1 (火)	05:23	11:47	18:30	23:53
	106cm	16cm	105cm	53cm
中潮 出 05:25 入 18:00 出 21:02 入 06:58 潮干狩り ◎ 10:03～13:34

那珂湊（茨城）2059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	43.4	↑0.7
4/1 00:10	44.4	↑1.0
4/1 00:20	45.5	↑1.1
4/1 00:30	46.9	↑1.4
4/1 00:40	48.6	↑1.7
4/1 00:50	50.4	↑1.8
4/1 01:00	52.3	↑1.9
4/1 01:10	54.5	↑2.2
4/1 01:20	56.8	↑2.3
4/1 01:30	59.2	↑2.4
4/1 01:40	61.7	↑2.5
4/1 01:50	64.3	↑2.6
4/1 02:00	67.0	↑2.7
4/1 02:10	69.7	↑2.7
4/1 02:20	72.5	↑2.8
4/1 02:30	75.3	↑2.8
4/1 02:40	78.0	↑2.7
4/1 02:50	80.7	↑2.7
4/1 03:00	83.4	↑2.7
4/1 03:10	86.0	↑2.6
4/1 03:20	88.5	↑2.5
4/1 03:30	90.9	↑2.4
4/1 03:40	93.2	↑2.3
4/1 03:50	95.3	↑2.1
4/1 04:00	97.3	↑2.0
4/1 04:10	99.1	↑1.8
4/1 04:20	100.7	↑1.6
4/1 04:30	102.1	↑1.4
4/1 04:40	103.2	↑1.1
4/1 04:50	104.2	↑1.0
4/1 05:00	104.9	↑0.7
4/1 05:10	105.3	↑0.4
4/1 05:20	105.5	↑0.2	満潮
4/1 05:30	105.4	↓-0.1
4/1 05:40	105.1	↓-0.3
4/1 05:50	104.5	↓-0.6
4/1 06:00	103.6	↓-0.9
4/1 06:10	102.4	↓-1.2
4/1 06:20	101.0	↓-1.4
4/1 06:30	99.2	↓-1.8
4/1 06:40	97.3	↓-1.9
4/1 06:50	95.1	↓-2.2
4/1 07:00	92.6	↓-2.5
4/1 07:10	90.0	↓-2.6
4/1 07:20	87.1	↓-2.9
4/1 07:30	84.0	↓-3.1
4/1 07:40	80.8	↓-3.2
4/1 07:50	77.4	↓-3.4
4/1 08:00	73.9	↓-3.5
4/1 08:10	70.3	↓-3.6
4/1 08:20	66.6	↓-3.7
4/1 08:30	62.9	↓-3.7
4/1 08:40	59.1	↓-3.8	最大潮位差
4/1 08:50	55.4	↓-3.7
4/1 09:00	51.7	↓-3.7
4/1 09:10	48.0	↓-3.7
4/1 09:20	44.4	↓-3.6
4/1 09:30	40.9	↓-3.5
4/1 09:40	37.6	↓-3.3
4/1 09:50	34.4	↓-3.2
4/1 10:00	31.4	↓-3.0
4/1 10:10	28.6	↓-2.8
4/1 10:20	26.1	↓-2.5
4/1 10:30	23.7	↓-2.4
4/1 10:40	21.7	↓-2.0
4/1 10:50	19.9	↓-1.8
4/1 11:00	18.3	↓-1.6
4/1 11:10	17.1	↓-1.2
4/1 11:20	16.2	↓-0.9
4/1 11:30	15.5	↓-0.7
4/1 11:40	15.2	↓-0.3	干潮
4/1 11:50	15.1	↓-0.1
4/1 12:00	15.4	↑0.3
4/1 12:10	16.0	↑0.6
4/1 12:20	16.8	↑0.8
4/1 12:30	17.9	↑1.1
4/1 12:40	19.3	↑1.4
4/1 12:50	21.0	↑1.7
4/1 13:00	22.9	↑1.9
4/1 13:10	25.0	↑2.1
4/1 13:20	27.3	↑2.3
4/1 13:30	29.9	↑2.6
4/1 13:40	32.6	↑2.7
4/1 13:50	35.5	↑2.9
4/1 14:00	38.5	↑3.0
4/1 14:10	41.6	↑3.1
4/1 14:20	44.8	↑3.2
4/1 14:30	48.2	↑3.4
4/1 14:40	51.5	↑3.3
4/1 14:50	54.9	↑3.4
4/1 15:00	58.4	↑3.5
4/1 15:10	61.8	↑3.4
4/1 15:20	65.3	↑3.5
4/1 15:30	68.6	↑3.3
4/1 15:40	72.0	↑3.4
4/1 15:50	75.2	↑3.2
4/1 16:00	78.4	↑3.2
4/1 16:10	81.4	↑3.0
4/1 16:20	84.3	↑2.9
4/1 16:30	87.1	↑2.8
4/1 16:40	89.7	↑2.6
4/1 16:50	92.1	↑2.4
4/1 17:00	94.3	↑2.2
4/1 17:10	96.3	↑2.0
4/1 17:20	98.1	↑1.8
4/1 17:30	99.7	↑1.6
4/1 17:40	101.1	↑1.4
4/1 17:50	102.2	↑1.1
4/1 18:00	103.0	↑0.8
4/1 18:10	103.6	↑0.6
4/1 18:20	104.0	↑0.4	満潮
4/1 18:30	104.1	↑0.1	満潮
4/1 18:40	103.9	↓-0.2
4/1 18:50	103.5	↓-0.4
4/1 19:00	102.8	↓-0.7
4/1 19:10	101.9	↓-0.9
4/1 19:20	100.8	↓-1.1
4/1 19:30	99.5	↓-1.3
4/1 19:40	97.9	↓-1.6
4/1 19:50	96.2	↓-1.7
4/1 20:00	94.3	↓-1.9
4/1 20:10	92.2	↓-2.1
4/1 20:20	90.1	↓-2.1
4/1 20:30	87.8	↓-2.3
4/1 20:40	85.4	↓-2.4
4/1 20:50	82.9	↓-2.5
4/1 21:00	80.4	↓-2.5
4/1 21:10	77.9	↓-2.5
4/1 21:20	75.4	↓-2.5
4/1 21:30	72.9	↓-2.5
4/1 21:40	70.5	↓-2.4
4/1 21:50	68.1	↓-2.4
4/1 22:00	65.9	↓-2.2
4/1 22:10	63.8	↓-2.1
4/1 22:20	61.8	↓-2.0
4/1 22:30	59.9	↓-1.9
4/1 22:40	58.3	↓-1.6
4/1 22:50	56.8	↓-1.5
4/1 23:00	55.5	↓-1.3
4/1 23:10	54.4	↓-1.1
4/1 23:20	53.6	↓-0.8
4/1 23:30	53.0	↓-0.6
4/1 23:40	52.6	↓-0.4
4/1 23:50	52.4	↓-0.2	干潮