18 (土)	08:18	01:49	20:47	14:27
	179cm	50cm	149cm	49cm
小潮 出 06:24 入 17:25 出 09:43 入 23:20

姉崎（千葉）2040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	75.9	↓-4.6
2/18 00:10	71.5	↓-4.4
2/18 00:20	67.4	↓-4.1
2/18 00:30	63.7	↓-3.7
2/18 00:40	60.4	↓-3.3
2/18 00:50	57.5	↓-2.9
2/18 01:00	55.0	↓-2.5
2/18 01:10	53.0	↓-2.0
2/18 01:20	51.4	↓-1.6
2/18 01:30	50.3	↓-1.1
2/18 01:40	49.7	↓-0.6	干潮
2/18 01:50	49.5	↓-0.2
2/18 02:00	49.9	↑0.4
2/18 02:10	50.6	↑0.7
2/18 02:20	51.9	↑1.3
2/18 02:30	53.5	↑1.6
2/18 02:40	55.6	↑2.1
2/18 02:50	58.1	↑2.5
2/18 03:00	60.9	↑2.8
2/18 03:10	64.1	↑3.2
2/18 03:20	67.6	↑3.5
2/18 03:30	71.4	↑3.8
2/18 03:40	75.4	↑4.0
2/18 03:50	79.7	↑4.3
2/18 04:00	84.2	↑4.5
2/18 04:10	88.8	↑4.6
2/18 04:20	93.6	↑4.8
2/18 04:30	98.5	↑4.9
2/18 04:40	103.5	↑5.0
2/18 04:50	108.5	↑5.0
2/18 05:00	113.6	↑5.1
2/18 05:10	118.6	↑5.0
2/18 05:20	123.6	↑5.0
2/18 05:30	128.6	↑5.0
2/18 05:40	133.5	↑4.9
2/18 05:50	138.2	↑4.7
2/18 06:00	142.8	↑4.6
2/18 06:10	147.2	↑4.4
2/18 06:20	151.5	↑4.3
2/18 06:30	155.5	↑4.0
2/18 06:40	159.3	↑3.8
2/18 06:50	162.8	↑3.5
2/18 07:00	166.0	↑3.2
2/18 07:10	168.8	↑2.8
2/18 07:20	171.4	↑2.6
2/18 07:30	173.5	↑2.1
2/18 07:40	175.3	↑1.8
2/18 07:50	176.7	↑1.4
2/18 08:00	177.7	↑1.0
2/18 08:10	178.3	↑0.6	満潮
2/18 08:20	178.4	↑0.1
2/18 08:30	178.0	↓-0.4
2/18 08:40	177.2	↓-0.8
2/18 08:50	176.0	↓-1.2
2/18 09:00	174.3	↓-1.7
2/18 09:10	172.2	↓-2.1
2/18 09:20	169.6	↓-2.6
2/18 09:30	166.6	↓-3.0
2/18 09:40	163.2	↓-3.4
2/18 09:50	159.4	↓-3.8
2/18 10:00	155.3	↓-4.1
2/18 10:10	150.8	↓-4.5
2/18 10:20	146.1	↓-4.7
2/18 10:30	141.1	↓-5.0
2/18 10:40	135.8	↓-5.3
2/18 10:50	130.4	↓-5.4
2/18 11:00	124.9	↓-5.5
2/18 11:10	119.3	↓-5.6
2/18 11:20	113.6	↓-5.7	最大潮位差
2/18 11:30	108.0	↓-5.6
2/18 11:40	102.4	↓-5.6
2/18 11:50	96.9	↓-5.5
2/18 12:00	91.5	↓-5.4
2/18 12:10	86.3	↓-5.2
2/18 12:20	81.3	↓-5.0
2/18 12:30	76.6	↓-4.7
2/18 12:40	72.2	↓-4.4
2/18 12:50	68.1	↓-4.1
2/18 13:00	64.4	↓-3.7
2/18 13:10	61.0	↓-3.4
2/18 13:20	58.0	↓-3.0
2/18 13:30	55.4	↓-2.6
2/18 13:40	53.3	↓-2.1
2/18 13:50	51.6	↓-1.7
2/18 14:00	50.3	↓-1.3
2/18 14:10	49.4	↓-0.9
2/18 14:20	48.9	↓-0.5	干潮
2/18 14:30	48.9	0
2/18 14:40	49.3	↑0.4
2/18 14:50	50.0	↑0.7
2/18 15:00	51.1	↑1.1
2/18 15:10	52.6	↑1.5
2/18 15:20	54.4	↑1.8
2/18 15:30	56.5	↑2.1
2/18 15:40	58.9	↑2.4
2/18 15:50	61.6	↑2.7
2/18 16:00	64.5	↑2.9
2/18 16:10	67.6	↑3.1
2/18 16:20	71.0	↑3.4
2/18 16:30	74.4	↑3.4
2/18 16:40	78.1	↑3.7
2/18 16:50	81.8	↑3.7
2/18 17:00	85.7	↑3.9
2/18 17:10	89.6	↑3.9
2/18 17:20	93.5	↑3.9
2/18 17:30	97.5	↑4.0
2/18 17:40	101.5	↑4.0
2/18 17:50	105.4	↑3.9
2/18 18:00	109.4	↑4.0
2/18 18:10	113.2	↑3.8
2/18 18:20	117.0	↑3.8
2/18 18:30	120.7	↑3.7
2/18 18:40	124.2	↑3.5
2/18 18:50	127.6	↑3.4
2/18 19:00	130.8	↑3.2
2/18 19:10	133.8	↑3.0
2/18 19:20	136.5	↑2.7
2/18 19:30	139.1	↑2.6
2/18 19:40	141.4	↑2.3
2/18 19:50	143.4	↑2.0
2/18 20:00	145.1	↑1.7
2/18 20:10	146.5	↑1.4
2/18 20:20	147.6	↑1.1
2/18 20:30	148.3	↑0.7
2/18 20:40	148.7	↑0.4	満潮
2/18 20:50	148.8	↑0.1
2/18 21:00	148.4	↓-0.4
2/18 21:10	147.8	↓-0.6
2/18 21:20	146.7	↓-1.1
2/18 21:30	145.3	↓-1.4
2/18 21:40	143.6	↓-1.7
2/18 21:50	141.5	↓-2.1
2/18 22:00	139.1	↓-2.4
2/18 22:10	136.4	↓-2.7
2/18 22:20	133.5	↓-2.9
2/18 22:30	130.3	↓-3.2
2/18 22:40	126.9	↓-3.4
2/18 22:50	123.3	↓-3.6
2/18 23:00	119.5	↓-3.8
2/18 23:10	115.7	↓-3.8
2/18 23:20	111.8	↓-3.9
2/18 23:30	107.8	↓-4.0
2/18 23:40	103.9	↓-3.9
2/18 23:50	99.9	↓-4.0