20 (金)	06:54	00:38	19:05	12:45
	193cm	5cm	206cm	20cm
中潮 出 06:21 入 17:27 出 07:38 入 20:23 潮干狩り ◎ 11:15～14:16

姉崎（千葉）2026年02月20日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
2/20 00:00	9.5	↓-3.0
2/20 00:10	7.1	↓-2.4
2/20 00:20	5.5	↓-1.6
2/20 00:30	4.7	↓-0.8	干潮
2/20 00:40	4.5	↓-0.2
2/20 00:50	5.2	↑0.7
2/20 01:00	6.5	↑1.3
2/20 01:10	8.5	↑2.0
2/20 01:20	11.3	↑2.8
2/20 01:30	14.6	↑3.3
2/20 01:40	18.6	↑4.0
2/20 01:50	23.2	↑4.6
2/20 02:00	28.2	↑5.0
2/20 02:10	33.8	↑5.6
2/20 02:20	39.9	↑6.1
2/20 02:30	46.3	↑6.4
2/20 02:40	53.1	↑6.8
2/20 02:50	60.1	↑7.0
2/20 03:00	67.5	↑7.4
2/20 03:10	75.0	↑7.5
2/20 03:20	82.6	↑7.6
2/20 03:30	90.3	↑7.7
2/20 03:40	98.1	↑7.8
2/20 03:50	105.8	↑7.7
2/20 04:00	113.5	↑7.7
2/20 04:10	121.0	↑7.5
2/20 04:20	128.4	↑7.4
2/20 04:30	135.6	↑7.2
2/20 04:40	142.5	↑6.9
2/20 04:50	149.1	↑6.6
2/20 05:00	155.4	↑6.3
2/20 05:10	161.2	↑5.8
2/20 05:20	166.7	↑5.5
2/20 05:30	171.7	↑5.0
2/20 05:40	176.3	↑4.6
2/20 05:50	180.3	↑4.0
2/20 06:00	183.8	↑3.5
2/20 06:10	186.7	↑2.9
2/20 06:20	189.1	↑2.4
2/20 06:30	190.8	↑1.7
2/20 06:40	191.9	↑1.1
2/20 06:50	192.4	↑0.5	満潮
2/20 07:00	192.3	↓-0.1
2/20 07:10	191.5	↓-0.8
2/20 07:20	190.1	↓-1.4
2/20 07:30	188.0	↓-2.1
2/20 07:40	185.3	↓-2.7
2/20 07:50	182.0	↓-3.3
2/20 08:00	178.1	↓-3.9
2/20 08:10	173.7	↓-4.4
2/20 08:20	168.7	↓-5.0
2/20 08:30	163.2	↓-5.5
2/20 08:40	157.2	↓-6.0
2/20 08:50	150.8	↓-6.4
2/20 09:00	144.1	↓-6.7
2/20 09:10	137.0	↓-7.1
2/20 09:20	129.7	↓-7.3
2/20 09:30	122.1	↓-7.6
2/20 09:40	114.4	↓-7.7
2/20 09:50	106.6	↓-7.8
2/20 10:00	98.8	↓-7.8
2/20 10:10	91.1	↓-7.7
2/20 10:20	83.4	↓-7.7
2/20 10:30	76.0	↓-7.4
2/20 10:40	68.8	↓-7.2
2/20 10:50	61.8	↓-7.0
2/20 11:00	55.3	↓-6.5
2/20 11:10	49.2	↓-6.1
2/20 11:20	43.5	↓-5.7
2/20 11:30	38.3	↓-5.2
2/20 11:40	33.7	↓-4.6
2/20 11:50	29.7	↓-4.0
2/20 12:00	26.4	↓-3.3
2/20 12:10	23.7	↓-2.7
2/20 12:20	21.6	↓-2.1
2/20 12:30	20.3	↓-1.3
2/20 12:40	19.6	↓-0.7	干潮
2/20 12:50	19.7	↑0.1
2/20 13:00	20.4	↑0.7
2/20 13:10	21.8	↑1.4
2/20 13:20	23.9	↑2.1
2/20 13:30	26.6	↑2.7
2/20 13:40	30.0	↑3.4
2/20 13:50	33.9	↑3.9
2/20 14:00	38.4	↑4.5
2/20 14:10	43.4	↑5.0
2/20 14:20	48.9	↑5.5
2/20 14:30	54.8	↑5.9
2/20 14:40	61.1	↑6.3
2/20 14:50	67.8	↑6.7
2/20 15:00	74.7	↑6.9
2/20 15:10	81.9	↑7.2
2/20 15:20	89.2	↑7.3
2/20 15:30	96.7	↑7.5
2/20 15:40	104.2	↑7.5
2/20 15:50	111.8	↑7.6
2/20 16:00	119.4	↑7.6
2/20 16:10	127.0	↑7.6
2/20 16:20	134.4	↑7.4
2/20 16:30	141.6	↑7.2
2/20 16:40	148.7	↑7.1
2/20 16:50	155.5	↑6.8
2/20 17:00	162.0	↑6.5
2/20 17:10	168.2	↑6.2
2/20 17:20	174.1	↑5.9
2/20 17:30	179.5	↑5.4
2/20 17:40	184.5	↑5.0
2/20 17:50	189.1	↑4.6
2/20 18:00	193.1	↑4.0
2/20 18:10	196.6	↑3.5
2/20 18:20	199.6	↑3.0
2/20 18:30	202.0	↑2.4
2/20 18:40	203.8	↑1.8
2/20 18:50	205.0	↑1.2
2/20 19:00	205.6	↑0.6	満潮
2/20 19:10	205.5	↓-0.1
2/20 19:20	204.8	↓-0.7
2/20 19:30	203.5	↓-1.3
2/20 19:40	201.6	↓-1.9
2/20 19:50	199.0	↓-2.6
2/20 20:00	195.8	↓-3.2
2/20 20:10	192.0	↓-3.8
2/20 20:20	187.6	↓-4.4
2/20 20:30	182.7	↓-4.9
2/20 20:40	177.3	↓-5.4
2/20 20:50	171.3	↓-6.0
2/20 21:00	165.0	↓-6.3
2/20 21:10	158.2	↓-6.8
2/20 21:20	151.1	↓-7.1
2/20 21:30	143.8	↓-7.3
2/20 21:40	136.1	↓-7.7
2/20 21:50	128.3	↓-7.8
2/20 22:00	120.4	↓-7.9
2/20 22:10	112.4	↓-8.0	最大潮位差
2/20 22:20	104.5	↓-7.9
2/20 22:30	96.6	↓-7.9
2/20 22:40	88.8	↓-7.8
2/20 22:50	81.3	↓-7.5
2/20 23:00	74.0	↓-7.3
2/20 23:10	67.0	↓-7.0
2/20 23:20	60.4	↓-6.6
2/20 23:30	54.2	↓-6.2
2/20 23:40	48.6	↓-5.6
2/20 23:50	43.4	↓-5.2