1 (木)	05:47	12:16	19:01	-
	105cm	18cm	100cm	-
中潮 出 05:25 入 18:00 出 07:46 入 21:35 潮干狩り ○ 10:37～13:58

那珂湊（茨城）2055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	46.2	↑0.2
4/1 00:10	46.5	↑0.3
4/1 00:20	47.1	↑0.6
4/1 00:30	47.9	↑0.8
4/1 00:40	48.9	↑1.0
4/1 00:50	50.2	↑1.3
4/1 01:00	51.6	↑1.4
4/1 01:10	53.2	↑1.6
4/1 01:20	55.0	↑1.8
4/1 01:30	56.9	↑1.9
4/1 01:40	59.0	↑2.1
4/1 01:50	61.2	↑2.2
4/1 02:00	63.5	↑2.3
4/1 02:10	65.8	↑2.3
4/1 02:20	68.3	↑2.5
4/1 02:30	70.8	↑2.5
4/1 02:40	73.3	↑2.5
4/1 02:50	75.8	↑2.5
4/1 03:00	78.4	↑2.6
4/1 03:10	80.9	↑2.5
4/1 03:20	83.4	↑2.5
4/1 03:30	85.8	↑2.4
4/1 03:40	88.1	↑2.3
4/1 03:50	90.3	↑2.2
4/1 04:00	92.5	↑2.2
4/1 04:10	94.5	↑2.0
4/1 04:20	96.4	↑1.9
4/1 04:30	98.1	↑1.7
4/1 04:40	99.6	↑1.5
4/1 04:50	101.0	↑1.4
4/1 05:00	102.1	↑1.1
4/1 05:10	103.1	↑1.0
4/1 05:20	103.8	↑0.7
4/1 05:30	104.3	↑0.5
4/1 05:40	104.6	↑0.3	満潮
4/1 05:50	104.6	0
4/1 06:00	104.4	↓-0.2
4/1 06:10	103.9	↓-0.5
4/1 06:20	103.2	↓-0.7
4/1 06:30	102.2	↓-1.0
4/1 06:40	101.0	↓-1.2
4/1 06:50	99.5	↓-1.5
4/1 07:00	97.7	↓-1.8
4/1 07:10	95.8	↓-1.9
4/1 07:20	93.6	↓-2.2
4/1 07:30	91.1	↓-2.5
4/1 07:40	88.5	↓-2.6
4/1 07:50	85.7	↓-2.8
4/1 08:00	82.7	↓-3.0
4/1 08:10	79.6	↓-3.1
4/1 08:20	76.3	↓-3.3
4/1 08:30	72.9	↓-3.4
4/1 08:40	69.4	↓-3.5
4/1 08:50	65.9	↓-3.5
4/1 09:00	62.3	↓-3.6	最大潮位差
4/1 09:10	58.7	↓-3.6	最大潮位差
4/1 09:20	55.1	↓-3.6	最大潮位差
4/1 09:30	51.5	↓-3.6	最大潮位差
4/1 09:40	48.1	↓-3.4
4/1 09:50	44.7	↓-3.4
4/1 10:00	41.4	↓-3.3
4/1 10:10	38.2	↓-3.2
4/1 10:20	35.2	↓-3.0
4/1 10:30	32.4	↓-2.8
4/1 10:40	29.8	↓-2.6
4/1 10:50	27.4	↓-2.4
4/1 11:00	25.2	↓-2.2
4/1 11:10	23.3	↓-1.9
4/1 11:20	21.6	↓-1.7
4/1 11:30	20.2	↓-1.4
4/1 11:40	19.1	↓-1.1
4/1 11:50	18.3	↓-0.8
4/1 12:00	17.7	↓-0.6
4/1 12:10	17.4	↓-0.3	干潮
4/1 12:20	17.4	0
4/1 12:30	17.7	↑0.3
4/1 12:40	18.3	↑0.6
4/1 12:50	19.1	↑0.8
4/1 13:00	20.2	↑1.1
4/1 13:10	21.5	↑1.3
4/1 13:20	23.1	↑1.6
4/1 13:30	24.9	↑1.8
4/1 13:40	26.8	↑1.9
4/1 13:50	29.0	↑2.2
4/1 14:00	31.4	↑2.4
4/1 14:10	33.9	↑2.5
4/1 14:20	36.5	↑2.6
4/1 14:30	39.3	↑2.8
4/1 14:40	42.2	↑2.9
4/1 14:50	45.2	↑3.0
4/1 15:00	48.3	↑3.1
4/1 15:10	51.4	↑3.1
4/1 15:20	54.5	↑3.1
4/1 15:30	57.7	↑3.2
4/1 15:40	60.8	↑3.1
4/1 15:50	63.9	↑3.1
4/1 16:00	67.0	↑3.1
4/1 16:10	70.1	↑3.1
4/1 16:20	73.1	↑3.0
4/1 16:30	76.0	↑2.9
4/1 16:40	78.8	↑2.8
4/1 16:50	81.4	↑2.6
4/1 17:00	84.0	↑2.6
4/1 17:10	86.4	↑2.4
4/1 17:20	88.6	↑2.2
4/1 17:30	90.7	↑2.1
4/1 17:40	92.5	↑1.8
4/1 17:50	94.2	↑1.7
4/1 18:00	95.7	↑1.5
4/1 18:10	96.9	↑1.2
4/1 18:20	98.0	↑1.1
4/1 18:30	98.8	↑0.8
4/1 18:40	99.4	↑0.6
4/1 18:50	99.7	↑0.3
4/1 19:00	99.8	↑0.1	満潮
4/1 19:10	99.7	↓-0.1
4/1 19:20	99.4	↓-0.3
4/1 19:30	98.8	↓-0.6
4/1 19:40	98.0	↓-0.8
4/1 19:50	97.0	↓-1.0
4/1 20:00	95.8	↓-1.2
4/1 20:10	94.4	↓-1.4
4/1 20:20	92.9	↓-1.5
4/1 20:30	91.2	↓-1.7
4/1 20:40	89.3	↓-1.9
4/1 20:50	87.4	↓-1.9
4/1 21:00	85.3	↓-2.1
4/1 21:10	83.2	↓-2.1
4/1 21:20	81.0	↓-2.2
4/1 21:30	78.7	↓-2.3
4/1 21:40	76.5	↓-2.2
4/1 21:50	74.2	↓-2.3
4/1 22:00	72.0	↓-2.2
4/1 22:10	69.8	↓-2.2
4/1 22:20	67.8	↓-2.0
4/1 22:30	65.8	↓-2.0
4/1 22:40	63.9	↓-1.9
4/1 22:50	62.2	↓-1.7
4/1 23:00	60.6	↓-1.6
4/1 23:10	59.1	↓-1.5
4/1 23:20	57.9	↓-1.2
4/1 23:30	56.8	↓-1.1
4/1 23:40	55.9	↓-0.9
4/1 23:50	55.2	↓-0.7