18 (月)	05:33	11:19	17:08	23:34
	167cm	56cm	171cm	11cm
大潮 出 06:25 入 17:27 出 17:37 入 05:56

第一海堡（千葉）2030年02月18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
2/18 00:00	16.2	↑2.7
2/18 00:10	19.4	↑3.2
2/18 00:20	23.1	↑3.7
2/18 00:30	27.2	↑4.1
2/18 00:40	31.6	↑4.4
2/18 00:50	36.5	↑4.9
2/18 01:00	41.6	↑5.1
2/18 01:10	47.1	↑5.5
2/18 01:20	52.8	↑5.7
2/18 01:30	58.7	↑5.9
2/18 01:40	64.9	↑6.2
2/18 01:50	71.1	↑6.2
2/18 02:00	77.5	↑6.4
2/18 02:10	83.9	↑6.4
2/18 02:20	90.3	↑6.4
2/18 02:30	96.8	↑6.5
2/18 02:40	103.1	↑6.3
2/18 02:50	109.3	↑6.2
2/18 03:00	115.4	↑6.1
2/18 03:10	121.3	↑5.9
2/18 03:20	127.0	↑5.7
2/18 03:30	132.4	↑5.4
2/18 03:40	137.5	↑5.1
2/18 03:50	142.2	↑4.7
2/18 04:00	146.6	↑4.4
2/18 04:10	150.7	↑4.1
2/18 04:20	154.3	↑3.6
2/18 04:30	157.5	↑3.2
2/18 04:40	160.2	↑2.7
2/18 04:50	162.4	↑2.2
2/18 05:00	164.2	↑1.8
2/18 05:10	165.5	↑1.3
2/18 05:20	166.4	↑0.9
2/18 05:30	166.7	↑0.3	満潮
2/18 05:40	166.5	↓-0.2
2/18 05:50	165.9	↓-0.6
2/18 06:00	164.8	↓-1.1
2/18 06:10	163.3	↓-1.5
2/18 06:20	161.3	↓-2.0
2/18 06:30	158.9	↓-2.4
2/18 06:40	156.1	↓-2.8
2/18 06:50	152.9	↓-3.2
2/18 07:00	149.4	↓-3.5
2/18 07:10	145.6	↓-3.8
2/18 07:20	141.5	↓-4.1
2/18 07:30	137.1	↓-4.4
2/18 07:40	132.6	↓-4.5
2/18 07:50	127.8	↓-4.8
2/18 08:00	123.0	↓-4.8
2/18 08:10	118.0	↓-5.0
2/18 08:20	113.0	↓-5.0
2/18 08:30	108.0	↓-5.0
2/18 08:40	103.1	↓-4.9
2/18 08:50	98.2	↓-4.9
2/18 09:00	93.4	↓-4.8
2/18 09:10	88.7	↓-4.7
2/18 09:20	84.3	↓-4.4
2/18 09:30	80.0	↓-4.3
2/18 09:40	76.0	↓-4.0
2/18 09:50	72.3	↓-3.7
2/18 10:00	69.0	↓-3.3
2/18 10:10	65.9	↓-3.1
2/18 10:20	63.2	↓-2.7
2/18 10:30	61.0	↓-2.2
2/18 10:40	59.1	↓-1.9
2/18 10:50	57.6	↓-1.5
2/18 11:00	56.6	↓-1.0
2/18 11:10	56.1	↓-0.5	干潮
2/18 11:20	55.9	↓-0.2
2/18 11:30	56.3	↑0.4
2/18 11:40	57.0	↑0.7
2/18 11:50	58.2	↑1.2
2/18 12:00	59.9	↑1.7
2/18 12:10	62.0	↑2.1
2/18 12:20	64.4	↑2.4
2/18 12:30	67.3	↑2.9
2/18 12:40	70.5	↑3.2
2/18 12:50	74.1	↑3.6
2/18 13:00	77.9	↑3.8
2/18 13:10	82.1	↑4.2
2/18 13:20	86.5	↑4.4
2/18 13:30	91.1	↑4.6
2/18 13:40	95.9	↑4.8
2/18 13:50	100.9	↑5.0
2/18 14:00	105.9	↑5.0
2/18 14:10	111.0	↑5.1
2/18 14:20	116.1	↑5.1
2/18 14:30	121.3	↑5.2
2/18 14:40	126.3	↑5.0
2/18 14:50	131.3	↑5.0
2/18 15:00	136.1	↑4.8
2/18 15:10	140.7	↑4.6
2/18 15:20	145.1	↑4.4
2/18 15:30	149.3	↑4.2
2/18 15:40	153.1	↑3.8
2/18 15:50	156.7	↑3.6
2/18 16:00	159.9	↑3.2
2/18 16:10	162.7	↑2.8
2/18 16:20	165.1	↑2.4
2/18 16:30	167.0	↑1.9
2/18 16:40	168.5	↑1.5
2/18 16:50	169.6	↑1.1
2/18 17:00	170.2	↑0.6	満潮
2/18 17:10	170.3	↑0.1
2/18 17:20	169.8	↓-0.5
2/18 17:30	168.9	↓-0.9
2/18 17:40	167.5	↓-1.4
2/18 17:50	165.6	↓-1.9
2/18 18:00	163.3	↓-2.3
2/18 18:10	160.4	↓-2.9
2/18 18:20	157.1	↓-3.3
2/18 18:30	153.4	↓-3.7
2/18 18:40	149.2	↓-4.2
2/18 18:50	144.7	↓-4.5
2/18 19:00	139.8	↓-4.9
2/18 19:10	134.5	↓-5.3
2/18 19:20	129.0	↓-5.5
2/18 19:30	123.2	↓-5.8
2/18 19:40	117.2	↓-6.0
2/18 19:50	111.0	↓-6.2
2/18 20:00	104.6	↓-6.4
2/18 20:10	98.2	↓-6.4
2/18 20:20	91.7	↓-6.5
2/18 20:30	85.1	↓-6.6	最大潮位差
2/18 20:40	78.7	↓-6.4
2/18 20:50	72.2	↓-6.5
2/18 21:00	65.9	↓-6.3
2/18 21:10	59.8	↓-6.1
2/18 21:20	53.9	↓-5.9
2/18 21:30	48.2	↓-5.7
2/18 21:40	42.7	↓-5.5
2/18 21:50	37.6	↓-5.1
2/18 22:00	32.9	↓-4.7
2/18 22:10	28.5	↓-4.4
2/18 22:20	24.6	↓-3.9
2/18 22:30	21.1	↓-3.5
2/18 22:40	18.1	↓-3.0
2/18 22:50	15.5	↓-2.6
2/18 23:00	13.5	↓-2.0
2/18 23:10	12.0	↓-1.5
2/18 23:20	11.0	↓-1.0
2/18 23:30	10.5	↓-0.5	干潮
2/18 23:40	10.6	↑0.1
2/18 23:50	11.3	↑0.7