°
Typical high / low
77°25° / 57°14°
Wind
11 mph17 km/h, gusts 16 mph26 km/h
UV peak
5
Tomorrow, Oct 25. Cloudy. High 78°26°, low 61°16°. Typical 77°25° / 57°14°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 62°17°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 78°26°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 72°22°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 64°18°
  Dry
Official NWS forecast
Day: Sunny, with a high near 78. South wind 0 to 5 mph.
Night: Partly cloudy, with a low around 61. Northwest wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
76°24°–78°26°
Low, likely
54°12°–61°16°
Typical high / low
77°25° / 57°14°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
5
Monday, Oct 26. Mostly sunny. High 79°26°, low 60°16°. Typical 76°24° / 57°14°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 59°15°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 78°26°
  Dry
3. Evening
  6 PM–midnight
  Clear, 67°20°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 58°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 79. Northwest wind 0 to 10 mph, with gusts as high as 20 mph.
Night: Mostly clear, with a low around 60.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
77°25°–79°26°
Low, likely
50°10°–65°18°
Typical high / low
76°24° / 57°14°
Wind
11 mph18 km/h, gusts 17 mph27 km/h
UV peak
5
Tuesday, Oct 27. Partly sunny. High 77°25°, low 60°16°. Typical 76°24° / 57°14°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 59°15°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 67°19°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 60°16°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 77.
Night: Partly cloudy, with a low around 60.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
73°23°–77°25°
Low, likely
50°10°–64°18°
Typical high / low
76°24° / 57°14°
Wind
10 mph16 km/h, gusts 15 mph24 km/h
UV peak
5
Wednesday, Oct 28. Mostly cloudy. High 75°24°, low 60°16°. Typical 76°24° / 56°13°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 59°15°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 66°19°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 62°17°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 75.
Night: Mostly cloudy, with a low around 60.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
72°22°–75°24°
Low, likely
55°13°–63°17°
Typical high / low
76°24° / 56°13°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
5
Thursday, Oct 29. Cloudy. High 71°22°, low 59°15°. Typical 76°24° / 56°13°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 63°17°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 67°19°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 63°17°
  20% chance · 0.02 in0.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 5pm. Partly sunny, with a high near 71.
Night: A chance of rain showers. Mostly cloudy, with a low around 59.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
70°21°–72°22°
Low, likely
58°14°–65°18°
Typical high / low
76°24° / 56°13°
Wind
9 mph14 km/h, gusts 19 mph30 km/h
UV peak
4
Friday, Oct 30. Showers. High 70°21°, low 58°14°. Typical 76°24° / 56°13°. Rain 0.08 in2 mm, 30% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 63°17°
  20% chance
2. Afternoon
  noon–6 PM
  Drizzle, 69°20°
  20% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 66°19°
  20% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Drizzle, 62°16°
  30% chance · 0.03 in0.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 70.
Night: A chance of rain showers. Mostly cloudy, with a low around 58.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–70°21°
Low, likely
58°14°–65°18°
Typical high / low
76°24° / 56°13°
Wind
10 mph17 km/h
UV peak
3
Saturday, Oct 31. Drizzle. High 69°21°, low 60°16°. Typical 76°24° / 56°13°. Rain 0.09 in2.3 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 62°17°
  30% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  30% chance
3. Evening
  6 PM–midnight
  Clear, 65°18°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  40% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–72°22°
Low, likely
56°13°–64°18°
Typical high / low
76°24° / 56°13°
Wind
8 mph13 km/h, gusts 19 mph31 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 73°23°, low 57°14°. Typical 76°24° / 56°13°. Rain 0.07 in1.8 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 60°15°
  40% chance
2. Afternoon
  noon–6 PM
  Cloudy, 75°24°
  30% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Cloudy, 68°20°
  30% chance
4. Overnight
  midnight–6 AM
  Clear, 58°15°
  30% chance · 0.12 in2.9 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
68°20°–80°27°
Low, likely
50°10°–65°18°
Typical high / low
76°24° / 56°13°
Wind
9 mph15 km/h, gusts 20 mph32 km/h
UV peak
4
Monday, Nov 2. Showers. High 71°22°, low 57°14°. Typical 76°24° / 55°13°. Rain 0.52 in13 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 62°16°
  30% chance · 0.31 in7.8 mm
2. Afternoon
  noon–6 PM
  Drizzle, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 63°17°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–76°24°
Low, likely
53°12°–63°17°
Typical high / low
76°24° / 55°13°
Wind
17 mph27 km/h, gusts 24 mph39 km/h
UV peak
1

10 days15 days30 days

The outlook

Today
Dry, high 76°, low 59°.
Tomorrow
Dry, high 78°, low 61°.
Monday
Dry, high 79°, low 60°.
Rest of week
Mostly dry, highs 69–77°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (SGX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Los Angeles River below Wardlow Road

8.8 mi

Level: 0.4 ft

Reading from Sat 4 AM · NWS gauge page

Santa Ana River at Santa Ana

9.4 mi

Below flood stage

Level: 2.3 ft
Flow: 102 cfs

Reading from Sat 4:45 AM · NWS gauge page

Compton Creek at Greenleaf

12 mi

Level: 14.7 ft

Reading from Sat 4:30 AM · NWS gauge page

Los Angeles River at Firestone

15 mi

Below flood stage

Level: 2.0 ft

Reading from Sat 4:15 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Cooling this week

About 9% more cooling than a typical week.

This week 11Typical 10

Cooling degree days, base 65°F

Comfort

Dry air outside (dew point 55°F).

Open the windows?

Today, 8:00 AM–6:00 AM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Long Beach Daugherty Airport · official normals 1991–2020 · records 1958–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

On average 3°2° warmer than normal (daily mean temperature).

+6°+3°SunOct 18
+6°+3°MonOct 19
+4°+2°TueOct 20
+3°+1°WedOct 21
−1°ThuOct 22
—FriOct 23
—SatOct 24

Seal Beach weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 11 h 3 min; Losing 1 min 53 s a day; shortest Dec 21, 1 h 9 min less
Golden hour: 5:33–6:23 PM; Morning 6:49–7:38 AM
Blue hour: 6:23–6:33 PM; Morning 6:39–6:49 AM; first light 6:39 AM

Stars tonight? Unknown

Cloud forecast not available for tonight.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:27 AM · rises 5:06 PM
Full moon: Oct 25
New moon: Nov 8

Looking northeast from Seal Beach. The highest point on the skyline is about 11,300 ft, 76 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

1 active weather alert

Coastal Flood Warning