19 (火)	01:25	02:17	09:21	18:01
	88cm	88cm	109cm	16cm
長潮 出 06:22 入 17:23 出 02:18 入 11:49 潮干狩り ◎ 15:46～17:23

那珂湊（茨城）2047年02月19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
2/19 00:00	86.0	↑0.4
2/19 00:10	86.4	↑0.4
2/19 00:20	86.6	↑0.2
2/19 00:30	86.9	↑0.3
2/19 00:40	87.0	↑0.1
2/19 00:50	87.2	↑0.2
2/19 01:00	87.2	0
2/19 01:10	87.3	↑0.1
2/19 01:20	87.3	0	満潮
2/19 01:30	87.3	0
2/19 01:40	87.3	0
2/19 01:50	87.3	0
2/19 02:00	87.2	↓-0.1
2/19 02:10	87.2	0	干潮
2/19 02:20	87.2	0
2/19 02:30	87.2	0
2/19 02:40	87.3	↑0.1
2/19 02:50	87.3	0
2/19 03:00	87.4	↑0.1
2/19 03:10	87.5	↑0.1
2/19 03:20	87.7	↑0.2
2/19 03:30	87.9	↑0.2
2/19 03:40	88.1	↑0.2
2/19 03:50	88.3	↑0.2
2/19 04:00	88.6	↑0.3
2/19 04:10	88.9	↑0.3
2/19 04:20	89.3	↑0.4
2/19 04:30	89.7	↑0.4
2/19 04:40	90.2	↑0.5
2/19 04:50	90.7	↑0.5
2/19 05:00	91.2	↑0.5
2/19 05:10	91.8	↑0.6
2/19 05:20	92.4	↑0.6
2/19 05:30	93.0	↑0.6
2/19 05:40	93.7	↑0.7
2/19 05:50	94.4	↑0.7
2/19 06:00	95.2	↑0.8
2/19 06:10	96.0	↑0.8
2/19 06:20	96.8	↑0.8
2/19 06:30	97.6	↑0.8
2/19 06:40	98.4	↑0.8
2/19 06:50	99.3	↑0.9
2/19 07:00	100.1	↑0.8
2/19 07:10	101.0	↑0.9
2/19 07:20	101.8	↑0.8
2/19 07:30	102.6	↑0.8
2/19 07:40	103.4	↑0.8
2/19 07:50	104.2	↑0.8
2/19 08:00	104.9	↑0.7
2/19 08:10	105.6	↑0.7
2/19 08:20	106.2	↑0.6
2/19 08:30	106.8	↑0.6
2/19 08:40	107.2	↑0.4
2/19 08:50	107.6	↑0.4
2/19 09:00	107.9	↑0.3
2/19 09:10	108.1	↑0.2
2/19 09:20	108.2	↑0.1	満潮
2/19 09:30	108.1	↓-0.1
2/19 09:40	107.9	↓-0.2
2/19 09:50	107.6	↓-0.3
2/19 10:00	107.1	↓-0.5
2/19 10:10	106.5	↓-0.6
2/19 10:20	105.7	↓-0.8
2/19 10:30	104.8	↓-0.9
2/19 10:40	103.8	↓-1.0
2/19 10:50	102.5	↓-1.3
2/19 11:00	101.2	↓-1.3
2/19 11:10	99.6	↓-1.6
2/19 11:20	98.0	↓-1.6
2/19 11:30	96.2	↓-1.8
2/19 11:40	94.2	↓-2.0
2/19 11:50	92.1	↓-2.1
2/19 12:00	89.9	↓-2.2
2/19 12:10	87.6	↓-2.3
2/19 12:20	85.2	↓-2.4
2/19 12:30	82.7	↓-2.5
2/19 12:40	80.1	↓-2.6
2/19 12:50	77.4	↓-2.7
2/19 13:00	74.7	↓-2.7
2/19 13:10	71.9	↓-2.8
2/19 13:20	69.1	↓-2.8
2/19 13:30	66.3	↓-2.8
2/19 13:40	63.4	↓-2.9	最大潮位差
2/19 13:50	60.5	↓-2.9	最大潮位差
2/19 14:00	57.7	↓-2.8
2/19 14:10	54.8	↓-2.9	最大潮位差
2/19 14:20	52.0	↓-2.8
2/19 14:30	49.3	↓-2.7
2/19 14:40	46.5	↓-2.8
2/19 14:50	43.9	↓-2.6
2/19 15:00	41.3	↓-2.6
2/19 15:10	38.8	↓-2.5
2/19 15:20	36.4	↓-2.4
2/19 15:30	34.1	↓-2.3
2/19 15:40	31.8	↓-2.3
2/19 15:50	29.7	↓-2.1
2/19 16:00	27.8	↓-1.9
2/19 16:10	25.9	↓-1.9
2/19 16:20	24.2	↓-1.7
2/19 16:30	22.6	↓-1.6
2/19 16:40	21.2	↓-1.4
2/19 16:50	19.9	↓-1.3
2/19 17:00	18.8	↓-1.1
2/19 17:10	17.8	↓-1.0
2/19 17:20	17.0	↓-0.8
2/19 17:30	16.4	↓-0.6
2/19 17:40	16.0	↓-0.4
2/19 17:50	15.7	↓-0.3
2/19 18:00	15.6	↓-0.1	干潮
2/19 18:10	15.7	↑0.1
2/19 18:20	16.0	↑0.3
2/19 18:30	16.5	↑0.5
2/19 18:40	17.1	↑0.6
2/19 18:50	17.9	↑0.8
2/19 19:00	18.9	↑1.0
2/19 19:10	20.1	↑1.2
2/19 19:20	21.4	↑1.3
2/19 19:30	22.9	↑1.5
2/19 19:40	24.5	↑1.6
2/19 19:50	26.3	↑1.8
2/19 20:00	28.2	↑1.9
2/19 20:10	30.2	↑2.0
2/19 20:20	32.3	↑2.1
2/19 20:30	34.6	↑2.3
2/19 20:40	36.9	↑2.3
2/19 20:50	39.3	↑2.4
2/19 21:00	41.8	↑2.5
2/19 21:10	44.3	↑2.5
2/19 21:20	46.8	↑2.5
2/19 21:30	49.4	↑2.6
2/19 21:40	52.0	↑2.6
2/19 21:50	54.6	↑2.6
2/19 22:00	57.1	↑2.5
2/19 22:10	59.7	↑2.6
2/19 22:20	62.2	↑2.5
2/19 22:30	64.6	↑2.4
2/19 22:40	67.0	↑2.4
2/19 22:50	69.3	↑2.3
2/19 23:00	71.5	↑2.2
2/19 23:10	73.6	↑2.1
2/19 23:20	75.7	↑2.1
2/19 23:30	77.6	↑1.9
2/19 23:40	79.5	↑1.9
2/19 23:50	81.2	↑1.7