1 (火)	02:54	08:44	14:39	21:04
	106cm	43cm	109cm	19cm
中潮 出 05:25 入 18:01 出 16:02 入 04:05

那珂湊（茨城）2053年04月1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
4/1 00:00	70.3	↑3.5
4/1 00:10	73.7	↑3.4
4/1 00:20	77.0	↑3.3
4/1 00:30	80.2	↑3.2
4/1 00:40	83.3	↑3.1
4/1 00:50	86.2	↑2.9
4/1 01:00	89.0	↑2.8
4/1 01:10	91.6	↑2.6
4/1 01:20	94.0	↑2.4
4/1 01:30	96.2	↑2.2
4/1 01:40	98.1	↑1.9
4/1 01:50	99.9	↑1.8
4/1 02:00	101.4	↑1.5
4/1 02:10	102.6	↑1.2
4/1 02:20	103.6	↑1.0
4/1 02:30	104.4	↑0.8
4/1 02:40	104.8	↑0.4
4/1 02:50	105.0	↑0.2	満潮
4/1 03:00	105.0	0
4/1 03:10	104.7	↓-0.3
4/1 03:20	104.1	↓-0.6
4/1 03:30	103.3	↓-0.8
4/1 03:40	102.3	↓-1.0
4/1 03:50	101.0	↓-1.3
4/1 04:00	99.5	↓-1.5
4/1 04:10	97.8	↓-1.7
4/1 04:20	95.9	↓-1.9
4/1 04:30	93.8	↓-2.1
4/1 04:40	91.6	↓-2.2
4/1 04:50	89.2	↓-2.4
4/1 05:00	86.7	↓-2.5
4/1 05:10	84.1	↓-2.6
4/1 05:20	81.4	↓-2.7
4/1 05:30	78.6	↓-2.8
4/1 05:40	75.8	↓-2.8
4/1 05:50	73.0	↓-2.8
4/1 06:00	70.2	↓-2.8
4/1 06:10	67.5	↓-2.7
4/1 06:20	64.7	↓-2.8
4/1 06:30	62.1	↓-2.6
4/1 06:40	59.5	↓-2.6
4/1 06:50	57.0	↓-2.5
4/1 07:00	54.7	↓-2.3
4/1 07:10	52.5	↓-2.2
4/1 07:20	50.5	↓-2.0
4/1 07:30	48.7	↓-1.8
4/1 07:40	47.1	↓-1.6
4/1 07:50	45.7	↓-1.4
4/1 08:00	44.5	↓-1.2
4/1 08:10	43.5	↓-1.0
4/1 08:20	42.8	↓-0.7
4/1 08:30	42.4	↓-0.4
4/1 08:40	42.1	↓-0.3	干潮
4/1 08:50	42.2	↑0.1
4/1 09:00	42.5	↑0.3
4/1 09:10	43.0	↑0.5
4/1 09:20	43.8	↑0.8
4/1 09:30	44.8	↑1.0
4/1 09:40	46.1	↑1.3
4/1 09:50	47.6	↑1.5
4/1 10:00	49.3	↑1.7
4/1 10:10	51.2	↑1.9
4/1 10:20	53.3	↑2.1
4/1 10:30	55.6	↑2.3
4/1 10:40	58.0	↑2.4
4/1 10:50	60.5	↑2.5
4/1 11:00	63.2	↑2.7
4/1 11:10	65.9	↑2.7
4/1 11:20	68.7	↑2.8
4/1 11:30	71.6	↑2.9
4/1 11:40	74.5	↑2.9
4/1 11:50	77.4	↑2.9
4/1 12:00	80.3	↑2.9
4/1 12:10	83.2	↑2.9
4/1 12:20	86.0	↑2.8
4/1 12:30	88.7	↑2.7
4/1 12:40	91.3	↑2.6
4/1 12:50	93.8	↑2.5
4/1 13:00	96.1	↑2.3
4/1 13:10	98.3	↑2.2
4/1 13:20	100.3	↑2.0
4/1 13:30	102.1	↑1.8
4/1 13:40	103.7	↑1.6
4/1 13:50	105.1	↑1.4
4/1 14:00	106.2	↑1.1
4/1 14:10	107.1	↑0.9
4/1 14:20	107.7	↑0.6
4/1 14:30	108.0	↑0.3	満潮
4/1 14:40	108.1	↑0.1
4/1 14:50	107.9	↓-0.2
4/1 15:00	107.4	↓-0.5
4/1 15:10	106.7	↓-0.7
4/1 15:20	105.7	↓-1.0
4/1 15:30	104.4	↓-1.3
4/1 15:40	102.8	↓-1.6
4/1 15:50	101.0	↓-1.8
4/1 16:00	98.9	↓-2.1
4/1 16:10	96.7	↓-2.2
4/1 16:20	94.1	↓-2.6
4/1 16:30	91.4	↓-2.7
4/1 16:40	88.5	↓-2.9
4/1 16:50	85.4	↓-3.1
4/1 17:00	82.2	↓-3.2
4/1 17:10	78.8	↓-3.4
4/1 17:20	75.4	↓-3.4
4/1 17:30	71.8	↓-3.6
4/1 17:40	68.2	↓-3.6
4/1 17:50	64.5	↓-3.7	最大潮位差
4/1 18:00	60.9	↓-3.6
4/1 18:10	57.2	↓-3.7	最大潮位差
4/1 18:20	53.6	↓-3.6
4/1 18:30	50.0	↓-3.6
4/1 18:40	46.5	↓-3.5
4/1 18:50	43.2	↓-3.3
4/1 19:00	39.9	↓-3.3
4/1 19:10	36.9	↓-3.0
4/1 19:20	34.0	↓-2.9
4/1 19:30	31.3	↓-2.7
4/1 19:40	28.8	↓-2.5
4/1 19:50	26.5	↓-2.3
4/1 20:00	24.5	↓-2.0
4/1 20:10	22.8	↓-1.7
4/1 20:20	21.4	↓-1.4
4/1 20:30	20.2	↓-1.2
4/1 20:40	19.3	↓-0.9
4/1 20:50	18.8	↓-0.5
4/1 21:00	18.5	↓-0.3	干潮
4/1 21:10	18.5	0
4/1 21:20	18.9	↑0.4
4/1 21:30	19.6	↑0.7
4/1 21:40	20.5	↑0.9
4/1 21:50	21.8	↑1.3
4/1 22:00	23.3	↑1.5
4/1 22:10	25.1	↑1.8
4/1 22:20	27.2	↑2.1
4/1 22:30	29.5	↑2.3
4/1 22:40	32.0	↑2.5
4/1 22:50	34.8	↑2.8
4/1 23:00	37.7	↑2.9
4/1 23:10	40.9	↑3.2
4/1 23:20	44.1	↑3.2
4/1 23:30	47.6	↑3.5
4/1 23:40	51.1	↑3.5
4/1 23:50	54.7	↑3.6