09 (金)	02:32	08:17	14:00	20:36
	105cm	50cm	106cm	16cm
中潮 出 05:14 入 18:07 出 15:11 入 03:38

那珂湊（茨城）2055年04月09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
4/9 00:00	78.6	↑3.1
4/9 00:10	81.7	↑3.1
4/9 00:20	84.6	↑2.9
4/9 00:30	87.4	↑2.8
4/9 00:40	90.0	↑2.6
4/9 00:50	92.4	↑2.4
4/9 01:00	94.6	↑2.2
4/9 01:10	96.7	↑2.1
4/9 01:20	98.5	↑1.8
4/9 01:30	100.1	↑1.6
4/9 01:40	101.4	↑1.3
4/9 01:50	102.5	↑1.1
4/9 02:00	103.4	↑0.9
4/9 02:10	104.0	↑0.6
4/9 02:20	104.4	↑0.4
4/9 02:30	104.6	↑0.2	満潮
4/9 02:40	104.5	↓-0.1
4/9 02:50	104.1	↓-0.4
4/9 03:00	103.6	↓-0.5
4/9 03:10	102.8	↓-0.8
4/9 03:20	101.8	↓-1.0
4/9 03:30	100.6	↓-1.2
4/9 03:40	99.2	↓-1.4
4/9 03:50	97.6	↓-1.6
4/9 04:00	95.8	↓-1.8
4/9 04:10	93.9	↓-1.9
4/9 04:20	91.9	↓-2.0
4/9 04:30	89.8	↓-2.1
4/9 04:40	87.5	↓-2.3
4/9 04:50	85.2	↓-2.3
4/9 05:00	82.8	↓-2.4
4/9 05:10	80.3	↓-2.5
4/9 05:20	77.9	↓-2.4
4/9 05:30	75.4	↓-2.5
4/9 05:40	72.9	↓-2.5
4/9 05:50	70.5	↓-2.4
4/9 06:00	68.1	↓-2.4
4/9 06:10	65.8	↓-2.3
4/9 06:20	63.6	↓-2.2
4/9 06:30	61.5	↓-2.1
4/9 06:40	59.6	↓-1.9
4/9 06:50	57.7	↓-1.9
4/9 07:00	56.1	↓-1.6
4/9 07:10	54.6	↓-1.5
4/9 07:20	53.3	↓-1.3
4/9 07:30	52.2	↓-1.1
4/9 07:40	51.3	↓-0.9
4/9 07:50	50.6	↓-0.7
4/9 08:00	50.1	↓-0.5
4/9 08:10	49.8	↓-0.3	干潮
4/9 08:20	49.8	0
4/9 08:30	50.0	↑0.2
4/9 08:40	50.4	↑0.4
4/9 08:50	51.1	↑0.7
4/9 09:00	51.9	↑0.8
4/9 09:10	53.0	↑1.1
4/9 09:20	54.3	↑1.3
4/9 09:30	55.7	↑1.4
4/9 09:40	57.4	↑1.7
4/9 09:50	59.2	↑1.8
4/9 10:00	61.2	↑2.0
4/9 10:10	63.3	↑2.1
4/9 10:20	65.5	↑2.2
4/9 10:30	67.8	↑2.3
4/9 10:40	70.2	↑2.4
4/9 10:50	72.7	↑2.5
4/9 11:00	75.2	↑2.5
4/9 11:10	77.7	↑2.5
4/9 11:20	80.2	↑2.5
4/9 11:30	82.8	↑2.6
4/9 11:40	85.2	↑2.4
4/9 11:50	87.6	↑2.4
4/9 12:00	90.0	↑2.4
4/9 12:10	92.2	↑2.2
4/9 12:20	94.3	↑2.1
4/9 12:30	96.3	↑2.0
4/9 12:40	98.1	↑1.8
4/9 12:50	99.7	↑1.6
4/9 13:00	101.2	↑1.5
4/9 13:10	102.5	↑1.3
4/9 13:20	103.5	↑1.0
4/9 13:30	104.3	↑0.8
4/9 13:40	104.9	↑0.6
4/9 13:50	105.3	↑0.4	満潮
4/9 14:00	105.4	↑0.1	満潮
4/9 14:10	105.2	↓-0.2
4/9 14:20	104.8	↓-0.4
4/9 14:30	104.1	↓-0.7
4/9 14:40	103.2	↓-0.9
4/9 14:50	102.0	↓-1.2
4/9 15:00	100.6	↓-1.4
4/9 15:10	98.9	↓-1.7
4/9 15:20	97.0	↓-1.9
4/9 15:30	94.9	↓-2.1
4/9 15:40	92.5	↓-2.4
4/9 15:50	90.0	↓-2.5
4/9 16:00	87.2	↓-2.8
4/9 16:10	84.3	↓-2.9
4/9 16:20	81.2	↓-3.1
4/9 16:30	78.0	↓-3.2
4/9 16:40	74.7	↓-3.3
4/9 16:50	71.3	↓-3.4
4/9 17:00	67.8	↓-3.5
4/9 17:10	64.2	↓-3.6
4/9 17:20	60.6	↓-3.6
4/9 17:30	57.0	↓-3.6
4/9 17:40	53.4	↓-3.6
4/9 17:50	49.9	↓-3.5
4/9 18:00	46.4	↓-3.5
4/9 18:10	42.9	↓-3.5
4/9 18:20	39.6	↓-3.3
4/9 18:30	36.5	↓-3.1
4/9 18:40	33.4	↓-3.1
4/9 18:50	30.6	↓-2.8
4/9 19:00	27.9	↓-2.7
4/9 19:10	25.5	↓-2.4
4/9 19:20	23.3	↓-2.2
4/9 19:30	21.3	↓-2.0
4/9 19:40	19.6	↓-1.7
4/9 19:50	18.1	↓-1.5
4/9 20:00	16.9	↓-1.2
4/9 20:10	16.1	↓-0.8
4/9 20:20	15.5	↓-0.6
4/9 20:30	15.2	↓-0.3	干潮
4/9 20:40	15.2	0
4/9 20:50	15.5	↑0.3
4/9 21:00	16.1	↑0.6
4/9 21:10	17.0	↑0.9
4/9 21:20	18.3	↑1.3
4/9 21:30	19.7	↑1.4
4/9 21:40	21.5	↑1.8
4/9 21:50	23.5	↑2.0
4/9 22:00	25.8	↑2.3
4/9 22:10	28.3	↑2.5
4/9 22:20	31.0	↑2.7
4/9 22:30	34.0	↑3.0
4/9 22:40	37.1	↑3.1
4/9 22:50	40.3	↑3.2
4/9 23:00	43.7	↑3.4
4/9 23:10	47.2	↑3.5
4/9 23:20	50.8	↑3.6
4/9 23:30	54.5	↑3.7	最大潮位差
4/9 23:40	58.2	↑3.7	最大潮位差
4/9 23:50	61.9	↑3.7	最大潮位差