1 (月)	04:15	10:07	16:23	22:36
	108cm	27cm	120cm	23cm
大潮 出 05:25 入 18:01 出 05:37 入 18:13 潮干狩り ○ 09:14～10:59

那珂湊（茨城）2041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	36.7	↑3.3
4/1 00:10	40.2	↑3.5
4/1 00:20	43.8	↑3.6
4/1 00:30	47.5	↑3.7
4/1 00:40	51.3	↑3.8
4/1 00:50	55.1	↑3.8
4/1 01:00	59.0	↑3.9
4/1 01:10	62.9	↑3.9
4/1 01:20	66.8	↑3.9
4/1 01:30	70.7	↑3.9
4/1 01:40	74.5	↑3.8
4/1 01:50	78.2	↑3.7
4/1 02:00	81.7	↑3.5
4/1 02:10	85.2	↑3.5
4/1 02:20	88.4	↑3.2
4/1 02:30	91.5	↑3.1
4/1 02:40	94.4	↑2.9
4/1 02:50	97.0	↑2.6
4/1 03:00	99.4	↑2.4
4/1 03:10	101.5	↑2.1
4/1 03:20	103.3	↑1.8
4/1 03:30	104.9	↑1.6
4/1 03:40	106.1	↑1.2
4/1 03:50	107.0	↑0.9
4/1 04:00	107.6	↑0.6
4/1 04:10	107.9	↑0.3	満潮
4/1 04:20	107.9	0
4/1 04:30	107.5	↓-0.4
4/1 04:40	106.8	↓-0.7
4/1 04:50	105.8	↓-1.0
4/1 05:00	104.5	↓-1.3
4/1 05:10	102.9	↓-1.6
4/1 05:20	101.0	↓-1.9
4/1 05:30	98.9	↓-2.1
4/1 05:40	96.4	↓-2.5
4/1 05:50	93.8	↓-2.6
4/1 06:00	90.9	↓-2.9
4/1 06:10	87.9	↓-3.0
4/1 06:20	84.7	↓-3.2
4/1 06:30	81.3	↓-3.4
4/1 06:40	77.8	↓-3.5
4/1 06:50	74.3	↓-3.5
4/1 07:00	70.7	↓-3.6
4/1 07:10	67.0	↓-3.7
4/1 07:20	63.4	↓-3.6
4/1 07:30	59.8	↓-3.6
4/1 07:40	56.2	↓-3.6
4/1 07:50	52.8	↓-3.4
4/1 08:00	49.4	↓-3.4
4/1 08:10	46.2	↓-3.2
4/1 08:20	43.2	↓-3.0
4/1 08:30	40.3	↓-2.9
4/1 08:40	37.7	↓-2.6
4/1 08:50	35.3	↓-2.4
4/1 09:00	33.2	↓-2.1
4/1 09:10	31.3	↓-1.9
4/1 09:20	29.7	↓-1.6
4/1 09:30	28.4	↓-1.3
4/1 09:40	27.4	↓-1.0
4/1 09:50	26.8	↓-0.6
4/1 10:00	26.4	↓-0.4	干潮
4/1 10:10	26.4	0
4/1 10:20	26.7	↑0.3
4/1 10:30	27.3	↑0.6
4/1 10:40	28.2	↑0.9
4/1 10:50	29.5	↑1.3
4/1 11:00	31.0	↑1.5
4/1 11:10	32.8	↑1.8
4/1 11:20	34.9	↑2.1
4/1 11:30	37.3	↑2.4
4/1 11:40	39.9	↑2.6
4/1 11:50	42.8	↑2.9
4/1 12:00	45.8	↑3.0
4/1 12:10	49.1	↑3.3
4/1 12:20	52.5	↑3.4
4/1 12:30	56.0	↑3.5
4/1 12:40	59.7	↑3.7
4/1 12:50	63.4	↑3.7
4/1 13:00	67.3	↑3.9
4/1 13:10	71.1	↑3.8
4/1 13:20	75.0	↑3.9
4/1 13:30	78.9	↑3.9
4/1 13:40	82.7	↑3.8
4/1 13:50	86.5	↑3.8
4/1 14:00	90.1	↑3.6
4/1 14:10	93.7	↑3.6
4/1 14:20	97.1	↑3.4
4/1 14:30	100.4	↑3.3
4/1 14:40	103.5	↑3.1
4/1 14:50	106.3	↑2.8
4/1 15:00	109.0	↑2.7
4/1 15:10	111.3	↑2.3
4/1 15:20	113.5	↑2.2
4/1 15:30	115.3	↑1.8
4/1 15:40	116.8	↑1.5
4/1 15:50	118.1	↑1.3
4/1 16:00	119.0	↑0.9
4/1 16:10	119.5	↑0.5
4/1 16:20	119.8	↑0.3	満潮
4/1 16:30	119.7	↓-0.1
4/1 16:40	119.2	↓-0.5
4/1 16:50	118.5	↓-0.7
4/1 17:00	117.4	↓-1.1
4/1 17:10	115.9	↓-1.5
4/1 17:20	114.2	↓-1.7
4/1 17:30	112.1	↓-2.1
4/1 17:40	109.8	↓-2.3
4/1 17:50	107.1	↓-2.7
4/1 18:00	104.2	↓-2.9
4/1 18:10	101.1	↓-3.1
4/1 18:20	97.7	↓-3.4
4/1 18:30	94.2	↓-3.5
4/1 18:40	90.5	↓-3.7
4/1 18:50	86.6	↓-3.9
4/1 19:00	82.7	↓-3.9
4/1 19:10	78.6	↓-4.1	最大潮位差
4/1 19:20	74.5	↓-4.1	最大潮位差
4/1 19:30	70.4	↓-4.1	最大潮位差
4/1 19:40	66.3	↓-4.1	最大潮位差
4/1 19:50	62.2	↓-4.1	最大潮位差
4/1 20:00	58.2	↓-4.0
4/1 20:10	54.3	↓-3.9
4/1 20:20	50.6	↓-3.7
4/1 20:30	46.9	↓-3.7
4/1 20:40	43.5	↓-3.4
4/1 20:50	40.2	↓-3.3
4/1 21:00	37.2	↓-3.0
4/1 21:10	34.4	↓-2.8
4/1 21:20	31.9	↓-2.5
4/1 21:30	29.7	↓-2.2
4/1 21:40	27.8	↓-1.9
4/1 21:50	26.1	↓-1.7
4/1 22:00	24.8	↓-1.3
4/1 22:10	23.8	↓-1.0
4/1 22:20	23.2	↓-0.6
4/1 22:30	22.9	↓-0.3	干潮
4/1 22:40	22.9	0
4/1 22:50	23.2	↑0.3
4/1 23:00	23.9	↑0.7
4/1 23:10	24.8	↑0.9
4/1 23:20	26.1	↑1.3
4/1 23:30	27.7	↑1.6
4/1 23:40	29.5	↑1.8
4/1 23:50	31.7	↑2.2