20 (金)	06:50	00:33	18:54	12:53
	169cm	21cm	164cm	39cm
中潮 出 06:23 入 17:29 出 07:40 入 20:25 潮干狩り ○ 12:12～13:32

第一海堡（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	23.0	↓-1.9
2/20 00:10	21.6	↓-1.4
2/20 00:20	20.7	↓-0.9
2/20 00:30	20.3	↓-0.4	干潮
2/20 00:40	20.4	↑0.1
2/20 00:50	21.1	↑0.7
2/20 01:00	22.3	↑1.2
2/20 01:10	23.9	↑1.6
2/20 01:20	26.1	↑2.2
2/20 01:30	28.7	↑2.6
2/20 01:40	31.9	↑3.2
2/20 01:50	35.4	↑3.5
2/20 02:00	39.4	↑4.0
2/20 02:10	43.7	↑4.3
2/20 02:20	48.4	↑4.7
2/20 02:30	53.4	↑5.0
2/20 02:40	58.7	↑5.3
2/20 02:50	64.3	↑5.6
2/20 03:00	70.0	↑5.7
2/20 03:10	76.0	↑6.0
2/20 03:20	82.0	↑6.0
2/20 03:30	88.2	↑6.2	最大潮位差
2/20 03:40	94.3	↑6.1
2/20 03:50	100.5	↑6.2	最大潮位差
2/20 04:00	106.6	↑6.1
2/20 04:10	112.7	↑6.1
2/20 04:20	118.6	↑5.9
2/20 04:30	124.3	↑5.7
2/20 04:40	129.8	↑5.5
2/20 04:50	135.1	↑5.3
2/20 05:00	140.1	↑5.0
2/20 05:10	144.7	↑4.6
2/20 05:20	149.1	↑4.4
2/20 05:30	153.0	↑3.9
2/20 05:40	156.5	↑3.5
2/20 05:50	159.6	↑3.1
2/20 06:00	162.2	↑2.6
2/20 06:10	164.4	↑2.2
2/20 06:20	166.1	↑1.7
2/20 06:30	167.3	↑1.2
2/20 06:40	168.0	↑0.7	満潮
2/20 06:50	168.2	↑0.2	満潮
2/20 07:00	167.9	↓-0.3
2/20 07:10	167.1	↓-0.8
2/20 07:20	165.8	↓-1.3
2/20 07:30	164.0	↓-1.8
2/20 07:40	161.8	↓-2.2
2/20 07:50	159.1	↓-2.7
2/20 08:00	156.0	↓-3.1
2/20 08:10	152.5	↓-3.5
2/20 08:20	148.7	↓-3.8
2/20 08:30	144.5	↓-4.2
2/20 08:40	140.0	↓-4.5
2/20 08:50	135.2	↓-4.8
2/20 09:00	130.2	↓-5.0
2/20 09:10	125.0	↓-5.2
2/20 09:20	119.6	↓-5.4
2/20 09:30	114.1	↓-5.5
2/20 09:40	108.6	↓-5.5
2/20 09:50	103.0	↓-5.6
2/20 10:00	97.4	↓-5.6
2/20 10:10	91.8	↓-5.6
2/20 10:20	86.4	↓-5.4
2/20 10:30	81.1	↓-5.3
2/20 10:40	75.9	↓-5.2
2/20 10:50	71.0	↓-4.9
2/20 11:00	66.2	↓-4.8
2/20 11:10	61.8	↓-4.4
2/20 11:20	57.7	↓-4.1
2/20 11:30	53.9	↓-3.8
2/20 11:40	50.5	↓-3.4
2/20 11:50	47.5	↓-3.0
2/20 12:00	44.9	↓-2.6
2/20 12:10	42.7	↓-2.2
2/20 12:20	41.0	↓-1.7
2/20 12:30	39.8	↓-1.2
2/20 12:40	39.0	↓-0.8
2/20 12:50	38.7	↓-0.3	干潮
2/20 13:00	38.8	↑0.1
2/20 13:10	39.5	↑0.7
2/20 13:20	40.6	↑1.1
2/20 13:30	42.1	↑1.5
2/20 13:40	44.1	↑2.0
2/20 13:50	46.6	↑2.5
2/20 14:00	49.4	↑2.8
2/20 14:10	52.6	↑3.2
2/20 14:20	56.3	↑3.7
2/20 14:30	60.2	↑3.9
2/20 14:40	64.4	↑4.2
2/20 14:50	69.0	↑4.6
2/20 15:00	73.7	↑4.7
2/20 15:10	78.7	↑5.0
2/20 15:20	83.9	↑5.2
2/20 15:30	89.1	↑5.2
2/20 15:40	94.5	↑5.4
2/20 15:50	99.9	↑5.4
2/20 16:00	105.3	↑5.4
2/20 16:10	110.7	↑5.4
2/20 16:20	116.0	↑5.3
2/20 16:30	121.2	↑5.2
2/20 16:40	126.2	↑5.0
2/20 16:50	131.1	↑4.9
2/20 17:00	135.7	↑4.6
2/20 17:10	140.1	↑4.4
2/20 17:20	144.2	↑4.1
2/20 17:30	147.9	↑3.7
2/20 17:40	151.3	↑3.4
2/20 17:50	154.4	↑3.1
2/20 18:00	157.0	↑2.6
2/20 18:10	159.2	↑2.2
2/20 18:20	161.0	↑1.8
2/20 18:30	162.3	↑1.3
2/20 18:40	163.1	↑0.8
2/20 18:50	163.5	↑0.4	満潮
2/20 19:00	163.4	↓-0.1
2/20 19:10	162.9	↓-0.5
2/20 19:20	161.9	↓-1.0
2/20 19:30	160.4	↓-1.5
2/20 19:40	158.5	↓-1.9
2/20 19:50	156.1	↓-2.4
2/20 20:00	153.3	↓-2.8
2/20 20:10	150.1	↓-3.2
2/20 20:20	146.6	↓-3.5
2/20 20:30	142.7	↓-3.9
2/20 20:40	138.5	↓-4.2
2/20 20:50	133.9	↓-4.6
2/20 21:00	129.2	↓-4.7
2/20 21:10	124.2	↓-5.0
2/20 21:20	119.0	↓-5.2
2/20 21:30	113.7	↓-5.3
2/20 21:40	108.2	↓-5.5
2/20 21:50	102.7	↓-5.5
2/20 22:00	97.2	↓-5.5
2/20 22:10	91.7	↓-5.5
2/20 22:20	86.2	↓-5.5
2/20 22:30	80.8	↓-5.4
2/20 22:40	75.6	↓-5.2
2/20 22:50	70.5	↓-5.1
2/20 23:00	65.6	↓-4.9
2/20 23:10	61.0	↓-4.6
2/20 23:20	56.7	↓-4.3
2/20 23:30	52.6	↓-4.1
2/20 23:40	48.9	↓-3.7
2/20 23:50	45.6	↓-3.3